10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2011

OR

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number 001-33462

INSULET CORPORATION

(Exact name of Registrant as specified in its charter)

Delaware	04-3523891
(State or Other Jurisdiction of Incorporation or	(I.R.S. Employer Identification No.)
Organization)
9 Oak Park Drive
Bedford, Massachusetts	01730
(Address of Principal Executive Offices)	(Zip Code)

Registrant’s Telephone Number, Including Area Code: (781) 457-5000

     Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes þ No o

     Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes þ No o

     Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer o	Accelerated filer þ	Non-accelerated filer o	Smaller reporting company o
		(Do not check if a smaller reporting company)

     Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No þ

     As of November 3, 2011, the registrant had 47,393,824 shares of common stock outstanding.

INSULET CORPORATION
TABLE OF CONTENTS

	Page
PART I. FINANCIAL INFORMATION
Item 1. Consolidated Financial Statements (unaudited)		3
Consolidated Balance Sheets as of September 30, 2011 and December 31, 2010		3
Consolidated Statements of Operations for the three and nine months ended September 30, 2011 and 2010		4
Consolidated Statements of Cash Flows for the nine months ended September 30, 2011 and 2010		5
Notes to Consolidated Financial Statements		6
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations		16
Item 3. Quantitative and Qualitative Disclosures About Market Risk		25
Item 4. Controls and Procedures		25
PART II. OTHER INFORMATION
Item 1. Legal Proceedings		25
Item 1A. Risk Factors		25
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds		26
Item 3. Defaults Upon Senior Securities		26
Item 4. (Removed and Reserved)		26
Item 5. Other Information		26
Item 6. Exhibits		26
Signatures		27
EX-31.1
EX-31.2
EX-32.1
EX-101 INSTANCE DOCUMENT
EX-101 SCHEMA DOCUMENT
EX-101 CALCULATION LINKBASE DOCUMENT
EX-101 LABELS LINKBASE DOCUMENT
EX-101 PRESENTATION LINKBASE DOCUMENT

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PART I — FINANCIAL INFORMATION

Item 1. Consolidated Financial Statements

INSULET CORPORATION

CONSOLIDATED BALANCE SHEETS

	As of			As of
	September 30,			December 31,
	2011			2010
	(Unaudited)
	(In thousands, except share data)
ASSETS
Current Assets
Cash and cash equivalents	$	103,812		$	113,274
Accounts receivable, net		17,269			16,841
Inventories		13,123			11,430
Prepaid expenses and other current assets		3,653			912
Total current assets		137,857			142,457
Property and equipment, net		18,295			12,522
Intangible assets, net		30,673			—
Goodwill		26,164			—
Other assets		2,791			1,254
Total assets	$	215,780		$	156,233
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current Liabilities
Accounts payable	$	8,604		$	4,895
Accrued expenses		12,762			9,808
Deferred revenue		2,193			4,247
Other current liabilities		1,202			—
Total current liabilities		24,761			18,950
Long-term debt		106,319			69,433
Other long-term liabilities		1,260			1,619
Total liabilities		132,340			90,002
Stockholders’ Equity
Preferred stock, $.001 par value:
Authorized: 5,000,000 shares at September 30, 2011 and December 31, 2010. Issued and outstanding: zero shares at September 30, 2011 and December 31, 2010, respectively		—			—
Common stock, $.001 par value:
Authorized: 100,000,000 shares at September 30, 2011 and December 31, 2010. Issued and outstanding: 47,386,448 and 45,440,839 shares at September 30, 2011 and December 31, 2010, respectively		47			45
Additional paid-in capital		510,077			450,039
Accumulated deficit		(426,684	)		(383,853	)
Total stockholders’ equity		83,440			66,231
Total liabilities and stockholders’ equity	$	215,780		$	156,233

The accompanying notes are an integral part of these consolidated financial statements.

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INSULET CORPORATION

CONSOLIDATED STATEMENTS OF OPERATIONS

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
				(Unaudited)
	(In thousands, except share and per share data)
Revenue	$	44,594		$	25,455		$	105,063		$	69,199
Cost of revenue		26,033			13,826			58,431			39,299
Gross profit		18,561			11,629			46,632			29,900
Operating expenses:
Research and development		4,638			3,698			16,059			12,128
General and administrative		11,379			7,230			31,585			20,379
Sales and marketing		12,312			8,979			30,943			26,301
Total operating expenses		28,329			19,907			78,587			58,808
Operating loss		(9,768	)		(8,278	)		(31,955	)		(28,908	)
Interest income		31			49			107			109
Interest expense		(3,825	)		(3,871	)		(10,983	)		(11,502	)
Other expense, net		(3,794	)		(3,822	)		(10,876	)		(11,393	)
Net loss	$	(13,562	)	$	(12,100	)	$	(42,831	)	$	(40,301	)
Net loss per share basic and diluted	$	(0.29	)	$	(0.30	)	$	(0.92	)	$	(1.04	)
Weighted average number of shares used in calculating basic and diluted net loss per share		47,321,989			40,155,277			46,442,236			38,784,692

The accompanying notes are an integral part of these consolidated financial statements.

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INSULET CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

	Nine Months Ended
	September 30,
	2011			2010
	(Unaudited)
	(In thousands)
Cash flows from operating activities
Net loss	$	(42,831	)	$	(40,301	)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization		5,683			3,946
Amortization of debt discount		4,991			5,511
Stock-based compensation expense		5,606			3,957
Provision for bad debts		1,700			2,519
Non cash interest expense		2,381			654
Impairment of assets		—			1,021
Changes in operating assets and liabilities:
Accounts receivable		3,802			(2,999	)
Inventories		594			(2,823	)
Deferred revenue		(2,054	)		(144	)
Prepaid expenses and other current assets		851			235
Accounts payable, accrued expenses, and other liabilities		1,852			773
Other long term liabilities		(359	)		(271	)
Net cash used in operating activities		(17,784	)		(27,922	)
Cash flows from investing activities
Purchases of property and equipment		(8,838	)		(3,632	)
Acquisition of Neighborhood Diabetes		(37,855	)		—
Net cash used in investing activities		(46,693	)		(3,632	)
Cash flows from financing activities
Proceeds from issuance of long-term debt, net of issuance costs		138,863			—
Payments to retire long-term debt		(88,195	)		—
Payment of transaction fees related to credit facility amendment		—			(468	)
Proceeds from issuance of common stock, net of offering expenses		4,347			7,944
Net cash provided by financing activities		55,015			7,476
Net decrease in cash and cash equivalents		(9,462	)		(24,078	)
Cash and cash equivalents, beginning of period		113,274			127,996
Cash and cash equivalents, end of period	$	103,812		$	103,918
Supplemental disclosure of cash flow information
Cash paid for interest	$	2,284		$	4,358
Non-cash investing and financing activities
Issuance of common stock for the acquisition of Neighborhood Diabetes	$	24,432		$	—

The accompanying notes are an integral part of these consolidated financial statements.

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INSULET CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)

1. Nature of the Business

     Insulet Corporation (the “Company”) has been principally engaged in the development, manufacture and marketing of an insulin infusion system for people with insulin-dependent diabetes. The Company was incorporated in Delaware in 2000 and has its corporate headquarters in Bedford, Massachusetts. Since inception, the Company has devoted substantially all of its efforts to designing, developing, manufacturing and marketing the OmniPod Insulin Management System (“OmniPod”), which consists of the OmniPod disposable insulin infusion device and the handheld, wireless Personal Diabetes Manager (“PDM”). The Company commercially launched the OmniPod Insulin Management System in August 2005 after receiving FDA 510(k) approval in January 2005. The first commercial product was shipped in October 2005.

     In January 2010, the Company entered into a five year distribution agreement with Ypsomed Distribution AG (“Ypsomed”) to become the exclusive distributor of the OmniPod System in eleven countries. Through the Company’s partnership with Ypsomed, the OmniPod System is now available in seven markets, namely Germany, the United Kingdom, France, the Netherlands, Sweden, Norway, and Switzerland. The Company expects that Ypsomed will begin distribution of the OmniPod System, subject to approved reimbursement, in the other markets under the agreement in 2012. In February 2011, the Company entered into a distribution agreement with GlaxoSmithKline Inc., (“GSK”), to become the exclusive distributor of the OmniPod System in Canada. The Company shipped OmniPods to GSK during the second quarter of 2011, and GSK began distributing the OmniPod System during the third quarter of 2011.

     On June 1, 2011, the Company completed the acquisition of Neighborhood Holdings, Inc. and its wholly-owned subsidiaries (collectively “Neighborhood Diabetes”), a leading durable medical equipment distributor, specializing in direct to consumer sales of diabetes supplies. Neighborhood Diabetes is based in Woburn, Massachusetts with additional facilities in Brooklyn, New York and Orlando, Florida. Neighborhood Diabetes serves more than 60,000 customers with Type 1 and Type 2 diabetes primarily in the northeast and southeast regions of the United States. Neighborhood Diabetes supplies these customers with blood glucose testing supplies, insulin pumps, pump supplies, pharmaceuticals, as well as other products for the treatment and management of diabetes. See Footnote 3 for further description of the acquisition.

2. Summary of Significant Accounting Policies

Basis of Presentation

     The unaudited consolidated financial statements in this Quarterly Report on Form 10-Q have been prepared in accordance with generally accepted accounting principles (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, these unaudited consolidated financial statements do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments, consisting of normal recurring adjustments, considered necessary for a fair presentation have been included. Operating results for the three and nine month periods ended September 30, 2011, are not necessarily indicative of the results that may be expected for the full year ending December 31, 2011, or for any other subsequent interim period.

     The unaudited consolidated financial statements in this Quarterly Report on Form 10-Q should be read in conjunction with the Company’s consolidated financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010.

Use of Estimates in Preparation of Financial Statements

     The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expense during the reporting periods. The most significant estimates used in these financial statements include the valuation of inventories, accounts receivable and equity instruments, the lives of property and equipment and intangible assets, as well as warranty reserves and allowance for doubtful accounts calculations. Actual results may differ from those estimates.

Principles of Consolidation

     The unaudited consolidated financial statements in this Quarterly Report on Form 10-Q include the accounts of the Company and its wholly-owned subsidiaries. All material intercompany balances and transactions have been eliminated in consolidation.

Accounts Receivable and Allowance for Doubtful Accounts

     Accounts receivable consist of amounts due from third-party payors, patients, third-party distributors, and government agencies. The allowance for doubtful accounts is recorded in the period in which revenue is recorded or at the time potential collection risk is identified. The Company estimates its allowance based on historical experience, assessment of specific risk, discussions with individual customers and various assumptions and estimates that are believed to be reasonable under the circumstances.

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Inventories

     Inventories are held at the lower of cost or market, determined under the first-in, first-out (“FIFO”) method. Inventory has been recorded at cost as of September 30, 2011 and December 31, 2010. Work in process is calculated based upon a build up in the stage of completion using estimated labor inputs for each stage in production. The Company periodically reviews inventories for potential impairment based on quantities on hand and expectations of future use.

Property and Equipment

     Property and equipment is stated at cost and depreciated using the straight-line method over the estimated useful lives of the respective assets. Leasehold improvements are amortized over their useful life or the life of the lease, whichever is shorter. Assets capitalized under capital leases are amortized in accordance with the respective class of owned assets and the amortization is included with depreciation expense. Maintenance and repair costs are expensed as incurred.

Intangibles and Other Long-Lived Assets

     The Company’s finite-lived intangible assets are stated at cost less accumulated amortization. The Company assesses its intangible and other long lived assets for impairment whenever events or changes in circumstances suggest that the carrying value of an asset may not be recoverable. At September 30, 2011, intangible assets related to the acquisition of Neighborhood Diabetes consisted of $27.9 million of customer relationships and $2.7 million of tradenames. The Company assesses the need for an impairment of intangibles and other finite-lived assets if the carrying amount of the asset is not recoverable based on its undiscounted future cash flows. Any such impairment loss is measured as the difference between the carrying amount and the fair value of the asset. The estimation of useful lives and expected cash flows requires the Company to make significant judgments regarding future periods that are subject to some factors outside its control. Changes in these estimates can result in significant revisions to the carrying value of these assets and may result in material charges to the results of operations. The estimated life of the acquired tradename asset is 15 years. The estimated life of the acquired customer relationships asset is ten years. Intangible assets with determinable estimated lives are amortized over these lives.

Goodwill

     Goodwill represents the excess of the cost of the acquired Neighborhood Diabetes businesses over the fair value of identifiable net assets acquired. The Company will perform an assessment of its goodwill for impairment on at least an annual basis or whenever events or changes in circumstances indicate there might be impairment.

     Goodwill is evaluated at the reporting unit level. To test for impairment, the Company compares the carrying value of the reporting unit to its fair value. If the reporting unit’s carrying value exceeds its fair value, the Company would record an impairment loss to the extent that the carrying value of goodwill exceeds its implied fair value.

Warranty

     The Company provides a four year warranty on its PDMs and may replace any OmniPods that do not function in accordance with product specifications. The Company estimates its warranty reserves at the time the product is shipped based on historical experience and the estimated cost to service the claims. Cost to service the claims reflects the current product cost, which has been decreasing over time. As these estimates are based on historical experience, and the Company continues to introduce new versions of existing products, the Company also considers the anticipated performance of the product over its warranty period in estimating warranty reserves.

Revenue Recognition

     The Company generates nearly all of its revenue from sales of its OmniPod Insulin Management System and other diabetes related products including blood glucose testing supplies, insulin pumps, pump supplies and pharmaceuticals to customers and third-party distributors who resell the product to patients with diabetes.

     Revenue recognition requires that persuasive evidence of a sales arrangement exists, delivery of goods occurs through transfer of title and risk and rewards of ownership, the selling price is fixed or determinable and collectability is reasonably assured. With respect to these criteria:

• The evidence of an arrangement generally consists of a physician order form, a patient information form, and if applicable, third-party insurance approval for sales directly to patients or a purchase order for sales to a third-party distributor.

• Transfer of title and risk and rewards of ownership are passed to the patient or third-party distributor upon shipment of the products.

• The selling prices for all sales are fixed and agreed with the patient or third-party distributor, and, if applicable, the patient’s third-party insurance provider(s), prior to shipment and are based on established list prices or, in the case of certain third-party insurers, contractually agreed upon prices. Provisions for discounts and rebates to customers are established as a reduction to revenue in the same period the related sales are recorded.

     The Company assesses whether different elements qualify for separate accounting. The Company recognizes revenue once all elements have been delivered.

     The Company offers a 45-day right of return for its OmniPod Insulin Management System Starter Kits sales, and defers revenue to reflect estimated sales returns in the same period that the related product sales are recorded. Returns are estimated through a comparison of the Company’s historical return data to their related sales. Historical rates of return are adjusted for known or expected changes in the marketplace when appropriate. When doubt exists about reasonable assuredness of collectability from specific customers, the Company defers revenue from sales of products to those customers until payment is received.

     In March 2008, the Company received a cash payment from Abbott Diabetes Care, Inc. (“Abbott”) for an agreement fee in connection with execution of the first amendment to the development and license agreement between the Company and Abbott. The Company recognizes revenue on the agreement fee from Abbott over the initial five year term of the agreement, and the non-current portion of the agreement fee is included in other long-term liabilities. In addition, Abbott agreed to pay an amount to the Company for services performed in connection with each sale of a PDM that includes an Abbott Discrete Blood Glucose Monitor to customers in certain territories. The Company recognizes revenue related to this portion of the Abbott agreement at the time it meets the criteria for revenue recognition, typically at the time the revenue is recognized on the sale of the PDM to the patient.

     In June 2011, the Company entered into a development agreement with a U.S. based pharmaceutical company (the “Development Agreement”). Under the Development Agreement, the Company is required to perform design, development, regulatory, and other services to support the pharmaceutical company as it works to obtain regulatory approval to use the Company’s drug delivery technology as a delivery method for its pharmaceutical. Over the estimated two year term of the Development Agreement, the Company will invoice amounts based upon meeting certain deliverable milestones. Revenue on the Development Agreement is recognized using a proportional performance methodology based on costs incurred and total payments under the agreement.

     The Company had deferred revenue of $2.4 million and $4.8 million as of September 30, 2011 and December 31, 2010, respectively. The deferred revenue recorded

7

as of September 30, 2011 was comprised of product-related revenue, unrecognized amounts related to the Development Agreement as well as the non-amortized agreement fee related to the Abbott agreement.

Concentration of Credit Risk

     Financial instruments that subject the Company to credit risk primarily consist of cash, cash equivalents and accounts receivable. Although revenue is recognized from shipments directly to patients or third-party distributors, the majority of shipments are billed to third-party insurance payors and government agencies. There were no third-party payors or government agencies that accounted for more than 10% of gross accounts receivable as of September 30, 2011 or December 31, 2010.

Segment Reporting

     Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated on a regular basis by the chief operating decision-maker, or decision-making group, in deciding how to allocate resources to an individual segment and in assessing performance of the segment. In light of the Company’s current product offering, and other considerations, management has determined that the primary form of internal reporting is aligned with the offering of diabetes-related products and supplies. Therefore, the Company believes that it operates in one segment.

Income Taxes

     FASB Accounting Standard Codification, 740-10, Income Taxes (“FASB ASC 740-10”) clarifies the accounting for uncertainty in income taxes recognized in an entity’s financial statements. FASB ASC 740-10 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In addition, FASB ASC 740-10 provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, and disclosure and transition.

     The Company has accumulated significant losses since its inception in 2000. Since the net operating losses may potentially be utilized in future years to reduce taxable income (subject to any applicable limitations), all of the Company’s tax years remain open to examination by the major taxing jurisdictions to which the Company is subject.

     The Company recognizes estimated interest and penalties for uncertain tax positions in income tax expense. As of September 30, 2011, interest and penalties were immaterial to the consolidated financial statements.

Stock-Based Compensation

     The Company accounts for stock-based compensation under the provisions of FASB Accounting Standards Codification 718-10, Compensation — Stock Compensation (“FASB ASC 718-10”) requires all share-based payments to employees, including grants of employee stock options, to be recognized in the income statement based on their fair values.

     The Company uses the Black-Scholes option pricing model to determine the weighted average fair value of options granted. The Company determines the intrinsic value of restricted stock based on the closing prices of its common stock on the date of grant. The Company recognizes the compensation expense of share-based awards on a straight-line basis over the vesting period of the award.

     The determination of the fair value of share-based payment awards utilizing the Black-Scholes model is affected by the stock price and a number of assumptions, including expected volatility, expected life, risk-free interest rate and expected dividends. The expected life of the awards is estimated based on the midpoint between the vesting date and the end of the contractual term. The risk-free interest rate assumption is based on observed interest rates appropriate for the terms of the awards. The dividend yield assumption is based on company history and expectation of paying no dividends. Forfeitures are estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. Stock-based compensation expense recognized in the financial statements is based on awards that are ultimately expected to vest. The Company evaluates the assumptions used to value the awards on a quarterly basis and if factors change and different assumptions are utilized, stock-based compensation expense may differ significantly from what has been recorded in the past. If there are any modifications or cancellations of the underlying unvested securities, the Company may be required to accelerate, increase or cancel any remaining unearned stock-based compensation expense.

