SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Acer Technology Ventures Management, LLC (Last) (First) (Middle) 5201 GREAT AMERICA PARKWAY SUITE 270 (Street) SANTA CLARA CA 95054 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol IROBOT CORP [ IRBT ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 09/18/2006
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/18/2006		S(1)		700	D	$22.19	675,800	I	See Footnote(2)
Common Stock								1,658,136	I	See Footnote(3)
Common Stock								48,000	I	See Footnote(4)
Common Stock								2,000	I	See Footnote(5)
Common Stock								4,000	I	See Footnote(6)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* Acer Technology Ventures Management, LLC (Last) (First) (Middle) 5201 GREAT AMERICA PARKWAY SUITE 270 (Street) SANTA CLARA CA 95054 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* IP Fund One, L.P. (Last) (First) (Middle) 5201 GREAT AMERICA PARKWAY SUIT 270 (Street) SANTA CLARA CA 95054 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Lai Teh-Tsung (Last) (First) (Middle) C/O ID AMERICA 1, LLC 5201 GREAT AMERICA PARKWAY (Street) SANTA CLARA CA 95054 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* iD America 1, LLC (Last) (First) (Middle) 5201 GREAT AMERICA PARKWAY SUITE 270 (Street) SANTA CLARA CA 95054 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Acer Technology Ventures Fund, L.P. (Last) (First) (Middle) 5201 GREAT AMERICA PARKWAY SUITE 270 (Street) SANTA CLARA CA 95054 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Lu James C (Last) (First) (Middle) C/O ACER TECHNOLOGY VENTURES MANAGEMENT 5201 GREAT AMERICA PARKWAY, SUITE 270 (Street) SANATA CLARA CA 95054 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* iD6 Fund, L.P. (Last) (First) (Middle) 5201 GREAT AMERICA PARKWAY SUITE 270 (Street) SANTA CLARA CA 95054 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Acer Technology Ventures America, LLC (Last) (First) (Middle) 5201 GREAT AMERICA PARKWAY SUITE 270 (Street) SANTA CLARA CA 95054 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 30, 2006.

2. Consists of shares indirectly held by Acer Technology Ventures America, LLC as general partner for IP Fund One, L.P. The reporting persons disclaim beneficial ownership of such shares except to the extent of their pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person are the beneficial owners of all of the reported shares for purposes of Section 16 or any other purpose.

3. Consists of shares held indirectly by James C. Lu as principal of Acer Technology Ventures Management, LLC and Acer Technology Ventures Management, LLC as general partner for Acer Technology Venutres Fund, L.P. The reporting persons disclaim beneficial ownership of such shares except to the extent of their pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person are the beneficial owners of all of the reported shares for purposes of Section 16 or any other purpose.

4. Consists of shares indirectly held by Teh-Tsung Lai as principal of iD America 1, LLC and iD America 1, LLC as general partner for iD6 Fund, L.P. The reporting persons disclaim beneficial ownership of such shares except to the extent of their pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person are the beneficial owners of all of the reported shares for purposes of Section 16 or any other purpose.

5. Consists of shares held directly by Teh-Tsung Lai.

6. Consists of shares held directly by James C. Lu.

Remarks:

	(See signatures included in Exhibit 99.1)	09/19/2006
	/s/ Glen D. Weinstein, Attorney-in-fact	11/15/2005
	/s/ Glen D. Weinstein, Attorney-in-fact	11/15/2005
	/s/ Glen D. Weinstein, Attorney-in-fact	11/15/2005
	/s/ Glen D. Weinstein, Attorney-in-fact	11/15/2005
	/s/ Glen D. Weinstein, Attorney-in-fact	11/15/2005
	/s/ Glen D. Weinstein, Attorney-in-fact	11/15/2005
	/s/ Glen D. Weinstein, Attorney-in-fact	11/15/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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