     See Footnote 12 for a summary of the stock option activity under our stock-based employee compensation plan.

3. Acquisition of Neighborhood Diabetes

     On June 1, 2011, the Company acquired all of the outstanding shares of privately-held Neighborhood Diabetes, a durable medical equipment distributor specializing in direct to consumer sales of diabetes supplies, including pharmaceuticals, and support services. Neighborhood Diabetes serves more than 60,000 customers with Type 1 and Type 2 diabetes primarily in the northeast and southeast regions of the United States with blood glucose testing supplies, insulin pumps, pump supplies, pharmaceuticals, as well as other products for the management and treatment of diabetes. Neighborhood Diabetes is based in Woburn, Massachusetts, with additional offices in Brooklyn, New York and Orlando, Florida. At the time of the acquisition, Neighborhood Diabetes employed approximately 200 people across its three locations. The acquisition of Neighborhood Diabetes provides the Company with full suite diabetes management product offerings, accelerates the Company’s sales force expansion, strengthens the Company’s back office support capabilities, expands the Company’s access to insulin dependent patients, and provides pharmacy adjudication capabilities to drive incremental sales higher. The aggregate purchase price of approximately $62.4 million consisted of approximately $37.9 million in cash paid at closing, 1,197,631 shares of the Company’s common stock valued at approximately $24.4 million, or $20.40 per share based on the closing price of the Company’s common stock on the acquisition date, and contingent consideration with a fair value of approximately $0.1 million. Of the $37.9 million of cash, $6.6 million is being held in an escrow account to reimburse the Company and its affiliates, if necessary, for certain claims for which they are entitled to be indemnified pursuant to the terms of the agreement and plan of merger with Neighborhood Diabetes.

     The Company has accounted for the acquisition of Neighborhood Diabetes as a business combination. Under business combination accounting, the assets and liabilities of Neighborhood Diabetes were recorded as of the acquisition date, at their respective fair values, and consolidated with the Company. The excess of the purchase price over the fair value of net assets acquired was recorded as goodwill. The operating results of Neighborhood Diabetes have been included in the consolidated financial statements since June 1, 2011, the date the acquisition was completed. For the three and nine months ended September 30, 2011, the Company included approximately $10.4 million and $14.1 million, respectively, of revenue from for pharmacy and testing supplies sold by Neighborhood Diabetes. If the acquisition had occurred as of January 1, 2010, consolidated revenue would have been approximately $130.0 million and $113.1 million for the nine months ended September 30, 2011 and 2010, respectively. Consolidated net loss would have been approximately $44.1 million and $38.8 million for the nine months ended September 30, 2011 and 2010, respectively. The purchase price allocation, including an independent appraisal for intangible assets, has been prepared based on the information that was available to management at the time the consolidated financial statements were prepared, and revisions to the preliminary purchase price allocation will be made as additional information becomes available with respect to the fair value of the net assets. The preliminary purchase price at June 1, 2011 has been allocated as follows (in thousands):

8

Calculation of allocable purchase price:
Cash	$	37,855
Common stock		24,432
Contingent consideration obligations		61
Total allocable purchase price	$	62,348
Preliminary allocation of purchase price:
Accounts receivable	$	5,387
Inventories		2,336
Prepaid expenses and other current assets		242
Property and equipment		391
Customer relationships		30,100
Tradenames		2,800
Goodwill		26,727
Other assets		233
Accounts payable		4,109
Accrued expenses		1,700
Other long-term liabilities		59
	$	62,348

     In the three months ended September 30, 2011 the Company recorded certain adjustments to the initial purchase price accounting. The adjustments to goodwill are as follows (in thousands):

	Purchase accounting adjustments
	offset to goodwill
Collection of fully reserved receivable	$	(543	)
Other		(20	)
Total	$	(563	)

     The Company incurred transaction costs of approximately $3.2 million, which consisted primarily of banking, legal, accounting and other administrative fees. These costs have been recorded as general and administrative expense in the three and nine months ended September 30, 2011.

4. Other Intangible Assets

Other intangible assets consist of the following (in thousands):

			As of
			September 30, 2011
			Accumulated
	Cost		Amortization			Net Book Value
Customer relationships	$	30,100	$	(2,165	)	$	27,935
Tradename		2,800		(62	)		2,738
Total	$	32,900	$	(2,227	)	$	30,673

     The Company recorded $32.9 million of other intangible assets in the nine months ended September 30, 2011 as a result of the acquisition of Neighborhood Diabetes (see Footnote 3 for further description). The Company determined that the estimated useful life of the customer relationships asset is ten years and that the estimated useful life of the tradename is 15 years and is amortizing the assets over these estimated lives accordingly. The amortization of other intangible assets was approximately $1.7 million and $2.2 million for the three and nine months ended September 30, 2011, respectively. No amortization expense was recorded in any period prior to the three months ended June 30, 2011. Amortization expense for the year ending December 31, 2011 is expected to be approximately $3.9 million.

Amortization expense expected for the next five years is as follows (in thousands):

9

	Amortization Expense
Year Ended	Customer
December 31,	Relationships		Tradename		Total
2012	$	5,853	$	187	$	6,040
2013		4,736		187		4,923
2014		3,790		187		3,977
2015		3,064		187		3,251
2016		2,478		187		2,665

5. Long-Term Debt

     At September 30, 2011 and December 31, 2010, the Company had outstanding long-term debt and related deferred financing costs on its balance sheet as follows (in thousands):

	As of
	September 30, 2011			December 31, 2010
Liabilities:
Principal amount of the 5.375% Convertible Notes	$	15,000		$	85,000
Principal amount of the 3.75% Convertible Notes		143,750			—
Unamortized discount of liability component		(52,431	)		(15,567	)
	$	106,319		$	69,433
Deferred financing costs	$	2,660		$	1,173

     Interest expense related to the 5.375% Notes, the 3.75% Notes and the Facility Agreement referred to below was included in interest expense on the consolidated statements of operations as follows (in thousands):

	Three months ended				Nine months ended
	September 30, 2011		September 30, 2010		September 30, 2011		September 30, 2010
Contractual coupon interest	$	1,549	$	1,838	$	3,834	$	5,501
Accretion of debt discount		2,143		1,887		4,992		5,493
Amortization of debt issuance costs		146		214		389		654
	$	3,838	$	3,939	$	9,215	$	11,648

5.375% Convertible Notes

     In June 2008, the Company sold $85.0 million principal amount of 5.375% Convertible Senior Notes due June 15, 2013 (the “5.375% Notes”) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended. The interest rate on the notes is 5.375% per annum on the principal amount from June 16, 2008, payable semi-annually in arrears in cash on December 15 and June 15 of each year. The 5.375% Notes are convertible into the Company’s common stock at an initial conversion rate of 46.8467 shares of common stock per $1,000 principal amount of the 5.375% Notes, which is equivalent to a conversion price of approximately $21.35 per share, representing a conversion premium of 34% to the last reported sale price of the Company’s common stock on the NASDAQ Global Market on June 10, 2008, subject to adjustment under certain circumstances, at any time beginning on March 15, 2013 or under certain other circumstances and prior to the close of business on the business day immediately preceding the final maturity date of the notes. The 5.375% Notes will be convertible for cash up to their principal amount and shares of the Company’s common stock for the remainder of the conversion value in excess of the principal amount.

     If a fundamental change, as defined in the Indenture for the 5.375% Notes, occurs at any time prior to maturity, holders of the 5.375% Notes may require the Company to repurchase their notes in whole or in part for cash equal to 100% of the principal amount of the notes to be repurchased, plus accrued and unpaid interest, including any additional interest, to, but excluding, the date of repurchase. If a holder elects to convert its 5.375% Notes upon the occurrence of a make-whole fundamental change, as defined in the Indenture for the 5.375% Notes, the holder may be entitled to receive an additional number of shares of common stock on the conversion date. These additional shares are intended to compensate the holders for the loss of the time value of the conversion option and are set forth in the Indenture to the 5.375% Notes. In no event will the number of shares issuable upon conversion of a note exceed 62.7746 per $1,000 principal amount (subject to adjustment as described in the Indenture for the 5.375% Notes).

     The Company recorded a debt discount of $26.9 million to equity to reflect the value of its nonconvertible debt borrowing rate of 14.5% per annum. This debt discount is being amortized as interest expense over the five year term of the 5.375% Notes. The Company incurred deferred financing costs related to this offering of approximately $3.5 million, of which $1.1 million has been reclassified as an offset to the value of the amount allocated to equity. The remainder is recorded as other assets in the consolidated balance sheet and is being amortized as a component of interest expense over the five year term of the 5.375% Notes.

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     On June 29, 2011, in connection with the issuance of $143.8 million of 3.75% Convertible Notes due June 15, 2016 (the “3.75% Notes”), the Company repurchased $70 million in principal amount of the 5.375% Notes for $85.1 million, a 21.5% premium on the principal amount. The investors that held the $70 million of repurchased 5.375% Notes purchased $59.5 million in principal amount of the 3.75% Notes and retained approximately $13.5 million of the remaining 5.375% Notes. The investors’ combined $73.0 million of convertible debt ($13.5 million of 5.375% Notes and $59.5 million of 3.75% notes) was considered to be a modification of a portion of the 5.375% Notes. See “3.75% Convertible Notes” for additional detail on the modification accounting.

     Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the $85 million of principal 5.375% Notes was $3.1 million in the nine months ended September 30, 2011. There was no non-cash interest expense in the three months ended September 31, 2011. Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the $85 million of principal 5.375% Notes was $1.4 million and $4.1 million in the three and nine months ended September 30, 2010, respectively.

     Cash interest expense related to the 5.375% Notes was $0.2 million and $2.5 million in the three and nine months ended September 30, 2011, respectively. Cash interest expense related to the 5.375% Notes was $1.1 million and $3.4 million for the three and nine months ended September 30, 2010, respectively.

     As of September 30, 2011, the Company included approximately $1.3 million on its balance sheet related to the unmodified portion of the 5.375% Notes. The 5.375% Notes have a remaining term of 1.75 years.

Facility Agreement and Common Stock Warrants

     In March 2009, the Company entered into a facility agreement with certain institutional accredited investors (the “Facility Agreement”), pursuant to which the investors agreed to loan the Company up to $60 million, subject to the terms and conditions set forth in the Facility Agreement. Total financing costs, including the transaction fee, were $3.0 million and were amortized as interest expense over the 42 months of the Facility Agreement. In September 2009, the Company entered into an amendment to the Facility Agreement whereby the Company repaid the $27.5 million originally drawn and promptly drew down the remaining $32.5 million available under the Facility Agreement. The annual interest rate was 8.5%, payable quarterly in arrears. In connection with the amendment to the Facility Agreement, the Company entered into a securities purchase agreement with the lenders whereby the Company sold 2,855,659 shares of its common stock to the lenders at $9.63 per share, a $1.9 million discount based on the closing price of the Company’s common stock of $10.28 on that date. The Company recorded the $1.9 million as a debt discount which was amortized as interest expense over the remaining term of the loan. The Company received aggregate proceeds of $27.5 million in connection with the sale of its shares. All principal amounts outstanding under the Facility Agreement were payable in September 2012.

     In connection with the execution of the Facility Agreement, the Company issued to the lenders fully exercisable warrants to purchase an aggregate of 3.75 million shares of common stock of the Company at an exercise price of $3.13 per share. The warrants qualified for permanent treatment as equity, and their relative fair value of $6.1 million on the issuance date was recorded as additional paid-in capital and debt discount. The debt discount was amortized as non-cash interest expense over the term of the loan. As of September 30, 2011, all warrants to acquire 3.75 million shares of the Company’s common stock issued in connection with the Facility Agreement were exercised.

     In December 2010, the Company paid $33.3 million to the lenders, of which $32.5 million related to principal and $0.8 million related to interest and prepayment fees, to extinguish this debt. The Company recorded a non-cash interest charge of $7.0 million in the fourth quarter of 2010 related to the write-off of the remaining debt discounts and financing costs included in other assets which were being amortized to interest expense over the term of the debt. At September 30, 2011 and December 31, 2010, there were no amounts related to the Facility Agreement included in long-term debt on the Company’s balance sheet.

3.75% Convertible Notes

     In June 2011, the Company sold $143.8 million principal amount of the 3.75% Notes. The interest rate on the notes is 3.75% per annum, payable semi-annually in arrears in cash on December 15 and June 15 of each year. The 3.75% Notes are convertible into the Company’s common stock at an initial conversion rate of 38.1749 shares of common stock per $1,000 principal amount of the 3.75% Notes, which is equivalent to a conversion price of approximately $26.20 per share, subject to adjustment under certain circumstances. The 3.75% Notes are convertible prior to March 15, 2016 only upon the occurrence of certain circumstances. On and after March 15, 2016 and prior to the close of business on the second scheduled trading day immediately preceding the final maturity date of the 3.75% Notes, the notes may be converted without regard to the occurrence of any such circumstances. The 3.75% Notes and any unpaid interest will be convertible at the Company’s option for cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock for the principal amount. The Company intends to settle the principal in cash.

     The Company may not redeem the 3.75% Notes prior to June 20, 2014. From June 20, 2014 to June 20, 2015 the Company may redeem the 3.75% Notes, at its option, in whole or in part only if the last reported sale price per share of the Company’s common stock has been at least 130% of the conversion price then in effect for at least 20 trading days during a period of 30 consecutive trading days. On and after June 25, 2015, the Company may redeem the 3.75% Notes, at its option (without regard to such sale price condition), in whole or in part. If a fundamental change, as defined in the Indenture for the 3.75% Notes, occurs at any time prior to maturity, holders of the 3.75% Notes may require the Company to repurchase their notes in whole or in part for cash equal to 100% of the principal amount of the 3.75% Notes to be repurchased, plus accrued and unpaid interest. If a holder elects to convert its 3.75% Notes upon the occurrence of a make-whole fundamental change, as defined in the Indenture for the 3.75% Notes, the holder may be entitled to receive an additional number of shares of common stock on the conversion date. These additional shares are intended to compensate the holders for the loss of the time value of the conversion option and are set forth in the Indenture to the 3.75% Notes. In no event will the number of shares issuable upon conversion of a note exceed 50.5816 per $1,000 principal amount (subject to adjustment as described in the Indenture for the 3.75% Notes). The 3.75% Notes are unsecured and are equal in right of payment to the 5.375% notes.

     The Company evaluated certain features of the 3.75% Notes to determine whether these features are derivatives which should be bifurcated and accounted for at fair value. The Company identified certain features related to a portion of the 3.75% Notes, including the holders’ ability to require the Company to repurchase their notes and the higher interest payments required in an event of default, which are considered embedded derivatives and should be accounted for at fair value. The Company assesses the value of each of these embedded derivatives at each balance sheet date. At September 30, 2011, the Company separately accounted for and determined that these derivatives have de minimus value.

     In connection with the issuance of the 3.75% Notes, the Company repurchased $70 million in principal amount of the 5.375% Notes for $85.1 million, a 21.5% premium on the principal amount. The investors that held the $70 million of repurchased 5.375% Notes purchased $59.5 million in principal amount of the 3.75% Notes and retained approximately $13.5 million of the remaining 5.375% Notes. This transaction was treated as a modification of a portion of the 5.375% Notes. The Company accounted for this modification of existing debt separately from the issuance of the remainder of the 3.75% Notes.

     Prior to the transaction, the $70 million principal of repurchased 5.375% Notes had a debt discount of $10.5 million. This amount remained in debt discount related to the modified $13.5 million of 5.375% Notes and $59.5 million of 3.75% Notes. The Company included $46.3 million on its balance sheet related to these notes at September 30, 2011. The Company recorded additional debt discount of $15.1 million related to the premium payment in connection with the repurchase and $0.2 million related to the increase in the value of the conversion feature. The offset to the debt discount related to the value of the conversion feature was recorded as

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additional paid-in capital. The total debt discount of $25.8 million related to the modified debt is being amortized as interest expense at the effective rate of 16.5% over the five year term of the modified debt. The Company paid transaction fees of approximately $2.0 million related to the modification, which were recorded as interest expense in the nine months ended September 30, 2011. Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the $73 million of the modified debt was $1.2 million in the three and nine months ended September 30, 2011. As the debt was considered to be modified in connection with the issuance of the 3.75% Notes in June 2011, there was no non-cash interest expense related to the modified debt in the three and nine months ended September 30, 2010.

     Of the $143.8 million of 3.75% Notes issued in June 2011, $84.3 million was considered to be an issuance of new debt. The Company recorded a debt discount of $26.6 million related to the $84.3 million of 3.75% Notes. The Company included $58.7 million on its balance sheet related to these notes at September 30, 2011. The debt discount was recorded as additional paid-in capital to reflect the value of its nonconvertible debt based on a borrowing rate of 12.4% per annum. This debt discount is being amortized as interest expense over the five year term of the 3.75% Notes. The Company incurred deferred financing costs related to this offering of approximately $2.8 million, of which $0.9 million has been reclassified as an offset to the value of the amount allocated to equity. The remainder is recorded as other assets in the consolidated balance sheet and is being amortized as a component of interest expense over the five year term of the 3.75% Notes. Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the new portion of the 3.75% Notes was $1.1 million in the three and nine months ended September 30, 2011. There was no non-cash interest recorded on the new portion of the 3.75% Notes in the three and nine months ended September 30, 2010.

     Cash interest expense related to the $143.8 million of 3.75% Notes was $1.3 million in the three and nine months ended September 30, 2011. No cash interest was recorded on the 3.75% Notes in the three and nine months ended September 30, 2010.

     As of September 30, 2011, the 3.75% Notes have a remaining term of 4.75 years.

6. Restructuring Expenses and Impairments of Assets

     During the nine months ended September 30, 2010, the Company performed an evaluation of its Construction in Process related to its manufacturing equipment for its next generation OmniPod. As a result of this evaluation as well as the additional information obtained in connection with the completion of the Company’s pilot manufacturing line for its next generation OmniPod, the Company determined that approximately $1.0 million of previously capitalized costs relating to the project no longer met the capitalization criteria. Accordingly, the Company expensed these costs as research and development expense in the nine months ended September 30, 2010. The evaluations performed in the nine months ended September 30, 2011 resulted in no impaired assets being identified.

7. Net Loss Per Share

     Basic net loss per share is computed by dividing net loss by the weighted average number of common shares outstanding for the period, excluding unvested restricted common shares. Diluted net loss per share is computed using the weighted average number of common shares outstanding and, when dilutive, potential common share equivalents from options, restricted stock units, and warrants (using the treasury-stock method), and potential common shares from convertible securities (using the if-converted method). Because the Company reported a net loss for the three and nine months ended September 30, 2011 and 2010, all potential common shares have been excluded from the computation of the diluted net loss per share for all periods presented, as the effect would have been anti-dilutive. Such potentially dilutive common share equivalents consist of the following:

	Three and Nine Months Ended
	September 30,
	2011		2010
5.375% Convertible notes		702,701		3,981,969
3.75% Convertible notes		5,487,642		—
Unvested restricted stock units		648,215		374,887
Outstanding options		2,861,536		3,370,576
Outstanding warrants		62,752		1,687,752
Total		9,762,846		9,415,184

8. Accounts Receivable

The components of accounts receivable are as follows:

	As of
	September 30,			December 31,
	2011			2010
	(In thousands)
Trade receivables	$	23,685		$	22,273
Allowance for doubtful accounts		(6,416	)		(5,432	)
	$	17,269		$	16,841

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9. Inventories

     Inventories consist of the following:

	As of
	September 30,		December 31,
	2011		2010
	(In thousands)
Raw materials	$	3,929	$	1,892
Work-in-process		622		2,378
Finished goods		8,572		7,160
	$	13,123	$	11,430

10. Product Warranty Costs

     The Company provides a four year warranty on its PDMs and may replace any OmniPods that do not function in accordance with product specifications. Warranty expense is estimated and recorded in the period that shipment occurs. The expense is based on the Company’s historical experience and the estimated cost to service the claims. A reconciliation of the changes in the Company’s product warranty liability is as follows:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
	(In thousands)						(In thousands)
Balance at the beginning of period	$	1,795		$	1,940		$	1,873		$	1,820
Warranty expense		792			347			2,171			1,316
Warranty claims settled		(725	)		(502	)		(2,182	)		(1,351	)
Balance at the end of the period	$	1,862		$	1,785		$	1,862		$	1,785

	As of
	September 30,		December 31,
	2011		2010
	(In thousands)
Composition of balance:
Short-term	$	856	$	880
Long-term		1,006		993
Total warranty balance	$	1,862	$	1,873

11. Commitments and Contingencies

Operating Leases

     The Company leases its facilities in Bedford and Billerica, Massachusetts. In addition, in connection with its acquisition of Neighborhood Diabetes, the Company acquired leases of facilities in Woburn, Massachusetts, Brooklyn, New York and Orlando, Florida. The Company’s leases are accounted for as operating leases. The leases generally provide for a base rent plus real estate taxes and certain operating expenses related to the leases. The Company has extended the leases of its facilities in Bedford and Billerica, Massachusetts. Following the extensions, these leases expire in September 2014. The leases for Bedford contain a five year renewal option and escalating payments over the life of the lease. The leases in Woburn, Brooklyn and Orlando expire in June 2013, April 2015 and September 2012, respectively.

     The Company’s operating lease agreements contain scheduled rent increases which are being amortized over the terms of the agreement using the straight-line method and are included in other liabilities in the accompanying consolidated balance sheet.

Legal Proceedings

     In August 2010, Becton, Dickinson and Company, (“BD”), filed a lawsuit in the United States District Court in the State of New Jersey against the Company alleging that the OmniPod System infringes three of its patents. BD seeks a declaration that the Company has infringed its patents, equitable relief, including an injunction that would enjoin the Company from infringing these patents, and an unspecified award for monetary damages. The Company believes that the OmniPod System does not infringe these patents. The Company expects that this litigation will not have a material adverse impact on its financial position or results of operations. The Company

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believes it has meritorious defenses to this lawsuit; however, litigation is inherently uncertain and there can be no assurance as to the ultimate outcome or effect of this action.

Indemnifications

     In the normal course of business, the Company enters into contracts and agreements that contain a variety of representations and warranties and provide for general indemnifications. The Company’s exposure under these agreements is unknown because it involves claims that may be made against the Company in the future, but have not yet been made. To date, the Company has not paid any claims or been required to defend any action related to its indemnification obligations. However, the Company may record charges in the future as a result of these indemnification obligations.

     In accordance with its bylaws, the Company has indemnification obligations to its officers and directors for certain events or occurrences, subject to certain limits, while they are serving at the Company’s request in such capacity. There have been no claims to date and the Company has a director and officer insurance policy that enables it to recover a portion of any amounts paid for future claims.

12. Equity

     In June 2010, the lenders in the Company’s Facility Agreement exercised warrants to purchase 2,125,000 shares of the Company’s common stock for an aggregate purchase price of $6.7 million. The Company had originally granted warrants to purchase 3,750,000 shares of its common stock at $3.13 per share in connection with the Facility Agreement.

     In December 2010, in a public offering, the Company issued and sold 3,450,000 shares of its common stock at a price of $13.27 per share. In connection with the offering, the Company received total gross proceeds of $47.8 million, or approximately $45.4 million in net proceeds after deducting underwriting discounts and offering expenses.

     In June 2011, in connection with the acquisition of Neighborhood Diabetes, the Company issued 1,197,631 shares of its common stock at a price of $20.40 per share, as partial consideration for the acquisition.

     The Company grants share-based awards to employees in the form of options to purchase the Company’s common stock, the ability to purchase stock at a discounted price under the employee stock purchase plan and restricted stock units. Stock-based compensation expense related to share-based awards recognized in the three and nine months ended September 30, 2011 was $1.8 million and $5.6 million, respectively, and was calculated based on awards ultimately expected to vest. Employee stock-based compensation expense recognized in the three and nine months ended September 30, 2010 was $1.3 million and $4.0 million, respectively. At September 30, 2011, the amount of stock-based compensation capitalized as part of inventory was not material. At September 30, 2011, the Company had $19.4 million of total unrecognized compensation expense related to stock options and restricted stock units.

Stock Options

     The following summarizes the activity under the Company’s stock option plans:

				Weighted
				Average		Aggregate
	Number of			Exercise		Intrinsic
	Options			Price		Value
						(in thousands)
Balance, December 31, 2010		3,018,469		$	8.74
Granted		612,500			17.78
Exercised		(659,084	)		7.59	$	7,656	(1)
Canceled		(110,349	)		12.73
Balance, September 30, 2011		2,861,536		$	10.79	$	15,344
Vested, September 30, 2011		1,614,110		$	8.64	$	11,643	(2)
Vested and expected to vest, September 30, 2011 (3)		2,404,247				$	13,729	(2)

(1)	The aggregate intrinsic value was calculated based on the positive difference between the fair market value of the Company’s common stock as of the date of exercise and the exercise price of the underlying options.
(2)	The aggregate intrinsic value was calculated based on the positive difference between the fair market value of the Company’s common stock as of September 30, 2011, and the exercise price of the underlying options.
(3)	Represents the number of vested options as of September 30, 2011, plus the number of unvested options expected to vest as of September 30, 2011, based on the unvested options outstanding as of September 30, 2011, adjusted for the estimated forfeiture rate of 16%.

     At September 30, 2011 there were 2,861,536 options outstanding with a weighted average exercise price of $10.79 per share and a weighted average remaining contractual life of 6.9 years. At September 30, 2011 there were 1,614,110 options exercisable with a weighted average exercise price of $8.64 per share and a weighted average remaining contractual life of 5.6 years.

     Employee stock-based compensation expense related to stock options recognized in the three and nine months ended September 30, 2011 was $1.1 million and $3.2 million, respectively, and was based on awards ultimately expected to vest. Employee stock-based compensation expense related to stock options recognized in the three and nine months ended September 30, 2010 was $1.0 million and $3.2 million, respectively. At September 30, 2011, the Company had $9.9 million of total

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unrecognized compensation expense related to stock options that will be recognized over a weighted average period of 1.2 years.

Employee Stock Purchase Plan

     As of September 30, 2011 and 2010, no shares were contingently issued under the employee stock purchase plan (“ESPP”). In the nine months ended September 30, 2011 and 2010, the Company recorded no significant stock-based compensation charges related to the ESPP.

Restricted Stock Units

     In the nine months ended September 30, 2011, the Company awarded 464,200 restricted stock units to certain employees. The restricted stock units were granted under the Company’s 2007 Stock Option and Incentive Plan (the “2007 Plan”) and vest annually over three to four years from the grant date. The restricted stock units granted have a weighted average fair value of $18.00 per share based on the closing price of the Company’s common stock on the date of grant. The restricted stock units granted during the nine months ended September 30, 2011 were valued at approximately $8.4 million at their grant date, and the Company is recognizing the compensation expense over the vesting period. Approximately $0.7 million and $2.4 million of stock-based compensation expense related to the vesting of restricted stock units was recognized in the three and nine months ended September 30, 2011, respectively. Approximately $0.3 million and $0.7 million of stock-based compensation expense related to the vesting of restricted stock units was recognized in the three and nine months ended September 30, 2010, respectively. Approximately $9.5 million of the fair value of the restricted stock units remained unrecognized as of September 30, 2011. Under the terms of the award, the Company will issue shares of common stock on each of the vesting dates. During the nine months ended September 30, 2011, 120,983 restricted stock units originally granted in 2010 vested. The following table summarizes the status of the Company’s restricted stock units:

				Weighted
	Number of			Average
	Shares			Fair Value
Balance, December 31, 2010		355,999		$	14.99
Granted		464,200			18.00
Vested		(120,983	)		14.91
Forfeited		(51,001	)		16.18
Balance, September 30, 2011		648,215		$	17.07

Restricted Common Stock

     During the year ended December 31, 2008, the Company awarded 4,000 shares of restricted common stock to a non-employee. The shares of restricted common stock were granted under the 2007 Plan and vested over two years. The shares of restricted common stock granted had a weighted average fair value of $8.04 per share based on the closing price of the Company’s common stock on the date of grant. The remaining 444 unvested shares at December 31, 2010 vested during the nine months ended September 30, 2011. The Company recognized the total compensation expense of $32,000 over the two year vesting period.

13. Income Taxes

     Deferred income taxes reflect the net tax effects of temporary differences between the carrying amount of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The Company provided a valuation allowance for the full amount of its net deferred tax asset for all periods because realization of any future tax benefit cannot be determined as more likely than not, as the Company does not expect income in the near-term.

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Item 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations

     You should read the following discussion of our financial condition and results of operations in conjunction with our consolidated financial statements and the accompanying notes to those financial statements included in this Quarterly Report on Form 10-Q. This Quarterly Report on Form 10-Q contains forward-looking statements. These forward-looking statements are based on our current expectations and beliefs concerning future developments and their potential effects on us. There can be no assurance that future developments affecting us will be those that we have anticipated. These forward-looking statements involve a number of risks, uncertainties (some of which are beyond our control) or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements. These risks and uncertainties include, but are not limited to: risks associated with our dependence on the OmniPod System; our ability to increase customer orders and manufacturing volumes; adverse changes in general economic conditions; impact of healthcare reform legislation; our inability to raise additional funds in the future on acceptable terms or at all; potential supply problems or price fluctuations with sole source or other third-party suppliers on which we are dependent; international business risks; our inability to obtain adequate coverage or reimbursement from third-party payors for the OmniPod System and potential adverse changes in reimbursement rates or policies relating to the OmniPod; potential adverse effects resulting from competition with competitors; technological innovations adversely affecting our business; potential termination of our license to incorporate a blood glucose meter into the OmniPod System; our ability to protect our intellectual property and other proprietary rights; conflicts with the intellectual property of third parties, including claims that our current or future products infringe the proprietary rights of others; adverse regulatory or legal actions relating to the OmniPod System; failure to obtain timely regulatory approval for the sale of the next generation OmniPod System; failure of our contract manufacturers or component suppliers to comply with FDA’s quality system regulations, the potential violation of federal or state laws prohibiting “kickbacks” or protecting patient health information, or any challenges to or investigations into our practices under these laws; product liability lawsuits that may be brought against us; reduced retention rates; unfavorable results of clinical studies relating to the OmniPod System or the products of our competitors; potential future publication of articles or announcement of positions by physician associations or other organizations that are unfavorable to our products; the expansion, or attempted expansion, into foreign markets; the concentration of substantially all of our manufacturing capacity at a single location in China and substantially all of our OmniPod System inventory at a single location in Massachusetts; our ability to attract and retain key personnel; our ability to manage our growth; failure to integrate successfully the Neighborhood Diabetes business; intense competition among distributors of diabetes supplies impairing Neighborhood Diabetes’ business; loss by Neighborhood Diabetes of an opportunity to sell insulin pumps supplied by our competitors; failure by Neighborhood Diabetes to retain key supplier and payor partners; failure by Neighborhood Diabetes to retain supplier pricing discounts and achieve satisfactory gross margins; failure by Neighborhood Diabetes to retain and manage successfully its Medicare and Medicaid business; existence of unanticipated liabilities arising in connection with the Neighborhood Diabetes business; fluctuations in quarterly results of operations; risks associated with potential future acquisitions; our ability to generate sufficient cash to service all of our indebtedness; the expansion of our distribution network; our ability to successfully maintain effective internal controls; and other risks and uncertainties described in our Annual Report on Form 10-K, which was filed with the Securities and Exchange Commission on March 10, 2011 in the section entitled “Risk Factors,” and in our other filings from time to time with the Securities and Exchange Commission. Should one or more of these risks or uncertainties materialize, or should any of our assumptions prove incorrect, actual results may vary in material respects from those projected in these forward-looking statements. We undertake no obligation to publicly update or revise any forward-looking statements.

Overview

     We are a medical device company that develops, manufactures and markets an insulin infusion system for people with insulin-dependent diabetes. Our proprietary OmniPod Insulin Management System (the “OmniPod System”) consists of our disposable OmniPod insulin infusion device and our handheld, wireless Personal Diabetes Manager, (‘PDM”). The U.S. Food and Drug Administration, (“FDA”), approved the OmniPod System in January 2005. In October 2005, we shipped our first commercial OmniPod System.

     We have progressively expanded our marketing efforts from an initial focus in the Eastern United States to having availability of the OmniPod System across the entire United States. In January 2010, we entered into a five year distribution agreement with Ypsomed Distribution AG, (“Ypsomed”), to become the exclusive distributor of the OmniPod System in eleven countries, subject to approved reimbursement. Through our partnership with Ypsomed, the OmniPod System is now available in seven markets, namely Germany, the United Kingdom, France, the Netherlands, Sweden, Norway and Switzerland. We expect that Ypsomed will begin distribution of the OmniPod System, subject to approved reimbursement, in the other markets under the agreement in 2012. In February 2011, we entered into a distribution agreement with GlaxoSmithKline Inc., (“GSK”), to become the exclusive distributor of the OmniPod System in Canada. We made an initial shipment of OmniPods to GSK during the second quarter of 2011, and GSK began distributing the OmniPod System during the third quarter of 2011. We focus our sales initiatives towards key diabetes practitioners, academic centers and clinics specializing in the treatment of diabetes patients, as well as individual diabetes patients.

     On June 1, 2011, we completed the acquisition of Neighborhood Holdings, Inc. and its wholly-owned subsidiaries (collectively, “Neighborhood Diabetes”), a leading durable medical equipment distributor, specializing in direct to consumer sales of diabetes supplies. Neighborhood Diabetes is based in Woburn, Massachusetts with additional facilities in Brooklyn, New York and Orlando, Florida. Neighborhood Diabetes serves more than 60,000 customers with Type 1 and Type 2 diabetes primarily in the northeast and southeast regions of the United States. Neighborhood Diabetes supplies these customers with blood glucose testing supplies, insulin pumps, pump supplies, pharmaceuticals, and other products for the management and treatment of diabetes.

     We currently produce the OmniPod System on a partially automated manufacturing line at a facility in China operated by a subsidiary of Flextronics International Ltd. (“Flextronics”). We purchase complete OmniPods pursuant to our agreement with Flextronics. Under the agreement, Flextronics has agreed to supply us, as a non-exclusive supplier, with OmniPods at agreed upon prices per unit pursuant to a rolling 12-month forecast that we provide. The agreement may be terminated at any time by either party upon prior written notice given no less than a specified number of days prior to the date of termination. The specified number of days is intended to provide the parties with sufficient time to make alternative arrangements in the event of termination. By purchasing OmniPods manufactured by Flextronics in China, we have been able to substantially increase production volumes for the OmniPod and reduce our per unit production cost.

     To achieve profitability, we continue to seek to increase manufacturing volume and reduce the per-unit production cost for the OmniPod. By increasing production volumes of the OmniPod, we have been able to reduce our per-unit raw material costs and improve absorption of manufacturing overhead costs. This, as well as the introduction of our next generation OmniPod, is important as we strive to achieve profitability. We believe our current manufacturing capacity is sufficient to meet our expected 2011 demand for OmniPods.

     Neighborhood Diabetes is a distributor of blood glucose testing supplies, insulin pumps, pump supplies, pharmaceuticals and other products for the management and treatment of diabetes. Neighborhood Diabetes purchases products from manufacturers at contracted rates and supplies these products to its customers. Based on market penetration, payor plans and other factors, certain manufacturers provide rebates based on product sold. Neighborhood Diabetes records these rebates as a reduction to cost of goods sold as they are earned.

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     Our sales and marketing effort is focused on generating demand and acceptance of the OmniPod System among healthcare professionals, people with insulin-dependent diabetes, third-party payors, government agencies, and third-party distributors. Our marketing strategy is to build awareness for the benefits of the OmniPod System through a wide range of education programs, social networking, patient demonstration programs, support materials, media advertisements and events at the national, regional and local levels. We are using third-party distributors to improve our access to managed care and government reimbursement programs, expand our commercial presence and provide access to additional potential patients.

     Neighborhood Diabetes has built a strong infrastructure in the reimbursement, billing and collection areas that provide for adjudication of claims as either durable medical equipment or through pharmacy benefits. Claims are adjudicated under private insurers, Medicaid or Medicare. Neighborhood Diabetes’ business model requires collaboration with physicians, medical device manufacturers, pharmaceutical distributors, private insurers and public insurers such as The Center for Medicare & Medicaid Services, (“CMS”), who we collectively refer to as partners. Neighborhood Diabetes’ net sales are primarily generated from distributing diabetes supplies and pharmaceuticals pursuant to agreements with its partners.

     As a medical device company, reimbursement from third-party payors is an important element of our success. If patients are not adequately reimbursed for the costs of using the OmniPod System, it will be much more difficult for us to penetrate the market. We continue to negotiate contracts establishing reimbursement for the OmniPod System with national and regional third-party payors. As part of the integration of Neighborhood Diabetes, we are aligning third-party payor contracts, both ours and those of Neighborhood Diabetes, to be able to better leverage our cross-selling initiatives. As we expand our sales and marketing focus, increase our manufacturing capacity, expand to international markets and leverage the Neighborhood Diabetes model, we will need to maintain and expand available reimbursement for our product offerings.

     Since our inception in 2000, we have incurred losses every quarter. In the three and nine months ended September 30, 2011, we incurred net losses of $13.6 million and $42.8 million, respectively. As of September 30, 2011, we had an accumulated deficit of $426.7 million. We have financed our operations through private placements of debt and equity securities, public offerings of our common stock and issuances of convertible debt and borrowings under certain other debt agreements. As of September 30, 2011, we had $158.8 million of convertible debt outstanding. Of the $158.8 million of convertible debt outstanding, approximately $15 million matures in June 2013 and approximately $143.8 million matures in June 2016.

     Our long-term financial objective is to achieve and sustain profitable growth. Our efforts for the remainder of 2011 are focused primarily on the development, production and regulatory approval of our next generation OmniPod System, the expansion of sales by continuing to add new patients as well as increasing the sales to existing patients by offering additional products and services, and the integration of Neighborhood Diabetes. Achieving these objectives is expected to require additional investments in certain personnel and initiatives to allow for us to increase our penetration in the United States and international markets. We believe that we will continue to incur net losses in the near term in order to achieve these objectives. However, we believe that the accomplishment of our near term objectives will have a positive impact on our financial condition in the future.

     We believe that our cash and cash equivalents, together with the cash expected to be generated from product sales, will be sufficient to meet our projected operating and debt service requirements for the next twelve months.

Acquisition of Neighborhood Diabetes

     On June 1, 2011, we acquired all of the outstanding shares of Neighborhood Diabetes, a durable medical equipment distributor specializing in direct to consumer sales of diabetes supplies, including pharmaceuticals, and support services. Neighborhood Diabetes serves more than 60,000 customers with Type 1 and Type 2 diabetes primarily in the northeast and southeast regions of the United States with blood glucose testing supplies, insulin pumps, pump supplies, pharmaceuticals, as well as other products for the management and treatment of diabetes. Neighborhood Diabetes is based in Woburn, Massachusetts, with additional offices in Brooklyn, New York and Orlando, Florida. At the time of the acquisition, Neighborhood Diabetes employed approximately 200 people across its three locations. The acquisition of Neighborhood Diabetes provides us with full suite diabetes management product offerings, accelerates our sales force expansion, strengthens our back office support capabilities, expands our access to insulin dependent patients, and provides pharmacy adjudication capabilities to drive incremental sales higher. The aggregate purchase price of approximately $62.4 million consisted of approximately $37.9 million in cash paid at closing, 1,197,631 shares of our common stock valued at approximately $24.4 million, or $20.40 per share based on the closing price of our common stock on the acquisition date, and contingent consideration with a fair value of approximately $0.1 million. Of the $37.9 million of cash, $6.6 million is being held in an escrow account to reimburse us and our affiliates, if necessary, for certain claims for which they are entitled to be indemnified pursuant to the terms of the agreement and plan of merger with Neighborhood Diabetes.

     We have accounted for the acquisition of Neighborhood Diabetes as a business combination. Under business combination accounting, the assets and liabilities of Neighborhood Diabetes were recorded as of the acquisition date, at their respective fair values, and consolidated with our results. The excess of the purchase price over the fair value of net assets acquired was recorded as goodwill. The operating results of Neighborhood Diabetes have been included in the consolidated financial statements since June 1, 2011, the date the acquisition was completed. If the acquisition had occurred as of January 1, 2010, consolidated revenue would have been approximately $130.0 million and $113.1 million for the nine months ended September 30, 2011 and 2010, respectively. Consolidated net loss would have been approximately $44.1 million and $38.8 million for the nine months ended September 30, 2011 and 2010, respectively. For the three and nine months ended September 30, 2011, we included approximately $10.4 million and $14.1 million of revenue related to pharmacy and testing supplies sold by Neighborhood Diabetes, respectively. The purchase price allocation, including an independent appraisal for intangible assets, has been prepared based on the information that was available to management at the time the consolidated financial statements were prepared, and revisions to the preliminary purchase price allocation will be made as additional information becomes available with respect to the fair value of the net assets acquired. The preliminary purchase price at June 1, 2011 has been allocated as follows (in thousands):

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Calculation of allocable purchase price:
Cash	$	37,855
Common stock		24,432
Contingent consideration obligations		61
Total allocable purchase price	$	62,348
Preliminary allocation of purchase price:
Accounts receivable	$	5,387
Inventories		2,336
Prepaid expenses and other current assets		242
Property and equipment		391
Customer relationships		30,100
Tradenames		2,800
Goodwill		26,727
Other assets		233
Accounts payable		4,109
Accrued expenses		1,700
Other long-term liabilities		59
	$	62,348

     In the three months ended September 30, 2011 we recorded certain adjustments to the initial purchase price accounting. The adjustments to goodwill are as follows (in thousands):

	Purchase accounting adjustments
	offset to goodwill
Collection of fully reserved receivable	$	(543	)
Other		(20	)
Total	$	(563	)

     We incurred transaction costs of approximately $3.2 million, which consisted primarily of banking, legal, accounting and other administrative fees. These costs have been recorded as general and administrative expense in the three and nine months ended September 30, 2011.

Financial Operations Overview

     Revenue. Prior to the acquisition of Neighborhood Diabetes, we derived nearly all of our revenue from the sale of the OmniPod System to customers and third-party distributors who resell the product to customers. Neighborhood Diabetes is a durable medical equipment distributor that sells other diabetes related products including blood glucose testing supplies, insulin pumps, pump supplies and pharmaceuticals to customers. The OmniPod System is comprised of two devices: the OmniPod, a disposable insulin infusion device that the patient wears for up to three days and then replaces; and the PDM, a handheld device much like a personal digital assistant that wirelessly programs the OmniPod with insulin delivery instructions, assists the patient with diabetes management and incorporates a blood glucose meter. We are currently selling our OmniPod System through our partnership with Ypsomed in seven markets, namely Germany, the United Kingdom, France, the Netherlands, Sweden, Norway and Switzerland. We expect that Ypsomed will begin distributing the OmniPod System, subject to approved reimbursement, in the other markets under the agreement in 2012. In February 2011, we entered into a distribution agreement with GSK to become the exclusive distributor of the OmniPod System in Canada. We shipped OmniPods to GSK during the second quarter 2011, and GSK began distributing the OmniPod System in the third quarter 2011. In connection with our June 1, 2011 acquisition of Neighborhood Diabetes, we also provide more than 60,000 Type 1 and Type 2 diabetes patients with blood glucose testing supplies, insulin pumps, pump supplies and pharmaceuticals.

     In March 2008, we received a cash payment from Abbott Diabetes Care, Inc., (“Abbott”), for an agreement fee in connection with execution of the first amendment to the development and license agreement with Abbott. We are recognizing the payment as revenue over the five year term of the agreement. In addition, Abbott agreed to pay us certain amounts for services performed in connection with each sale of a PDM that includes an Abbott Discrete Blood Glucose Monitor to customers in certain territories. We recognize the revenue related to this portion of the Abbott agreement at the time we meet the criteria for revenue recognition, typically at the time of the sale of the PDM to the patient.

     In June 2011, we entered into a development agreement with a U.S. based pharmaceutical company ( the “Development Agreement”). Under the Development Agreement, we are required to perform design, development, regulatory, and other services to support the pharmaceutical company as it works to obtain regulatory approval to use our drug delivery technology as a delivery method for its pharmaceutical. Over the estimated two year term of the Development Agreement, we will invoice amounts as we meet certain defined deliverable milestones. Revenue on the Development Agreement is recognized using a proportional performance methodology based on costs incurred and total payments under the agreement.

     As of September 30, 2011 and December 31, 2010, we had deferred revenue of $2.4 million and $4.8 million, respectively. These amounts include product-related revenue, unrecognized amounts related to the Development Agreement, as well as the unrecognized portion of the agreement fee related to the Abbott agreement. For the year ending December 31, 2011, we expect our revenue to continue to increase as we gain new customers and increase our product offerings to existing customers in the

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United States and continue expansion in Europe, Canada and certain other international markets. Increased revenue will be dependent upon the success of our sales efforts, our ability to produce OmniPods in sufficient volumes and other risks and uncertainties.

     Cost of revenue. Cost of revenue consists primarily of raw material, labor, warranty and overhead costs such as freight, depreciation and packaging costs, related to the OmniPod System and the cost for which we acquire our other products from third party suppliers distributed through our Neighborhood Diabetes business, and costs incurred related to the Development Agreement. On a per unit basis for the OmniPod System, the cost of revenue is expected to be consistent for the remainder of the year. Cost of revenue related to the Neighborhood Diabetes business is expected to reduce our overall gross margin as we resell other diabetes supplies to our combined customers. We have filed for 510(K) clearance from the FDA on our next generation OmniPod. Once approved, we expect improvement in our gross margins in connection with the introduction of this next generation product.

     Research and development. Research and development expenses consist primarily of personnel costs within our product development, regulatory and clinical functions, and the costs of market studies and product development projects, including regulatory approval of our next generation product. We expense all research and development costs as incurred. For the year ending December 31, 2011, we expect overall research and development spending to remain higher than in 2010 as we finalize the validation of our next generation product manufacturing line with Flextronics and work with the regulatory agencies on obtaining approval of the next generation product.

     General and administrative. General and administrative expenses consist primarily of salaries and other related costs for personnel serving the executive, finance, information technology and human resource functions, as well as legal fees, accounting fees, insurance costs, bad debt expenses, shipping, handling and facilities-related costs. We expect general and administrative expenses to remain higher in 2011 compared to 2010, mainly as a result of our acquisition of Neighborhood Diabetes on June 1, 2011.

     Sales and marketing. Sales and marketing expenses consist primarily of personnel costs within our sales, marketing, reimbursement support, customer support and training functions, sales commissions paid to our sales representatives and costs associated with participation in medical conferences, physician symposia and promotional activities, including distribution of units used in our demonstration kit programs. We expect sales and marketing expenses to remain higher in 2011 as compared to 2010 as a result of the growth of our existing business, our acquisition of Neighborhood Diabetes as well as our efforts to enhance the products we offer to our existing patients.

Results of Operations

     The following table presents certain statement of operations information for the three and nine months ended September 30, 2011 and 2010:

	Three months ended												Nine months ended
	September 30,									September 30,
	2011			2010			% Change			2011			2010			% Change
	(in thousands)									(in thousands)
Revenue	$	44,594		$	25,455			75	%	$	105,063		$	69,199			52	%
Cost of revenue		26,033			13,826			88	%		58,431			39,299			49	%
Gross profit		18,561			11,629			60	%		46,632			29,900			56	%
Operating expenses:
Research and development		4,638			3,698			25	%		16,059			12,128			32	%
General and administrative		11,379			7,230			57	%		31,585			20,379			55	%
Sales and marketing		12,312			8,979			37	%		30,943			26,301			18	%
Total operating expenses		28,329			19,907			42	%		78,587			58,808			34	%
Operating loss		(9,768	)		(8,278	)		18	%		(31,955	)		(28,908	)		11	%
Other expense, net		(3,794	)		(3,822	)		1	%		(10,876	)		(11,393	)		5	%
Net loss	$	(13,562	)	$	(12,100	)		12	%	$	(42,831	)	$	(40,301	)		6	%

Comparison of the Three and Nine Months Ended September 30, 2011 and 2010

Revenue

     Our total revenue was $44.6 million and $105.1 million for the three and nine months ended September 30, 2011, compared to $25.5 million and $69.2 million for the same periods in 2010. The increase in revenue is primarily due to continued adoption of the OmniPod System by patients in the United States and internationally, as well of the sale of testing and other supplies related to our acquisition of Neighborhood Diabetes. We expect our revenue to increase as we continue to add new patients, introduce the OmniPod System in additional territories, generate a higher volume of reorders based on our expanding patient base and continue to realize revenue growth from our Neighborhood Diabetes business.

Cost of Revenue

     Cost of revenue was $26.0 million and $58.4 million for the three and nine months ended September 30, 2011, compared to $13.8 million and $39.3 million for the same periods in 2010. The increase in cost of revenue is primarily due to a significant increase in sales volume offset by cost efficiencies related to the bill of material and production volume on our OmniPod System as well as the impact on cost of sales of the lower gross margin profile Neighborhood Diabetes business. We expect gross margins for the remainder of the year in the range of 42% to 45% of revenue.

Research and Development

     Research and development expenses increased $0.9 million, or 25%, to $4.6 million for the three months ended September 30, 2011, compared to $3.7 million for the same period in 2010. For the three months ended September 30, 2011, the increase was primarily a result of $0.9 million of testing and tooling expenses on the current version of the OmniPod and an increase of $0.6 million in employee related expenses. These increases are offset by a $0.7 million decrease in expenses related to our next generation OmniPod System as we move closer to production.

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     Research and development expenses increased $4.0 million, or 32%, to $16.1 million for the nine months ended September 30, 2011, compared to $12.1 million for the same period in 2010. For the nine months ended September 30, 2011, the increase was primarily a result of $0.6 million of additional materials and equipment utilized in the development of our next generation OmniPod System, a $1.6 million increase in employee related expenses, $0.9 million in other outside services, and $0.6 million increase in depreciation.

General and Administrative

     General and administrative expenses increased $4.2 million, or 57%, to $11.4 million for the three months ended September 30, 2011, compared to $7.2 million for the same period in 2010. This increase was primarily a result of an increase in employee related expenses of $2.1 million, including $1.1 million related to Neighborhood Diabetes and $0.8 million related to new hires, merit increases and stock based compensation, $0.4 million related to higher legal fees, and a $1.7 million of amortization on acquired intangibles.

     General and administrative expenses increased $11.2 million, or 55%, to $31.6 million for the nine months ended September 30, 2011, compared to $20.4 million for the same period in 2010. This increase was primarily a result of $3.2 million of transaction costs for the acquisition of Neighborhood Diabetes, $0.9 million related to higher audit and legal fees, $2.2 million of amortization on acquired intangibles, and an increase in employee related expenses of $4.9 million, including $2.0 million related to the acquisition of Neighborhood Diabetes and $2.9 million related to new hires, merit increases, bonus and stock based compensation.

Sales and Marketing

     Sales and marketing expenses increased $3.3 million, or 37%, to $12.3 million for the three months ended September 30, 2011, compared to $9.0 million for the same period in 2010. This increase in sales and marketing expenses was due to an increase of $2.0 million in employee related expenses, including $1.9 million from the acquisition of Neighborhood Diabetes, an increase of $0.4 million in shipping costs related to Neighborhood Diabetes, an increase of $0.3 million in customer support due to a higher patient volume, and $0.3 million in advertising expenses.

     Sales and marketing expenses increased $4.6 million, or 18%, to $30.9 million for the nine months ended September 30, 2011, compared to $26.3 million for the same period in 2010. The increase in sales and marketing expenses for the nine months ended September 30, 2011 was due to an increase of $3.1 million in employee related expenses, including $2.1 million from Neighborhood Diabetes, an increase of $0.8 million in outside services and an increase of $0.4 million in shipping costs related to Neighborhood Diabetes, and $0.3 million increase for patient training.

Other Expense, Net

     Net interest expense was $3.8 million for the three months ended September 30, 2011, compared to $3.8 million for the same period in 2010. Net interest expense was $10.9 million for the nine months ended September 30, 2011, compared to $11.4 million for the same period in 2010. Net interest expense remained relatively consistent due to additional cash and non-cash interest expense related to the issuance of the 3.75% Notes which was offset by the decrease in the interest expense related to the Facility Agreement, which was repaid in 2010 and the repurchase of a portion of our 5.375% Notes.

Liquidity and Capital Resources

     We commenced operations in 2000 and to date we have financed our operations primarily through private placements of common and preferred stock, secured indebtedness, public offerings of our common stock and issuances of convertible debt. On June 1, 2011, we acquired all of the outstanding shares of Neighborhood Diabetes. The aggregate purchase price of approximately $62.4 million included approximately $37.9 million in cash paid at closing. As of September 30, 2011, we had $103.8 million in cash and cash equivalents. We believe that our current cash and cash equivalents, together with the cash expected to be generated from product sales, will be sufficient to meet our projected operating and debt service requirements for at least the next twelve months.

Equity

     In June 2010, the lenders under the Facility Agreement exercised warrants to acquire 2,125,000 shares of our common stock at an exercise price of $3.13 per share. We received cash totaling $6.7 million as a result of this exercise.

     In December 2010, we issued and sold 3,450,000 shares of our common stock at a price of $13.27 per share. In connection with the offering, we received total gross proceeds of $47.8 million, or approximately $45.4 million in net proceeds after deducting underwriting discounts and offering expenses. Approximately $33.3 million of the proceeds was used to repay all amounts outstanding under our Facility Agreement.

     In June 2011, in connection with the acquisition of Neighborhood Diabetes, we issued 1,197,631 shares of our common stock with a value of $20.40 per share on the issuance date, as partial consideration for the acquisition.

Long-Term Debt

     At September 30, 2011 and December 31, 2010, we had outstanding long-term debt and related deferred financing costs on our balance sheet as follows (in thousands):

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	As of
	September 30, 2011			December 31, 2010
Liabilities:
Principal amount of the 5.375% Convertible Notes	$	15,000		$	85,000
Principal amount of the 3.75% Convertible Notes		143,750			—
Unamortized discount of liability component		(52,431	)		(15,567	)
	$	106,319		$	69,433
Deferred financing costs	$	2,660		$	1,173

     Interest expense related to the Notes and Facility Agreement was included in interest expense on the consolidated statements of operations as follows (in thousands):

	Three months ended				Nine months ended
	September 30, 2011		September 30, 2010		September 30, 2011		September 30, 2010
Contractual coupon interest	$	1,549	$	1,838	$	3,834	$	5,501
Accretion of debt discount		2,143		1,887		4,992		5,493
Amortization of debt issuance costs		146		214		389		654
	$	3,838	$	3,939	$	9,215	$	11,648

5.375% Convertible Notes

     In June 2008, we sold $85.0 million principal amount of 5.375% Convertible Senior Notes due June 15, 2013 (the “5.375% Notes”) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended. The interest rate on the notes is 5.375% per annum on the principal amount from June 16, 2008, payable semi-annually in arrears in cash on December 15 and June 15 of each year. The 5.375% Notes are convertible into our common stock at an initial conversion rate of 46.8467 shares of common stock per $1,000 principal amount of the 5.375% Notes, which is equivalent to a conversion price of approximately $21.35 per share, representing a conversion premium of 34% to the last reported sale price of our common stock on the NASDAQ Global Market on June 10, 2008, subject to adjustment under certain circumstances, at any time beginning on March 15, 2013 or under certain other circumstances and prior to the close of business on the business day immediately preceding the final maturity date of the notes. The 5.375% Notes will be convertible for cash up to their principal amount and shares of our common stock for the remainder of the conversion value in excess of the principal amount.

     If a fundamental change, as defined in the Indenture for the 5.375% Notes, occurs at any time prior to maturity, holders of the 5.375% Notes may require us to repurchase their notes in whole or in part for cash equal to 100% of the principal amount of the notes to be repurchased, plus accrued and unpaid interest, including any additional interest, to, but excluding, the date of repurchase. If a holder elects to convert its 5.375% Notes upon the occurrence of a make-whole fundamental change, as defined in the Indenture for the 5.375% Notes, the holder may be entitled to receive an additional number of shares of common stock on the conversion date. These additional shares are intended to compensate the holders for the loss of the time value of the conversion option and are set forth in the Indenture to the 5.375% Notes. In no event will the number of shares issuable upon conversion of a note exceed 62.7746 per $1,000 principal amount (subject to adjustment as described in the Indenture for the 5.375% Notes).

     We recorded a debt discount of $26.9 million to equity to reflect the value of our nonconvertible debt borrowing rate of 14.5% per annum. This debt discount is being amortized as interest expense over the five year term of the 5.375% Notes. We incurred deferred financing costs related to this offering of approximately $3.5 million, of which $1.1 million has been reclassified as an offset to the value of the amount allocated to equity. The remainder is recorded as other assets in the consolidated balance sheet and is being amortized as a component of interest expense over the five year term of the 5.375% Notes.

     On June 29, 2011, in connection with the issuance of $143.8 million of 3.75% Convertible Notes due June 2016 (the “3.75% Notes”), we repurchased $70 million in principal amount of the 5.375% Notes for $85.1 million, a 21.5% premium on the principal amount. The investors that held the $70 million of repurchased 5.375% Notes purchased $59.5 million in principal amount of the 3.75% Notes and retained approximately $13.5 million of the remaining 5.375% Notes. The investors’ combined $73.0 million of convertible debt ($13.5 million of 5.375% Notes and $59.5 million of 3.75% Notes) were considered to be a modification of a portion of the 5.375% Notes. See “3.75% Convertible Notes” for additional detail on the modification.

     Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the $85 million of principal 5.375% Notes was $3.1 million in the nine months ended September 30, 2011. There was no non-cash interest expense in the three months ended September 31, 2011. Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the $85 million of principal 5.375% Notes was $1.4 million and $4.1 million in the three and nine months ended September 30, 2010, respectively.

     Cash interest expense related to the 5.375% Notes was $0.2 million and $2.5 million in the three and nine months ended September 30, 2011, respectively. Cash interest expense related to the 5.375% Notes was $1.1 million and $3.4 million for the three and nine months ended September 30, 2010, respectively.

     As of September 30, 2011, we included $1.3 million on our balance sheet related to the unmodified portion of the 5.375% Notes. The 5.375% Notes have a remaining term of 1.75 years.

Facility Agreement and Common Stock Warrants

     In March 2009, we entered into the facility agreement with certain institutional accredited investors (the“Facility Agreement”), pursuant to which the investors agreed to loan us up to $60 million, subject to the terms and conditions set forth in the Facility Agreement. Total financing costs, including the transaction fee, were $3.0 million

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and were amortized as interest expense over the 42 months of the Facility Agreement. In September 2009, we entered into an amendment to the Facility Agreement whereby we repaid the $27.5 million originally drawn and promptly drew down the remaining $32.5 million available under the Facility Agreement. The annual interest rate was 8.5%, payable quarterly in arrears. In connection with the amendment to the Facility Agreement, we entered into a securities purchase agreement with the lenders whereby we sold 2,855,659 shares of our common stock to the lenders at $9.63 per share, a $1.9 million discount based on the closing price of our common stock of $10.28 on that date. We recorded the $1.9 million as a debt discount which was amortized as interest expense over the remaining term of the loan. We received aggregate proceeds of $27.5 million in connection with the sale of our shares. All principal amounts outstanding under the Facility Agreement were payable in September 2012.

     In connection with the execution of the Facility Agreement, we issued to the lenders fully exercisable warrants to purchase an aggregate of 3.75 million shares of our common stock at an exercise price of $3.13 per share. The warrants qualified for permanent treatment as equity, and their relative fair value of $6.1 million on the issuance date was recorded as additional paid-in capital and debt discount. The debt discount was amortized as non-cash interest expense over the term of the loan. As of September 30, 2011, all warrants to acquire 3.75 million shares of our common stock issued in connection with the Facility Agreement were exercised.

     In December 2010, we paid $33.3 million to the lenders, of which $32.5 million related to principal and $0.8 million related to interest and prepayment fees, to extinguish this debt. We recorded a non-cash interest charge of $7.0 million in the fourth quarter of 2010 related to the write-off of the remaining debt discounts and financing costs included in other assets which were being amortized to interest expense over the term of the debt. At September 30, 2011 and December 31, 2010, there were no amounts related to the Facility Agreement included in long-term debt on our balance sheet.

     As the Facility Agreement was repaid in December 2010, no amounts were included in interest expense in the consolidated statements of operations in the three and nine months ended September 30, 2011.

     3.75% Convertible Notes

     In June 2011, we sold $143.8 million principal amount of the 3.75% Notes. The interest rate on the notes is 3.75% per annum, payable semi-annually in arrears in cash on December 15 and June 15 of each year. The 3.75% Notes are convertible into our common stock at an initial conversion rate of 38.1749 shares of common stock per $1,000 principal amount of the 3.75% Notes, which is equivalent to a conversion price of approximately $26.20 per share, subject to adjustment under certain circumstances. The 3.75% Notes are convertible prior to March 15, 2016 only upon the occurrence of certain circumstances. On and after March 15, 2016 and prior to the close of business on the second scheduled trading day immediately preceding the final maturity date of the 3.75% Notes, the notes may be converted without regard to the occurrence of any such circumstances. The 3.75% Notes and any unpaid interest will be convertible at our option for cash, shares of our common stock or a combination of cash and shares of our common stock for the principal amount. We intend to settle the principal in cash.

     We may not redeem the 3.75% Notes prior to June 20, 2014. From June 20, 2014 to June 20, 2015, we may redeem the 3.75% Notes, at our option, in whole or in part only if the last reported sale price per share of our common stock has been at least 130% of the conversion price then in effect for at least 20 trading days during a period of 30 consecutive trading days. On and after June 25, 2015, we may redeem the 3.75% Notes, at our option (without regard to such sale price condition), in whole or in part. If a fundamental change, as defined in the Indenture for the 3.75% Notes, occurs at any time prior to maturity, holders of the 3.75% Notes may require us to repurchase their notes in whole or in part for cash equal to 100% of the principal amount of the notes to be repurchased, plus accrued and unpaid interest. If a holder elects to convert its 3.75% Notes upon the occurrence of a make-whole fundamental change, as defined in the Indenture for the 3.75% Notes, the holder may be entitled to receive an additional number of shares of common stock on the conversion date. These additional shares are intended to compensate the holders for the loss of the time value of the conversion option and are set forth in the Indenture to the 3.75% Notes. In no event will the number of shares issuable upon conversion of a 3.75% Note exceed 50.5816 per $1,000 principal amount (subject to adjustment as described in the Indenture for the 3.75% Notes). The 3.75% Notes are unsecured and are equal in right of payment to the 5.375% Notes.

     We evaluated certain features of the 3.75% Notes to determine whether these features are derivatives which should be bifurcated and valued. We identified certain features related to a portion of the 3.75% Notes, including the holders’ ability to require us to repurchase their notes and the higher interest payments required in an event of default, which are considered embedded derivatives and should be valued. We assess the value of each of these embedded derivatives at each balance sheet date. At September 30, 2011, we determined that these derivatives have de minimus value.

     In connection with the issuance of the 3.75% Notes, we repurchased $70 million in principal amount of the 5.375% Notes for $85.1 million, a 21.5% premium on the principal amount. The investors that held the $70 million of repurchased 5.375% Notes purchased $59.5 million in principal amount of the 3.75% Notes and retained approximately $13.5 million of the remaining 5.375% Notes. This transaction was treated as a modification of the existing 5.375% Notes. We accounted for this modification of a portion of the 5.375% Notes separately from the issuance of the remainder of the 3.75% Notes.

     Prior to the transaction, the $70 million principal of repurchased 5.375% Notes had a debt discount of $10.5 million. This amount remained in debt discount related to the modified $13.5 million of 5.375% Notes and $59.5 million of 3.75% Notes. We recorded additional debt discount of $15.1 million related to the premium payment in connection with the repurchase and $0.2 million related to the increase in the value of the conversion feature. The offset to the debt discount related to the value of the conversion feature was recorded as additional paid-in capital. The total debt discount of $25.8 million related to the modified debt is being amortized as interest expense at the effective rate of 16.5% over the five year term of the modified debt. We paid transaction fees of approximately $2.0 million related to the modification which were recorded as interest expense in the nine months ended September 30, 2011. Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on $73 million of the modified debt was $1.2 million in the three and nine months ended September 30, 2011 As the debt was considered to be modified in connection with the issuance of 3.75% Notes in June 2011, there was no non-cash interest expense related to the modified debt in the three and nine months ended September 30, 2010.

     Of the $143.8 million of 3.75% Notes issued in June 2011, $84.3 million was considered to be an issuance of new debt. We recorded a debt discount of $26.6 million related to the $84.3 million. We included $58.7 million on our balance sheet related to these notes at September 30, 2011. The debt discount was recorded as additional paid-in capital to reflect the value of our nonconvertible debt borrowing rate of 12.4% per annum. This debt discount is being amortized as interest expense over the five year term of the 3.75% Notes. We incurred deferred financing costs related to this offering of approximately $2.8 million, of which $0.9 million has been reclassified as an offset to the value of the amount allocated to equity. The remainder is recorded as other assets in the consolidated balance sheet and is being amortized as a component of interest expense over the five year term of the 3.75% Notes. Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the new portion of the 3.75% Notes was $1.1 million in the three and nine months ended September 30, 2011. There was no non-cash interest recorded on the new portion of the 3.75% Notes in the three and nine months ended September 30, 2010.

     Cash interest expense related to the $143.8 million of 3.75% Notes was $1.3 million in the three and nine months ended September 30, 2011. No cash interest was recorded on the 3.75% Notes in the three and nine months ended September 30, 2010.

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     As of September 30, 2011, the 3.75% Notes have a remaining term of 4.75 years.

Operating Activities

     The following table sets forth the amounts of cash used in operating activities and net loss for each of the periods indicated:

	Nine months ended
	September 30,
	2011			2010
	(In thousands)
Cash used in operating activities	$	(17,784	)	$	(27,922	)
Net loss	$	(42,831	)	$	(40,301	)

     For each of the periods above, the net cash used in operating activities was attributable primarily to the growth of our operations after adjustment for non-cash expenses. Adjustments for non-cash items were approximately $20.4 million and $17.6 million in the nine months ended September 30, 2011 and September 30, 2010, respectively. Non-cash items mainly consist of depreciation and amortization, stock-based compensation and non-cash interest expense. Uses of cash from operations in the nine months ended September 30, 2011 include a decrease in deferred revenue of $2.1 million. Uses of cash from operations in the nine months ended September 30, 2011 were offset by a reduction in accounts receivable of $3.8 million, primarily attributable to improved collections, and an increase of $1.9 million in accounts payable and accruals.

Investing and Financing Activities

     The following table sets forth the amounts of cash used in investing activities and cash provided by financing activities for each of the periods indicated:

	Nine months ended
	September 30,
	2011			2010
	(In thousands)
Cash used in investing activities	$	(46,693	)	$	(3,632	)
Cash provided by financing activities	$	55,015		$	7,476

     Cash used in investing activities in the nine months ended September 30, 2011 primarily related to the acquisition of Neighborhood Diabetes. We paid approximately $37.9 million in cash as partial consideration. In addition, we purchased fixed assets primarily for use in the development and manufacturing of the OmniPod System. In the nine months ended September 30, 2010, cash used in investing activities was primarily for the purchase of fixed assets for use in the development and manufacturing of the OmniPod System. Capital expenditures are expected to continue to increase in 2011 as we complete our first manufacturing line for our next generation product.

     In the nine months ended September 30, 2011 cash provided by financing activities related to the net proceeds from the issuance of the 3.75% Notes, offset by the repurchase of $70 million principal of the 5.375% Notes for $85.1 million. Cash provided by financing activities in the nine months ended September 30, 2010 mainly consisted of the net proceeds from the issuance of common stock in connection with the exercise of employee stock options.

Contractual Obligations

     We lease our facilities, which are accounted for as operating leases. The lease of our facilities in Bedford and Billerica, Massachusetts, generally provides for a base rent plus real estate taxes and certain operating expenses related to the lease. In addition, in connection with our acquisition of Neighborhood Diabetes, we acquired leases of facilities in Woburn, Massachusetts, Brooklyn, New York and Orlando, Florida. As of September 30, 2011, we had an outstanding letter of credit which totaled $0.1 million to cover our security deposits for lease obligations. As a result of the leases acquired, we expect to pay additional rent of $0.1 million in 2011, $0.5 million in 2012 and $0.3 million in 2013.

     As a result of the issuance of the 3.75% Notes and the repurchase of $70 million of the 5.375% Notes in June 2011, we expect to pay cash interest of $5.4 million in 2011, $6.2 million in 2012, $5.7 million in 2013, $5.4 million in 2014 and 2015 and $2.5 million in 2016. Additionally we expect to repay the $15 million of the 5.375% Notes in 2013 and the $143.8 million of the 3.75% Notes in 2016.

Off-Balance Sheet Arrangements

     As of September 30, 2011, we did not have any off-balance sheet financing arrangements.

Critical Accounting Policies and Estimates

     Our financial statements are based on the selection and application of generally accepted accounting principles, which require us to make estimates and assumptions about future events that affect the amounts reported in our financial statements and the accompanying notes. Future events and their effects cannot be determined with certainty. Therefore, the determination of estimates requires the exercise of judgment. Actual results could differ from those estimates, and any such differences may be material to our financial statements. We believe that the policies set forth below may involve a higher degree of judgment and complexity in their application than our other accounting policies and represent the critical accounting policies and estimates used in the preparation of our financial statements. If different assumptions or conditions were to prevail, the results could be materially different from our reported results.

Revenue Recognition

     We generate nearly all of our revenue from sales of our OmniPod Insulin Management System and other diabetes related products including blood glucose testing supplies, insulin pumps, pump supplies and pharmaceuticals to customers and third-party distributors who resell the product to patients with diabetes.

     Revenue recognition requires that persuasive evidence of a sales arrangement exists, delivery of goods occurs through transfer of title and risk and rewards of ownership, the selling price is fixed or determinable and collectability is reasonably assured. With respect to these criteria:

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• The evidence of an arrangement generally consists of a physician order form, a patient information form, and if applicable, third-party insurance approval for sales directly to patients or a purchase order for sales to a third-party distributor.

• Transfer of title and risk and rewards of ownership are passed to the patient or third-party distributor typically upon shipment of the products.

• The selling prices for all sales are fixed and agreed with the patient or third-party distributor, and, if applicable, the patient’s third-party insurance provider(s) prior to shipment and are based on established list prices or, in the case of certain third-party insurers, contractually agreed upon prices. Provisions for discounts and rebates to customers are established as a reduction to revenue in the same period the related sales are recorded.

     We assess whether the different elements qualify for separate accounting. We recognize revenue once all elements have been delivered.

     We offer a 45-day right of return for our OmniPod Insulin Management System Starter Kits sales, and we defer revenue to reflect estimated sales returns in the same period that the related product sales are recorded. Returns are estimated through a comparison of historical return data to their related sales. Historical rates of return are adjusted for known or expected changes in the marketplace when appropriate. Historically, sales returns have amounted to approximately 3% of gross product sales.

     When doubt exists about reasonable assuredness of collectability from specific customers, we defer revenue from sales of products to those customers until payment is received.

     In March 2008, we received a cash payment from Abbott for an agreement fee in connection with execution of the first amendment to the development and license agreement between us and Abbott. We recognize the agreement fee received from Abbott over the initial five year term of the agreement, and the non-current portion of the agreement fee is included in other long-term liabilities. In addition, Abbott agreed to pay us certain amounts for services performed in connection with each sale of a PDM that includes an Abbott Discrete Blood Glucose Monitor to customers in certain territories. We recognize revenue related to this portion of the Abbott agreement at the time we meet the criteria for revenue recognition, typically at the time the revenue is recognized on the sale of the PDM to the patient.

     In June 2011, we entered into the Development Agreement. Under the Development Agreement, we are required to perform design, development, regulatory, and other services to support the pharmaceutical company as it works to obtain regulatory approval to use our drug delivery technology as a delivery method for its pharmaceutical. Over the estimated two year term of the Development Agreement, we will invoice amounts as we meet certain defined deliverable milestones. Revenue on the Development Agreement is recognized using a proportional performance methodology based on costs incurred and total payments under the agreement.

     We had deferred revenue of $2.4 million as of September 30, 2011. The deferred revenue recorded as of September 30, 2011 was comprised of product-related revenue, unrecognized amounts related to the Development Agreement, as well as the non-amortized agreement fee related to the Abbott agreement.

Income Taxes

     FASB Accounting Standards Codification 740-10, Income Taxes (“FASB ASC 740-10”), clarifies the accounting for uncertainty in income taxes recognized in an entity’s financial statements. FASB ASC 740-10 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In addition, FASB ASC 740-10 provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure and transition. As of September 30, 2011, we had $0.2 million of unrecognized tax benefits recorded.

Stock-Based Compensation

     We account for stock-based compensation under the provisions of FASB ASC 718-10, Compensation — Stock Compensation. (“FASB ASC 718-10”) requires all share-based payments to employees, including grants of employee stock options, to be recognized in the income statement based on their fair values.

     We use the Black-Scholes option pricing model to determine the weighted average fair value of options granted. We determine the intrinsic value of restricted stock and restricted stock units based on the closing price of our common stock on the date of grant. We recognize the compensation expense of share-based awards on a straight-line basis over the vesting period of the award.

     The determination of the fair value of share-based payment awards utilizing the Black-Scholes model is affected by the stock price and a number of assumptions, including expected volatility, expected life, risk-free interest rate and expected dividends. The expected life of the awards is estimated based on the midpoint between the vesting date and the end of the contractual term. The risk-free interest rate assumption is based on observed interest rates appropriate for the terms of the awards. The dividend yield assumption is based on company history and expectation of paying no dividends. Forfeitures are estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. Stock-based compensation expense recognized in the financial statements is based on awards that are ultimately expected to vest. We evaluate the assumptions used to value the awards on a quarterly basis and if factors change and different assumptions are utilized, stock-based compensation expense may differ significantly from what has been recorded in the past. If there are any modifications or cancellations of the underlying unvested securities, we may be required to accelerate, increase or cancel any remaining unearned stock-based compensation expense.

     In the three and nine months ended September 30, 2011, we recorded $1.8 million and $5.6 million of stock based compensation expense, respectively. In the three and nine months ended September 30, 2010, we recorded $1.3 million and $4.0 million of stock based compensation expense, respectively.

Accounts Receivable and Allowance for Doubtful Accounts

     Accounts receivable consist of amounts due from third-party payors, patients, third-party distributors and government agencies. The allowance for doubtful accounts is recorded in the period in which revenue is recorded or at the time potential collection risk is identified. We estimate our allowance based on historical experience, assessment of specific risk, discussions with individual customers and various assumptions and estimates that we believe to be reasonable under the circumstances.

Intangibles and Other Long-Lived Assets

     Our finite-lived intangible assets are stated at cost less accumulated amortization. We assess our intangible and other long-lived assets for impairment, whenever events or changes in circumstances suggest that the carrying value of an asset may not be recoverable. At September 30, 2011, intangibles assets related to the acquisition of Neighborhood Diabetes and consisted of $27.9 million of customer relationships and $2.7 million of tradenames. We assess the need for an impairment of intangibles and other long-lived assets if the carrying amount of the asset is not recoverable based on its undiscounted future cash flows. Any such impairment loss is measured as the difference between the carrying amount and the fair value of the asset. The estimation of useful lives and expected cash flows requires us to make significant judgments regarding future periods that are subject to some factors outside its control. Changes in these estimates can result in significant revisions to the carrying value of these assets and may result in material charges to the results of operations. The estimated life of the acquired tradename is fifteen years. The estimated life of the acquired customer relationships asset is ten years. Intangible assets with determinable estimated lives are amortized over these lives.

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Goodwill

     Goodwill represents the excess of the cost of the acquired Neighborhood Diabetes business over the fair value of identifiable net assets acquired. We perform an assessment of our goodwill for impairment on at least an annual basis or whenever events or changes in circumstances indicate there might be impairment.

     Goodwill is evaluated at the reporting unit level. To test for impairment, we compare the carrying value of the reporting unit to its fair value. If the reporting unit’s carrying value exceeds its fair value, we would record an impairment loss to the extent that the carrying value of goodwill exceeds its implied fair value.

Warranty

     We provide a four year warranty on our PDMs and may replace any OmniPods that do not function in accordance with product specifications. We estimate our warranty at the time the product is shipped based on historical experience and the estimated cost to service the claims. Cost to service the claims reflects the current product cost which has been decreasing over time. As these estimates are based on historical experience, and we continue to introduce new versions of existing products, we also consider the anticipated performance of the product over its warranty period in estimating warranty reserves. At September 30, 2011 and December 31, 2010, the warranty reserve was $1.9 million.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

     We do not use derivative financial instruments in our investment portfolio and have no foreign exchange contracts. Our financial instruments consist of cash, cash equivalents, accounts receivable, accounts payable, accrued expenses and long-term obligations. We consider investments that, when purchased, have a remaining maturity of 90 days or less to be cash equivalents. The primary objectives of our investment strategy are to preserve principal, maintain proper liquidity to meet operating needs and maximize yields. To minimize our exposure to an adverse shift in interest rates, we invest mainly in cash equivalents. We do not believe that a 10% change in interest rates would have a material impact on the fair value of our investment portfolio or our interest income.

     As of September 30, 2011, we had outstanding debt recorded on our consolidated balance sheet of $15.0 million related to our 5.375% Notes and $143.8 million related to our 3.75% Notes. These amounts were offset by related debt discounts of $52.4 million. As the interest rate on the 5.375% and 3.75% Notes is fixed, changes in interest rates do not affect the value of our debt.

Item 4. Controls and Procedures

Disclosure Controls and Procedures

     As of September 30, 2011, our management conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures, (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended) under the supervision and with the participation of our chief executive officer and chief financial officer. In designing and evaluating our disclosure controls and procedures, we and our management recognize that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and our management necessarily was required to apply its judgment in evaluating and implementing possible controls and procedures. Based upon that evaluation of our disclosure controls and procedures as of September 30, 2011, our chief executive officer and chief financial officer concluded that as of such date, our disclosure controls and procedures were effective to provide reasonable assurance that material information required to be disclosed in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms, including ensuring that such material information is accumulated and communicated to our management, including our chief executive officer and our chief financial officer, as appropriate to allow timely decisions regarding required disclosure.

Changes in Internal Control Over Financial Reporting

     There were no changes in our internal control over financial reporting that occurred during the three months ended September 30, 2011 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II — OTHER INFORMATION

Item 1. Legal Proceedings

     In August 2010, Becton, Dickinson and Company, (“BD”), filed a lawsuit in the United States District Court in the State of New Jersey against us alleging that the OmniPod Insulin Management System (the “OmniPod System”) infringes three of its patents. BD seeks a declaration that we have infringed its patents, equitable relief, including an injunction that would enjoin us from infringing these patents, and an unspecified award for monetary damages. We believe that the OmniPod System does not infringe these patents. We do not expect this litigation to have a material adverse impact on our financial position or results of operations. We believe we have meritorious defenses to this lawsuit; however, litigation is inherently uncertain and there can be no assurance as to the ultimate outcome or effect of this action.

     We are, from time to time, involved in the normal course of business in various legal proceedings, including intellectual property, contract employment and product liability suits. Although we are unable to quantify the exact financial impact of any of these matters, we believe that none of these currently pending matters will have an outcome material to our financial condition or business.

Item 1A. Risk Factors

     In addition to the other information set forth in this report, you should carefully consider the factors discussed in Part I, Item 1A. “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2010 as well as the factors discussed in part II, Item 1A. “Risk Factors” in our Quarterly Report on Form 10-Q for the quarter ended June 30, 2011, which could materially affect our business, financial condition or future results. These risks are not the only risks we face. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition and/or operating results. There have been no material changes in our risk factors from those disclosed in our Annual Report on Form 10-K for the year ended December 31, 2010 and in our Quarterly Report on Form 10-Q for the quarter ended June 30, 2011.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

     None.

Item 3. Defaults Upon Senior Securities

     None.

Item 4. (Removed and Reserved)

Item 5. Other Information

     None.

Item 6. Exhibits

Exhibit
Number	Description of Document
31.1	Certification of Duane DeSisto, President and Chief Executive Officer, pursuant to Rule 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Brian Roberts, Chief Financial Officer, pursuant to Rule 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification of Duane DeSisto, President and Chief Executive Officer, and Brian Roberts, Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101§	The following financial statements from Insulet Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2011, as filed with the SEC on November 8, 2011, formatted in XBRL (eXtensible Business Reporting Language), as follows:
	(i) Consolidated Balance Sheets as of September 30, 2011 and December 31, 2010 (Unaudited)
	(ii) Consolidated Statements of Operations for the Three and Nine Months Ended September 30, 2011 and September 30, 2010 (Unaudited)
	(iii) Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2011 and September 30, 2010 (Unaudited)
	(iv) Notes to Condensed Consolidated Financial Statements (Unaudited)

§ As provided in Rule 406T of Regulation S-T, this information is furnished and not filed for purposes of Sections 11 and 12 of the Securities Act of 1933, as amended, and Section 18 of the Securities Exchange Act of 1934, as amended.

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SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	INSULET CORPORATION (Registrant)
Date: November 8, 2011	/s/ Duane DeSisto
	Duane DeSisto
	President and Chief Executive Officer (Principal Executive Officer)
Date: November 8, 2011	/s/ Brian Roberts
	Brian Roberts
	Chief Financial Officer (Principal Financial and Accounting Officer)

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EXHIBIT INDEX

Exhibit
Number	Description of Document
31.1	Certification of Duane DeSisto, President and Chief Executive Officer, pursuant to Rule 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Brian Roberts, Chief Financial Officer, pursuant to Rule 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification of Duane DeSisto, President and Chief Executive Officer, and Brian Roberts, Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101§	The following financial statements from Insulet Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2011, as filed with the SEC on November 8, 2011, formatted in XBRL (eXtensible Business Reporting Language), as follows:
	(i) Consolidated Balance Sheets as of September 30, 2011 and December 31, 2010 (Unaudited)
	(ii) Consolidated Statements of Operations for the Three and Nine Months Ended September 30, 2011 and September 30, 2010 (Unaudited)
	(iii) Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2011 and September 30, 2010 (Unaudited)
	(iv) Notes to Condensed Consolidated Financial Statements (Unaudited)

§ As provided in Rule 406T of Regulation S-T, this information is furnished and not filed for purposes of Sections 11 and 12 of the Securities Act of 1933, as amended, and Section 18 of the Securities Exchange Act of 1934, as amended.

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EX-31.1

Exhibit 31.1

CERTIFICATION

I, Duane DeSisto, certify that:

     (1) I have reviewed this Quarterly Report on Form 10-Q of Insulet Corporation;

     (2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

     (3) Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

     (4) The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

     (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

     (b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

     (c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

     (d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

     (5) The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

     (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

     (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ Duane DeSisto  

Duane DeSisto 

President and Chief Executive Officer 

November 8, 2011

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Brian Roberts, certify that:

     (1) I have reviewed this Quarterly Report on Form 10-Q of Insulet Corporation;

     (2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

     (3) Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

     (4) The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

     (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

     (b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

     (c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

     (d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

     (5) The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

     (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

     (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ Brian Roberts  

Brian Roberts 

Chief Financial Officer 

November 8, 2011

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

     Pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers of Insulet Corporation, a Delaware corporation (the “Company”), does hereby certify with respect to the Quarterly Report of the Company on Form 10-Q for the period ended September 30, 2011, as filed with the Securities and Exchange Commission (the “Report”) that, to his knowledge:

     (1) the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

     (2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Duane DeSisto
Name:	Duane DeSisto
Title:	President and Chief Executive Officer

Date: November 8, 2011

/s/ Brian Roberts
Name:	Brian Roberts
Title:	Chief Financial Officer

Date: November 8, 2011

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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Stockholders' Equity
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	47,386,448	45,440,839
Common Stock, shares outstanding	47,386,448	45,440,839

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Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements of Operations [Abstract]
Revenue	$ 44,594	$ 25,455	$ 105,063	$ 69,199
Cost of revenue	26,033	13,826	58,431	39,299
Gross profit	18,561	11,629	46,632	29,900
Operating expenses:
Research and development	4,638	3,698	16,059	12,128
General and administrative	11,379	7,230	31,585	20,379
Sales and marketing	12,312	8,979	30,943	26,301
Total operating expenses	28,329	19,907	78,587	58,808
Operating loss	(9,768)	(8,278)	(31,955)	(28,908)
Interest income	31	49	107	109
Interest expense	(3,825)	(3,871)	(10,983)	(11,502)
Other expense, net	(3,794)	(3,822)	(10,876)	(11,393)
Net loss	$ (13,562)	$ (12,100)	$ (42,831)	$ (40,301)
Net loss per share basic and diluted	$ (0.29)	$ (0.30)	$ (0.92)	$ (1.04)
Weighted average number of shares used in calculating basic and diluted net loss per share	47,321,989	40,155,277	46,442,236	38,784,692

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Document and Entity Information (USD $) In Millions, except Share data	9 Months Ended
	Sep. 30, 2011	Nov. 03, 2011	Jun. 30, 2010
Document and Entity Information [Abstract]
Entity Registrant Name	INSULET CORP
Entity Central Index Key	0001145197
Document Type	10-Q
Document Period End Date	Sep. 30, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 570.6
Entity Common Stock, Shares Outstanding		47,393,824

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Net Loss Per Share

9 Months Ended

Sep. 30, 2011

Net Loss Per Share [Abstract]

Net Loss Per Share

7. Net Loss Per Share

     Basic net loss per share is computed by dividing net loss by the weighted average number of common shares outstanding for the period, excluding unvested restricted common shares. Diluted net loss per share is computed using the weighted average number of common shares outstanding and, when dilutive, potential common share equivalents from options, restricted stock units, and warrants (using the treasury-stock method), and potential common shares from convertible securities (using the if-converted method). Because the Company reported a net loss for the three and nine months ended September 30, 2011 and 2010, all potential common shares have been excluded from the computation of the diluted net loss per share for all periods presented, as the effect would have been anti-dilutive. Such potentially dilutive common share equivalents consist of the following:

	Three and Nine Months Ended
	September 30,
	2011		2010
5.375% Convertible notes		702,701		3,981,969
3.75% Convertible notes		5,487,642		—
Unvested restricted stock units		648,215		374,887
Outstanding options		2,861,536		3,370,576
Outstanding warrants		62,752		1,687,752
Total		9,762,846		9,415,184

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Equity

9 Months Ended

Sep. 30, 2011

Equity [Abstract]

Equity

12. Equity

     In June 2010, the lenders in the Company’s Facility Agreement exercised warrants to purchase 2,125,000 shares of the Company’s common stock for an aggregate purchase price of $6.7 million. The Company had originally granted warrants to purchase 3,750,000 shares of its common stock at $3.13 per share in connection with the Facility Agreement.

     In December 2010, in a public offering, the Company issued and sold 3,450,000 shares of its common stock at a price of $13.27 per share. In connection with the offering, the Company received total gross proceeds of $47.8 million, or approximately $45.4 million in net proceeds after deducting underwriting discounts and offering expenses.

     In June 2011, in connection with the acquisition of Neighborhood Diabetes, the Company issued 1,197,631 shares of its common stock at a price of $20.40 per share, as partial consideration for the acquisition.

     The Company grants share-based awards to employees in the form of options to purchase the Company’s common stock, the ability to purchase stock at a discounted price under the employee stock purchase plan and restricted stock units. Stock-based compensation expense related to share-based awards recognized in the three and nine months ended September 30, 2011 was $1.8 million and $5.6 million, respectively, and was calculated based on awards ultimately expected to vest. Employee stock-based compensation expense recognized in the three and nine months ended September 30, 2010 was $1.3 million and $4.0 million, respectively. At September 30, 2011, the amount of stock-based compensation capitalized as part of inventory was not material. At September 30, 2011, the Company had $19.4 million of total unrecognized compensation expense related to stock options and restricted stock units.

Stock Options

     The following summarizes the activity under the Company’s stock option plans:

				Weighted
				Average		Aggregate
	Number of			Exercise		Intrinsic
	Options			Price		Value
						(in thousands)
Balance, December 31, 2010		3,018,469		$	8.74
Granted		612,500			17.78
Exercised		(659,084	)		7.59	$	7,656	(1)
Canceled		(110,349	)		12.73
Balance, September 30, 2011		2,861,536		$	10.79	$	15,344
Vested, September 30, 2011		1,614,110		$	8.64	$	11,643	(2)
Vested and expected to vest, September 30, 2011 (3)		2,404,247				$	13,729	(2)

(1)	The aggregate intrinsic value was calculated based on the positive difference between the fair market value of the Company’s common stock as of the date of exercise and the exercise price of the underlying options.
(2)	The aggregate intrinsic value was calculated based on the positive difference between the fair market value of the Company’s common stock as of September 30, 2011, and the exercise price of the underlying options.
(3)	Represents the number of vested options as of September 30, 2011, plus the number of unvested options expected to vest as of September 30, 2011, based on the unvested options outstanding as of September 30, 2011, adjusted for the estimated forfeiture rate of 16%.

     At September 30, 2011 there were 2,861,536 options outstanding with a weighted average exercise price of $10.79 per share and a weighted average remaining contractual life of 6.9 years. At September 30, 2011 there were 1,614,110 options exercisable with a weighted average exercise price of $8.64 per share and a weighted average remaining contractual life of 5.6 years.

     Employee stock-based compensation expense related to stock options recognized in the three and nine months ended September 30, 2011 was $1.1 million and $3.2 million, respectively, and was based on awards ultimately expected to vest. Employee stock-based compensation expense related to stock options recognized in the three and nine months ended September 30, 2010 was $1.0 million and $3.2 million, respectively. At September 30, 2011, the Company had $9.9 million of total unrecognized compensation expense related to stock options that will be recognized over a weighted average period of 1.2 years.

Employee Stock Purchase Plan

     As of September 30, 2011 and 2010, no shares were contingently issued under the employee stock purchase plan (“ESPP”). In the nine months ended September 30, 2011 and 2010, the Company recorded no significant stock-based compensation charges related to the ESPP.

Restricted Stock Units

     In the nine months ended September 30, 2011, the Company awarded 464,200 restricted stock units to certain employees. The restricted stock units were granted under the Company’s 2007 Stock Option and Incentive Plan (the “2007 Plan”) and vest annually over three to four years from the grant date. The restricted stock units granted have a weighted average fair value of $18.00 per share based on the closing price of the Company’s common stock on the date of grant. The restricted stock units granted during the nine months ended September 30, 2011 were valued at approximately $8.4 million at their grant date, and the Company is recognizing the compensation expense over the vesting period. Approximately $0.7 million and $2.4 million of stock-based compensation expense related to the vesting of restricted stock units was recognized in the three and nine months ended September 30, 2011, respectively. Approximately $0.3 million and $0.7 million of stock-based compensation expense related to the vesting of restricted stock units was recognized in the three and nine months ended September 30, 2010, respectively. Approximately $9.5 million of the fair value of the restricted stock units remained unrecognized as of September 30, 2011. Under the terms of the award, the Company will issue shares of common stock on each of the vesting dates. During the nine months ended September 30, 2011, 120,983 restricted stock units originally granted in 2010 vested. The following table summarizes the status of the Company’s restricted stock units:

				Weighted
	Number of			Average
	Shares			Fair Value
Balance, December 31, 2010		355,999		$	14.99
Granted		464,200			18.00
Vested		(120,983	)		14.91
Forfeited		(51,001	)		16.18
Balance, September 30, 2011		648,215		$	17.07

Restricted Common Stock

     During the year ended December 31, 2008, the Company awarded 4,000 shares of restricted common stock to a non-employee. The shares of restricted common stock were granted under the 2007 Plan and vested over two years. The shares of restricted common stock granted had a weighted average fair value of $8.04 per share based on the closing price of the Company’s common stock on the date of grant. The remaining 444 unvested shares at December 31, 2010 vested during the nine months ended September 30, 2011. The Company recognized the total compensation expense of $32,000 over the two year vesting period.

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Acquisition of Neighborhood Diabetes

9 Months Ended

Sep. 30, 2011

Acquisition of Neighborhood Diabetes [Abstract]

Acquisition of Neighborhood Diabetes

3. Acquisition of Neighborhood Diabetes

     On June 1, 2011, the Company acquired all of the outstanding shares of privately-held Neighborhood Diabetes, a durable medical equipment distributor specializing in direct to consumer sales of diabetes supplies, including pharmaceuticals, and support services. Neighborhood Diabetes serves more than 60,000 customers with Type 1 and Type 2 diabetes primarily in the northeast and southeast regions of the United States with blood glucose testing supplies, insulin pumps, pump supplies, pharmaceuticals, as well as other products for the management and treatment of diabetes. Neighborhood Diabetes is based in Woburn, Massachusetts, with additional offices in Brooklyn, New York and Orlando, Florida. At the time of the acquisition, Neighborhood Diabetes employed approximately 200 people across its three locations. The acquisition of Neighborhood Diabetes provides the Company with full suite diabetes management product offerings, accelerates the Company’s sales force expansion, strengthens the Company’s back office support capabilities, expands the Company’s access to insulin dependent patients, and provides pharmacy adjudication capabilities to drive incremental sales higher. The aggregate purchase price of approximately $62.4 million consisted of approximately $37.9 million in cash paid at closing, 1,197,631 shares of the Company’s common stock valued at approximately $24.4 million, or $20.40 per share based on the closing price of the Company’s common stock on the acquisition date, and contingent consideration with a fair value of approximately $0.1 million. Of the $37.9 million of cash, $6.6 million is being held in an escrow account to reimburse the Company and its affiliates, if necessary, for certain claims for which they are entitled to be indemnified pursuant to the terms of the agreement and plan of merger with Neighborhood Diabetes.

     The Company has accounted for the acquisition of Neighborhood Diabetes as a business combination. Under business combination accounting, the assets and liabilities of Neighborhood Diabetes were recorded as of the acquisition date, at their respective fair values, and consolidated with the Company. The excess of the purchase price over the fair value of net assets acquired was recorded as goodwill. The operating results of Neighborhood Diabetes have been included in the consolidated financial statements since June 1, 2011, the date the acquisition was completed. For the three and nine months ended September 30, 2011, the Company included approximately $10.4 million and $14.1 million, respectively, of revenue from for pharmacy and testing supplies sold by Neighborhood Diabetes. If the acquisition had occurred as of January 1, 2010, consolidated revenue would have been approximately $130.0 million and $113.1 million for the nine months ended September 30, 2011 and 2010, respectively. Consolidated net loss would have been approximately $44.1 million and $38.8 million for the nine months ended September 30, 2011 and 2010, respectively. The purchase price allocation, including an independent appraisal for intangible assets, has been prepared based on the information that was available to management at the time the consolidated financial statements were prepared, and revisions to the preliminary purchase price allocation will be made as additional information becomes available with respect to the fair value of the net assets. The preliminary purchase price at June 1, 2011 has been allocated as follows (in thousands):

Calculation of allocable purchase price:
Cash	$	37,855
Common stock		24,432
Contingent consideration obligations		61
Total allocable purchase price	$	62,348
Preliminary allocation of purchase price:
Accounts receivable	$	5,387
Inventories		2,336
Prepaid expenses and other current assets		242
Property and equipment		391
Customer relationships		30,100
Tradenames		2,800
Goodwill		26,727
Other assets		233
Accounts payable		4,109
Accrued expenses		1,700
Other long-term liabilities		59
	$	62,348

     In the three months ended September 30, 2011 the Company recorded certain adjustments to the initial purchase price accounting. The adjustments to goodwill are as follows (in thousands):

	Purchase accounting adjustments
	offset to goodwill
Collection of fully reserved receivable	$	(543	)
Other		(20	)
Total	$	(563	)

     The Company incurred transaction costs of approximately $3.2 million, which consisted primarily of banking, legal, accounting and other administrative fees. These costs have been recorded as general and administrative expense in the three and nine months ended September 30, 2011.

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Inventories

9 Months Ended

Sep. 30, 2011

Inventories [Abstract]

Inventories

9. Inventories

     Inventories consist of the following:

	As of
	September 30,		December 31,
	2011		2010
	(In thousands)
Raw materials	$	3,929	$	1,892
Work-in-process		622		2,378
Finished goods		8,572		7,160
	$	13,123	$	11,430

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Product Warranty Costs

9 Months Ended

Sep. 30, 2011

Product Warranty Costs [Abstract]

Product Warranty Costs

10. Product Warranty Costs

     The Company provides a four year warranty on its PDMs and may replace any OmniPods that do not function in accordance with product specifications. Warranty expense is estimated and recorded in the period that shipment occurs. The expense is based on the Company’s historical experience and the estimated cost to service the claims. A reconciliation of the changes in the Company’s product warranty liability is as follows:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
	(In thousands)						(In thousands)
Balance at the beginning of period	$	1,795		$	1,940		$	1,873		$	1,820
Warranty expense		792			347			2,171			1,316
Warranty claims settled		(725	)		(502	)		(2,182	)		(1,351	)
Balance at the end of the period	$	1,862		$	1,785		$	1,862		$	1,785

	As of
	September 30,		December 31,
	2011		2010
	(In thousands)
Composition of balance:
Short-term	$	856	$	880
Long-term		1,006		993
Total warranty balance	$	1,862	$	1,873

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Accounts Receivable

9 Months Ended

Sep. 30, 2011

Accounts Receivable [Abstract]

Accounts Receivable

8. Accounts Receivable

The components of accounts receivable are as follows:

	As of
	September 30,			December 31,
	2011			2010
	(In thousands)
Trade receivables	$	23,685		$	22,273
Allowance for doubtful accounts		(6,416	)		(5,432	)
	$	17,269		$	16,841

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Nature of the Business

9 Months Ended

Sep. 30, 2011

Nature of the Business [Abstract]

Nature of the Business

1. Nature of the Business

     Insulet Corporation (the “Company”) has been principally engaged in the development, manufacture and marketing of an insulin infusion system for people with insulin-dependent diabetes. The Company was incorporated in Delaware in 2000 and has its corporate headquarters in Bedford, Massachusetts. Since inception, the Company has devoted substantially all of its efforts to designing, developing, manufacturing and marketing the OmniPod Insulin Management System (“OmniPod”), which consists of the OmniPod disposable insulin infusion device and the handheld, wireless Personal Diabetes Manager (“PDM”). The Company commercially launched the OmniPod Insulin Management System in August 2005 after receiving FDA 510(k) approval in January 2005. The first commercial product was shipped in October 2005.

     In January 2010, the Company entered into a five year distribution agreement with Ypsomed Distribution AG (“Ypsomed”) to become the exclusive distributor of the OmniPod System in eleven countries. Through the Company’s partnership with Ypsomed, the OmniPod System is now available in seven markets, namely Germany, the United Kingdom, France, the Netherlands, Sweden, Norway, and Switzerland. The Company expects that Ypsomed will begin distribution of the OmniPod System, subject to approved reimbursement, in the other markets under the agreement in 2012. In February 2011, the Company entered into a distribution agreement with GlaxoSmithKline Inc., (“GSK”), to become the exclusive distributor of the OmniPod System in Canada. The Company shipped OmniPods to GSK during the second quarter of 2011, and GSK began distributing the OmniPod System during the third quarter of 2011.

     On June 1, 2011, the Company completed the acquisition of Neighborhood Holdings, Inc. and its wholly-owned subsidiaries (collectively “Neighborhood Diabetes”), a leading durable medical equipment distributor, specializing in direct to consumer sales of diabetes supplies. Neighborhood Diabetes is based in Woburn, Massachusetts with additional facilities in Brooklyn, New York and Orlando, Florida. Neighborhood Diabetes serves more than 60,000 customers with Type 1 and Type 2 diabetes primarily in the northeast and southeast regions of the United States. Neighborhood Diabetes supplies these customers with blood glucose testing supplies, insulin pumps, pump supplies, pharmaceuticals, as well as other products for the treatment and management of diabetes. See Footnote 3 for further description of the acquisition.

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Other Intangible Assets

9 Months Ended

Sep. 30, 2011

Other Intangible Assets [Abstract]

Other Intangible Assets

4. Other Intangible Assets

Other intangible assets consist of the following (in thousands):

			As of
			September 30, 2011
			Accumulated
	Cost		Amortization			Net Book Value
Customer relationships	$	30,100	$	(2,165	)	$	27,935
Tradename		2,800		(62	)		2,738
Total	$	32,900	$	(2,227	)	$	30,673

     The Company recorded $32.9 million of other intangible assets in the nine months ended September 30, 2011 as a result of the acquisition of Neighborhood Diabetes (see Footnote 3 for further description). The Company determined that the estimated useful life of the customer relationships asset is ten years and that the estimated useful life of the tradename is 15 years and is amortizing the assets over these estimated lives accordingly. The amortization of other intangible assets was approximately $1.7 million and $2.2 million for the three and nine months ended September 30, 2011, respectively. No amortization expense was recorded in any period prior to the three months ended June 30, 2011. Amortization expense for the year ending December 31, 2011 is expected to be approximately $3.9 million.

Amortization expense expected for the next five years is as follows (in thousands):

	Amortization Expense
Year Ended	Customer
December 31,	Relationships		Tradename		Total
2012	$	5,853	$	187	$	6,040
2013		4,736		187		4,923
2014		3,790		187		3,977
2015		3,064		187		3,251
2016		2,478		187		2,665

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Long Term Debt

9 Months Ended

Sep. 30, 2011

Long Term Debt [Abstract]

Long Term Debt

5. Long-Term Debt

     At September 30, 2011 and December 31, 2010, the Company had outstanding long-term debt and related deferred financing costs on its balance sheet as follows (in thousands):

	As of
	September 30, 2011			December 31, 2010
Liabilities:
Principal amount of the 5.375% Convertible Notes	$	15,000		$	85,000
Principal amount of the 3.75% Convertible Notes		143,750			—
Unamortized discount of liability component		(52,431	)		(15,567	)
	$	106,319		$	69,433
Deferred financing costs	$	2,660		$	1,173

     Interest expense related to the 5.375% Notes, the 3.75% Notes and the Facility Agreement referred to below was included in interest expense on the consolidated statements of operations as follows (in thousands):

	Three months ended				Nine months ended
	September 30, 2011		September 30, 2010		September 30, 2011		September 30, 2010
Contractual coupon interest	$	1,549	$	1,838	$	3,834	$	5,501
Accretion of debt discount		2,143		1,887		4,992		5,493
Amortization of debt issuance costs		146		214		389		654
	$	3,838	$	3,939	$	9,215	$	11,648

5.375% Convertible Notes

     In June 2008, the Company sold $85.0 million principal amount of 5.375% Convertible Senior Notes due June 15, 2013 (the “5.375% Notes”) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended. The interest rate on the notes is 5.375% per annum on the principal amount from June 16, 2008, payable semi-annually in arrears in cash on December 15 and June 15 of each year. The 5.375% Notes are convertible into the Company’s common stock at an initial conversion rate of 46.8467 shares of common stock per $1,000 principal amount of the 5.375% Notes, which is equivalent to a conversion price of approximately $21.35 per share, representing a conversion premium of 34% to the last reported sale price of the Company’s common stock on the NASDAQ Global Market on June 10, 2008, subject to adjustment under certain circumstances, at any time beginning on March 15, 2013 or under certain other circumstances and prior to the close of business on the business day immediately preceding the final maturity date of the notes. The 5.375% Notes will be convertible for cash up to their principal amount and shares of the Company’s common stock for the remainder of the conversion value in excess of the principal amount.

     If a fundamental change, as defined in the Indenture for the 5.375% Notes, occurs at any time prior to maturity, holders of the 5.375% Notes may require the Company to repurchase their notes in whole or in part for cash equal to 100% of the principal amount of the notes to be repurchased, plus accrued and unpaid interest, including any additional interest, to, but excluding, the date of repurchase. If a holder elects to convert its 5.375% Notes upon the occurrence of a make-whole fundamental change, as defined in the Indenture for the 5.375% Notes, the holder may be entitled to receive an additional number of shares of common stock on the conversion date. These additional shares are intended to compensate the holders for the loss of the time value of the conversion option and are set forth in the Indenture to the 5.375% Notes. In no event will the number of shares issuable upon conversion of a note exceed 62.7746 per $1,000 principal amount (subject to adjustment as described in the Indenture for the 5.375% Notes).

     The Company recorded a debt discount of $26.9 million to equity to reflect the value of its nonconvertible debt borrowing rate of 14.5% per annum. This debt discount is being amortized as interest expense over the five year term of the 5.375% Notes. The Company incurred deferred financing costs related to this offering of approximately $3.5 million, of which $1.1 million has been reclassified as an offset to the value of the amount allocated to equity. The remainder is recorded as other assets in the consolidated balance sheet and is being amortized as a component of interest expense over the five year term of the 5.375% Notes.

     On June 29, 2011, in connection with the issuance of $143.8 million of 3.75% Convertible Notes due June 15, 2016 (the “3.75% Notes”), the Company repurchased $70 million in principal amount of the 5.375% Notes for $85.1 million, a 21.5% premium on the principal amount. The investors that held the $70 million of repurchased 5.375% Notes purchased $59.5 million in principal amount of the 3.75% Notes and retained approximately $13.5 million of the remaining 5.375% Notes. The investors’ combined $73.0 million of convertible debt ($13.5 million of 5.375% Notes and $59.5 million of 3.75% notes) was considered to be a modification of a portion of the 5.375% Notes. See “3.75% Convertible Notes” for additional detail on the modification accounting.

     Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the $85 million of principal 5.375% Notes was $3.1 million in the nine months ended September 30, 2011. There was no non-cash interest expense in the three months ended September 31, 2011. Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the $85 million of principal 5.375% Notes was $1.4 million and $4.1 million in the three and nine months ended September 30, 2010, respectively.

     Cash interest expense related to the 5.375% Notes was $0.2 million and $2.5 million in the three and nine months ended September 30, 2011, respectively. Cash interest expense related to the 5.375% Notes was $1.1 million and $3.4 million for the three and nine months ended September 30, 2010, respectively.

     As of September 30, 2011, the Company included approximately $1.3 million on its balance sheet related to the unmodified portion of the 5.375% Notes. The 5.375% Notes have a remaining term of 1.75 years.

Facility Agreement and Common Stock Warrants

     In March 2009, the Company entered into a facility agreement with certain institutional accredited investors (the “Facility Agreement”), pursuant to which the investors agreed to loan the Company up to $60 million, subject to the terms and conditions set forth in the Facility Agreement. Total financing costs, including the transaction fee, were $3.0 million and were amortized as interest expense over the 42 months of the Facility Agreement. In September 2009, the Company entered into an amendment to the Facility Agreement whereby the Company repaid the $27.5 million originally drawn and promptly drew down the remaining $32.5 million available under the Facility Agreement. The annual interest rate was 8.5%, payable quarterly in arrears. In connection with the amendment to the Facility Agreement, the Company entered into a securities purchase agreement with the lenders whereby the Company sold 2,855,659 shares of its common stock to the lenders at $9.63 per share, a $1.9 million discount based on the closing price of the Company’s common stock of $10.28 on that date. The Company recorded the $1.9 million as a debt discount which was amortized as interest expense over the remaining term of the loan. The Company received aggregate proceeds of $27.5 million in connection with the sale of its shares. All principal amounts outstanding under the Facility Agreement were payable in September 2012.

     In connection with the execution of the Facility Agreement, the Company issued to the lenders fully exercisable warrants to purchase an aggregate of 3.75 million shares of common stock of the Company at an exercise price of $3.13 per share. The warrants qualified for permanent treatment as equity, and their relative fair value of $6.1 million on the issuance date was recorded as additional paid-in capital and debt discount. The debt discount was amortized as non-cash interest expense over the term of the loan. As of September 30, 2011, all warrants to acquire 3.75 million shares of the Company’s common stock issued in connection with the Facility Agreement were exercised.

     In December 2010, the Company paid $33.3 million to the lenders, of which $32.5 million related to principal and $0.8 million related to interest and prepayment fees, to extinguish this debt. The Company recorded a non-cash interest charge of $7.0 million in the fourth quarter of 2010 related to the write-off of the remaining debt discounts and financing costs included in other assets which were being amortized to interest expense over the term of the debt. At September 30, 2011 and December 31, 2010, there were no amounts related to the Facility Agreement included in long-term debt on the Company’s balance sheet.

3.75% Convertible Notes

     In June 2011, the Company sold $143.8 million principal amount of the 3.75% Notes. The interest rate on the notes is 3.75% per annum, payable semi-annually in arrears in cash on December 15 and June 15 of each year. The 3.75% Notes are convertible into the Company’s common stock at an initial conversion rate of 38.1749 shares of common stock per $1,000 principal amount of the 3.75% Notes, which is equivalent to a conversion price of approximately $26.20 per share, subject to adjustment under certain circumstances. The 3.75% Notes are convertible prior to March 15, 2016 only upon the occurrence of certain circumstances. On and after March 15, 2016 and prior to the close of business on the second scheduled trading day immediately preceding the final maturity date of the 3.75% Notes, the notes may be converted without regard to the occurrence of any such circumstances. The 3.75% Notes and any unpaid interest will be convertible at the Company’s option for cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock for the principal amount. The Company intends to settle the principal in cash.

     The Company may not redeem the 3.75% Notes prior to June 20, 2014. From June 20, 2014 to June 20, 2015 the Company may redeem the 3.75% Notes, at its option, in whole or in part only if the last reported sale price per share of the Company’s common stock has been at least 130% of the conversion price then in effect for at least 20 trading days during a period of 30 consecutive trading days. On and after June 25, 2015, the Company may redeem the 3.75% Notes, at its option (without regard to such sale price condition), in whole or in part. If a fundamental change, as defined in the Indenture for the 3.75% Notes, occurs at any time prior to maturity, holders of the 3.75% Notes may require the Company to repurchase their notes in whole or in part for cash equal to 100% of the principal amount of the 3.75% Notes to be repurchased, plus accrued and unpaid interest. If a holder elects to convert its 3.75% Notes upon the occurrence of a make-whole fundamental change, as defined in the Indenture for the 3.75% Notes, the holder may be entitled to receive an additional number of shares of common stock on the conversion date. These additional shares are intended to compensate the holders for the loss of the time value of the conversion option and are set forth in the Indenture to the 3.75% Notes. In no event will the number of shares issuable upon conversion of a note exceed 50.5816 per $1,000 principal amount (subject to adjustment as described in the Indenture for the 3.75% Notes). The 3.75% Notes are unsecured and are equal in right of payment to the 5.375% notes.

     The Company evaluated certain features of the 3.75% Notes to determine whether these features are derivatives which should be bifurcated and accounted for at fair value. The Company identified certain features related to a portion of the 3.75% Notes, including the holders’ ability to require the Company to repurchase their notes and the higher interest payments required in an event of default, which are considered embedded derivatives and should be accounted for at fair value. The Company assesses the value of each of these embedded derivatives at each balance sheet date. At September 30, 2011, the Company separately accounted for and determined that these derivatives have de minimus value.

     In connection with the issuance of the 3.75% Notes, the Company repurchased $70 million in principal amount of the 5.375% Notes for $85.1 million, a 21.5% premium on the principal amount. The investors that held the $70 million of repurchased 5.375% Notes purchased $59.5 million in principal amount of the 3.75% Notes and retained approximately $13.5 million of the remaining 5.375% Notes. This transaction was treated as a modification of a portion of the 5.375% Notes. The Company accounted for this modification of existing debt separately from the issuance of the remainder of the 3.75% Notes.

     Prior to the transaction, the $70 million principal of repurchased 5.375% Notes had a debt discount of $10.5 million. This amount remained in debt discount related to the modified $13.5 million of 5.375% Notes and $59.5 million of 3.75% Notes. The Company included $46.3 million on its balance sheet related to these notes at September 30, 2011. The Company recorded additional debt discount of $15.1 million related to the premium payment in connection with the repurchase and $0.2 million related to the increase in the value of the conversion feature. The offset to the debt discount related to the value of the conversion feature was recorded as additional paid-in capital. The total debt discount of $25.8 million related to the modified debt is being amortized as interest expense at the effective rate of 16.5% over the five year term of the modified debt. The Company paid transaction fees of approximately $2.0 million related to the modification, which were recorded as interest expense in the nine months ended September 30, 2011. Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the $73 million of the modified debt was $1.2 million in the three and nine months ended September 30, 2011. As the debt was considered to be modified in connection with the issuance of the 3.75% Notes in June 2011, there was no non-cash interest expense related to the modified debt in the three and nine months ended September 30, 2010.

     Of the $143.8 million of 3.75% Notes issued in June 2011, $84.3 million was considered to be an issuance of new debt. The Company recorded a debt discount of $26.6 million related to the $84.3 million of 3.75% Notes. The Company included $58.7 million on its balance sheet related to these notes at September 30, 2011. The debt discount was recorded as additional paid-in capital to reflect the value of its nonconvertible debt based on a borrowing rate of 12.4% per annum. This debt discount is being amortized as interest expense over the five year term of the 3.75% Notes. The Company incurred deferred financing costs related to this offering of approximately $2.8 million, of which $0.9 million has been reclassified as an offset to the value of the amount allocated to equity. The remainder is recorded as other assets in the consolidated balance sheet and is being amortized as a component of interest expense over the five year term of the 3.75% Notes. Non-cash interest expense related to the amortization of the debt discount and the deferred financing costs on the new portion of the 3.75% Notes was $1.1 million in the three and nine months ended September 30, 2011. There was no non-cash interest recorded on the new portion of the 3.75% Notes in the three and nine months ended September 30, 2010.

     Cash interest expense related to the $143.8 million of 3.75% Notes was $1.3 million in the three and nine months ended September 30, 2011. No cash interest was recorded on the 3.75% Notes in the three and nine months ended September 30, 2010.

     As of September 30, 2011, the 3.75% Notes have a remaining term of 4.75 years.

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Income Taxes

9 Months Ended

Sep. 30, 2011

Income Taxes [Abstract]

Income Taxes

13. Income Taxes

     Deferred income taxes reflect the net tax effects of temporary differences between the carrying amount of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The Company provided a valuation allowance for the full amount of its net deferred tax asset for all periods because realization of any future tax benefit cannot be determined as more likely than not, as the Company does not expect income in the near-term.

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Restructuring Expenses and Impairments of Assets

9 Months Ended

Sep. 30, 2011

Restructuring Expenses and Impairments of Assets [Abstract]

Restructuring Expenses and Impairments of Assets

6. Restructuring Expenses and Impairments of Assets

     During the nine months ended September 30, 2010, the Company performed an evaluation of its Construction in Process related to its manufacturing equipment for its next generation OmniPod. As a result of this evaluation as well as the additional information obtained in connection with the completion of the Company’s pilot manufacturing line for its next generation OmniPod, the Company determined that approximately $1.0 million of previously capitalized costs relating to the project no longer met the capitalization criteria. Accordingly, the Company expensed these costs as research and development expense in the nine months ended September 30, 2010. The evaluations performed in the nine months ended September 30, 2011 resulted in no impaired assets being identified.

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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities
Net loss	$ (42,831)	$ (40,301)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	5,683	3,946
Amortization of debt discount	4,991	5,511
Stock-based compensation expense	5,606	3,957
Provision for bad debts	1,700	2,519
Non cash interest expense	2,381	654
Impairment of assets		1,021
Changes in operating assets and liabilities:
Accounts receivable	3,802	(2,999)
Inventories	594	(2,823)
Deferred revenue	(2,054)	(144)
Prepaid expenses and other current assets	851	235
Accounts payable, accrued expenses, and other liabilities	1,852	773
Other long term liabilities	(359)	(271)
Net cash used in operating activities	(17,784)	(27,922)
Cash flows from investing activities
Purchases of property and equipment	(8,838)	(3,632)
Acquisition of Neighborhood Diabetes	(37,855)
Net cash used in investing activities	(46,693)	(3,632)
Cash flows from financing activities
Proceeds from issuance of long-term debt, net of issuance costs	138,863
Payments to retire long-term debt	(88,195)
Payment of transaction fees related to credit facility amendment		(468)
Proceeds from issuance of common stock, net of offering expenses	4,347	7,944
Net cash provided by financing activities	55,015	7,476
Net decrease in cash and cash equivalents	(9,462)	(24,078)
Cash and cash equivalents, beginning of period	113,274	127,996
Cash and cash equivalents, end of period	103,812	103,918
Supplemental disclosure of cash flow information
Cash paid for interest	2,284	4,358
Non - cash investing and financing activities
Issuance of common stock for the acquisition of Neighborhood Diabetes	$ 24,432

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2011

Summary of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

Basis of Presentation

     The unaudited consolidated financial statements in this Quarterly Report on Form 10-Q have been prepared in accordance with generally accepted accounting principles (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, these unaudited consolidated financial statements do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments, consisting of normal recurring adjustments, considered necessary for a fair presentation have been included. Operating results for the three and nine month periods ended September 30, 2011, are not necessarily indicative of the results that may be expected for the full year ending December 31, 2011, or for any other subsequent interim period.

     The unaudited consolidated financial statements in this Quarterly Report on Form 10-Q should be read in conjunction with the Company’s consolidated financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010.

Use of Estimates in Preparation of Financial Statements

     The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expense during the reporting periods. The most significant estimates used in these financial statements include the valuation of inventories, accounts receivable and equity instruments, the lives of property and equipment and intangible assets, as well as warranty reserves and allowance for doubtful accounts calculations. Actual results may differ from those estimates.

Principles of Consolidation

     The unaudited consolidated financial statements in this Quarterly Report on Form 10-Q include the accounts of the Company and its wholly-owned subsidiaries. All material intercompany balances and transactions have been eliminated in consolidation.

Accounts Receivable and Allowance for Doubtful Accounts

     Accounts receivable consist of amounts due from third-party payors, patients, third-party distributors, and government agencies. The allowance for doubtful accounts is recorded in the period in which revenue is recorded or at the time potential collection risk is identified. The Company estimates its allowance based on historical experience, assessment of specific risk, discussions with individual customers and various assumptions and estimates that are believed to be reasonable under the circumstances.

Inventories

     Inventories are held at the lower of cost or market, determined under the first-in, first-out (“FIFO”) method. Inventory has been recorded at cost as of September 30, 2011 and December 31, 2010. Work in process is calculated based upon a build up in the stage of completion using estimated labor inputs for each stage in production. The Company periodically reviews inventories for potential impairment based on quantities on hand and expectations of future use.

Property and Equipment

     Property and equipment is stated at cost and depreciated using the straight-line method over the estimated useful lives of the respective assets. Leasehold improvements are amortized over their useful life or the life of the lease, whichever is shorter. Assets capitalized under capital leases are amortized in accordance with the respective class of owned assets and the amortization is included with depreciation expense. Maintenance and repair costs are expensed as incurred.

Intangibles and Other Long-Lived Assets

     The Company’s finite-lived intangible assets are stated at cost less accumulated amortization. The Company assesses its intangible and other long lived assets for impairment whenever events or changes in circumstances suggest that the carrying value of an asset may not be recoverable. At September 30, 2011, intangible assets related to the acquisition of Neighborhood Diabetes consisted of $27.9 million of customer relationships and $2.7 million of tradenames. The Company assesses the need for an impairment of intangibles and other finite-lived assets if the carrying amount of the asset is not recoverable based on its undiscounted future cash flows. Any such impairment loss is measured as the difference between the carrying amount and the fair value of the asset. The estimation of useful lives and expected cash flows requires the Company to make significant judgments regarding future periods that are subject to some factors outside its control. Changes in these estimates can result in significant revisions to the carrying value of these assets and may result in material charges to the results of operations. The estimated life of the acquired tradename asset is 15 years. The estimated life of the acquired customer relationships asset is ten years. Intangible assets with determinable estimated lives are amortized over these lives.

Goodwill

     Goodwill represents the excess of the cost of the acquired Neighborhood Diabetes businesses over the fair value of identifiable net assets acquired. The Company will perform an assessment of its goodwill for impairment on at least an annual basis or whenever events or changes in circumstances indicate there might be impairment.

     Goodwill is evaluated at the reporting unit level. To test for impairment, the Company compares the carrying value of the reporting unit to its fair value. If the reporting unit’s carrying value exceeds its fair value, the Company would record an impairment loss to the extent that the carrying value of goodwill exceeds its implied fair value.

Warranty

     The Company provides a four year warranty on its PDMs and may replace any OmniPods that do not function in accordance with product specifications. The Company estimates its warranty reserves at the time the product is shipped based on historical experience and the estimated cost to service the claims. Cost to service the claims reflects the current product cost, which has been decreasing over time. As these estimates are based on historical experience, and the Company continues to introduce new versions of existing products, the Company also considers the anticipated performance of the product over its warranty period in estimating warranty reserves.

Revenue Recognition

     The Company generates nearly all of its revenue from sales of its OmniPod Insulin Management System and other diabetes related products including blood glucose testing supplies, insulin pumps, pump supplies and pharmaceuticals to customers and third-party distributors who resell the product to patients with diabetes.

     Revenue recognition requires that persuasive evidence of a sales arrangement exists, delivery of goods occurs through transfer of title and risk and rewards of ownership, the selling price is fixed or determinable and collectability is reasonably assured. With respect to these criteria:

• The evidence of an arrangement generally consists of a physician order form, a patient information form, and if applicable, third-party insurance approval for sales directly to patients or a purchase order for sales to a third-party distributor.

• Transfer of title and risk and rewards of ownership are passed to the patient or third-party distributor upon shipment of the products.

• The selling prices for all sales are fixed and agreed with the patient or third-party distributor, and, if applicable, the patient’s third-party insurance provider(s), prior to shipment and are based on established list prices or, in the case of certain third-party insurers, contractually agreed upon prices. Provisions for discounts and rebates to customers are established as a reduction to revenue in the same period the related sales are recorded.

     The Company assesses whether different elements qualify for separate accounting. The Company recognizes revenue once all elements have been delivered.

     The Company offers a 45-day right of return for its OmniPod Insulin Management System Starter Kits sales, and defers revenue to reflect estimated sales returns in the same period that the related product sales are recorded. Returns are estimated through a comparison of the Company’s historical return data to their related sales. Historical rates of return are adjusted for known or expected changes in the marketplace when appropriate. When doubt exists about reasonable assuredness of collectability from specific customers, the Company defers revenue from sales of products to those customers until payment is received.

     In March 2008, the Company received a cash payment from Abbott Diabetes Care, Inc. (“Abbott”) for an agreement fee in connection with execution of the first amendment to the development and license agreement between the Company and Abbott. The Company recognizes revenue on the agreement fee from Abbott over the initial five year term of the agreement, and the non-current portion of the agreement fee is included in other long-term liabilities. In addition, Abbott agreed to pay an amount to the Company for services performed in connection with each sale of a PDM that includes an Abbott Discrete Blood Glucose Monitor to customers in certain territories. The Company recognizes revenue related to this portion of the Abbott agreement at the time it meets the criteria for revenue recognition, typically at the time the revenue is recognized on the sale of the PDM to the patient.

     In June 2011, the Company entered into a development agreement with a U.S. based pharmaceutical company (the “Development Agreement”). Under the Development Agreement, the Company is required to perform design, development, regulatory, and other services to support the pharmaceutical company as it works to obtain regulatory approval to use the Company’s drug delivery technology as a delivery method for its pharmaceutical. Over the estimated two year term of the Development Agreement, the Company will invoice amounts based upon meeting certain deliverable milestones. Revenue on the Development Agreement is recognized using a proportional performance methodology based on costs incurred and total payments under the agreement.

     The Company had deferred revenue of $2.4 million and $4.8 million as of September 30, 2011 and December 31, 2010, respectively. The deferred revenue recorded as of September 30, 2011 was comprised of product-related revenue, unrecognized amounts related to the Development Agreement as well as the non-amortized agreement fee related to the Abbott agreement.

Concentration of Credit Risk

     Financial instruments that subject the Company to credit risk primarily consist of cash, cash equivalents and accounts receivable. Although revenue is recognized from shipments directly to patients or third-party distributors, the majority of shipments are billed to third-party insurance payors and government agencies. There were no third-party payors or government agencies that accounted for more than 10% of gross accounts receivable as of September 30, 2011 or December 31, 2010.

Segment Reporting

     Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated on a regular basis by the chief operating decision-maker, or decision-making group, in deciding how to allocate resources to an individual segment and in assessing performance of the segment. In light of the Company’s current product offering, and other considerations, management has determined that the primary form of internal reporting is aligned with the offering of diabetes-related products and supplies. Therefore, the Company believes that it operates in one segment.

Income Taxes

     FASB Accounting Standard Codification, 740-10, Income Taxes (“FASB ASC 740-10”) clarifies the accounting for uncertainty in income taxes recognized in an entity’s financial statements. FASB ASC 740-10 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In addition, FASB ASC 740-10 provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, and disclosure and transition.

     The Company has accumulated significant losses since its inception in 2000. Since the net operating losses may potentially be utilized in future years to reduce taxable income (subject to any applicable limitations), all of the Company’s tax years remain open to examination by the major taxing jurisdictions to which the Company is subject.

     The Company recognizes estimated interest and penalties for uncertain tax positions in income tax expense. As of September 30, 2011, interest and penalties were immaterial to the consolidated financial statements.

Stock-Based Compensation

     The Company accounts for stock-based compensation under the provisions of FASB Accounting Standards Codification 718-10, Compensation — Stock Compensation (“FASB ASC 718-10”) requires all share-based payments to employees, including grants of employee stock options, to be recognized in the income statement based on their fair values.

     The Company uses the Black-Scholes option pricing model to determine the weighted average fair value of options granted. The Company determines the intrinsic value of restricted stock based on the closing prices of its common stock on the date of grant. The Company recognizes the compensation expense of share-based awards on a straight-line basis over the vesting period of the award.

     The determination of the fair value of share-based payment awards utilizing the Black-Scholes model is affected by the stock price and a number of assumptions, including expected volatility, expected life, risk-free interest rate and expected dividends. The expected life of the awards is estimated based on the midpoint between the vesting date and the end of the contractual term. The risk-free interest rate assumption is based on observed interest rates appropriate for the terms of the awards. The dividend yield assumption is based on company history and expectation of paying no dividends. Forfeitures are estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. Stock-based compensation expense recognized in the financial statements is based on awards that are ultimately expected to vest. The Company evaluates the assumptions used to value the awards on a quarterly basis and if factors change and different assumptions are utilized, stock-based compensation expense may differ significantly from what has been recorded in the past. If there are any modifications or cancellations of the underlying unvested securities, the Company may be required to accelerate, increase or cancel any remaining unearned stock-based compensation expense.

     See Footnote 12 for a summary of the stock option activity under our stock-based employee compensation plan.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2011

Commitments and Contingencies [Abstract]

Commitments and Contingencies

11. Commitments and Contingencies

Operating Leases

     The Company leases its facilities in Bedford and Billerica, Massachusetts. In addition, in connection with its acquisition of Neighborhood Diabetes, the Company acquired leases of facilities in Woburn, Massachusetts, Brooklyn, New York and Orlando, Florida. The Company’s leases are accounted for as operating leases. The leases generally provide for a base rent plus real estate taxes and certain operating expenses related to the leases. The Company has extended the leases of its facilities in Bedford and Billerica, Massachusetts. Following the extensions, these leases expire in September 2014. The leases for Bedford contain a five year renewal option and escalating payments over the life of the lease. The leases in Woburn, Brooklyn and Orlando expire in June 2013, April 2015 and September 2012, respectively.

     The Company’s operating lease agreements contain scheduled rent increases which are being amortized over the terms of the agreement using the straight-line method and are included in other liabilities in the accompanying consolidated balance sheet.

Legal Proceedings

     In August 2010, Becton, Dickinson and Company, (“BD”), filed a lawsuit in the United States District Court in the State of New Jersey against the Company alleging that the OmniPod System infringes three of its patents. BD seeks a declaration that the Company has infringed its patents, equitable relief, including an injunction that would enjoin the Company from infringing these patents, and an unspecified award for monetary damages. The Company believes that the OmniPod System does not infringe these patents. The Company expects that this litigation will not have a material adverse impact on its financial position or results of operations. The Company believes it has meritorious defenses to this lawsuit; however, litigation is inherently uncertain and there can be no assurance as to the ultimate outcome or effect of this action.

Indemnifications

     In the normal course of business, the Company enters into contracts and agreements that contain a variety of representations and warranties and provide for general indemnifications. The Company’s exposure under these agreements is unknown because it involves claims that may be made against the Company in the future, but have not yet been made. To date, the Company has not paid any claims or been required to defend any action related to its indemnification obligations. However, the Company may record charges in the future as a result of these indemnification obligations.

     In accordance with its bylaws, the Company has indemnification obligations to its officers and directors for certain events or occurrences, subject to certain limits, while they are serving at the Company’s request in such capacity. There have been no claims to date and the Company has a director and officer insurance policy that enables it to recover a portion of any amounts paid for future claims.

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Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 103,812	$ 113,274
Accounts receivable, net	17,269	16,841
Inventories	13,123	11,430
Prepaid expenses and other current assets	3,653	912
Total current assets	137,857	142,457
Property and equipment, net	18,295	12,522
Intangible assets, net	30,673
Goodwill	26,164
Other assets	2,791	1,254
Total assets	215,780	156,233
Current Liabilities
Accounts payable	8,604	4,895
Accrued expenses	12,762	9,808
Deferred revenue	2,193	4,247
Other current liabilities	1,202
Total current liabilities	24,761	18,950
Long-term debt	106,319	69,433
Other long-term liabilities	1,260	1,619
Total liabilities	132,340	90,002
Stockholders' Equity
Preferred stock, $.001 par value: Authorized: 5,000,000 shares at September 30, 2011 and December 31, 2010. Issued and outstanding: zero shares at September 30, 2011 and December 31, 2010, respectively
Common stock, $.001 par value: Authorized: 100,000,000 shares at September 30, 2011 and December 31, 2010. Issued and outstanding: 47,386,448 and 45,440,839 shares at September 30, 2011 and December 31, 2010, respectively	47	45
Additional paid-in capital	510,077	450,039
Accumulated deficit	(426,684)	(383,853)
Total stockholders' equity	83,440	66,231
Total liabilities and stockholders' equity	$ 215,780	$ 156,233