SEC FORM 4

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

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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^*

Byrne Thomas P

(Last)

(First)

(Middle)

C/O LOOPNET, INC.

2100 E. ROUTE, SUITE 200

(Street)

GLENDORA

91740

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
LoopNet, Inc. [ LOOP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President and COO

3. Date of Earliest Transaction (Month/Day/Year)
04/25/2012

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	04/25/2012		G	V	30,000	D	$0.00	277,391	D
Common Stock	04/30/2012		D		277,391	D	⁽¹⁾	0	D
Common Stock	04/30/2012		D		120,000	D	⁽²⁾	0	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$11.06	04/30/2012		D			1,355	⁽³⁾	01/08/2015	Common Stock	1,355	$0.00	0	D
Stock Option (Right to Buy)	$12.04	04/30/2012		D			13,126	⁽⁴⁾	02/05/2015	Common Stock	13,126	$0.00	0	D
Stock Option (Right to Buy)	$7.26	04/30/2012		D			94,792	⁽⁵⁾	02/12/2016	Common Stock	94,792	$0.00	0	D
Stock Option (Right to Buy)	$9.97	04/30/2012		D			46,042	⁽⁶⁾	02/10/2017	Common Stock	46,042	$0.00	0	D
Stock Option (Right to Buy)	$9.97	04/30/2012		D			255,000	⁽⁷⁾	02/10/2017	Common Stock	255,000	$0.00	0	D

Explanation of Responses:

1. Disposed of pursuant to a merger agreement, dated April 27, 2011, as amended, between the issuer, CoStar Group, Inc. ("Parent") and Lonestar Acquisition Sub, Inc. (the "Merger Agreement") in exchange for a unit consisting of (i) $16.50 in cash without interest and (ii) 0.03702 shares of the Parent Common Stock per share (the "Merger Consideration"). Of the total number of shares disposed, 32,500 restricted stock units outstanding and unvested as of the reporting date were fully accelerated and were cancelled in exchange for the Merger Consideration.

2. Disposed of pursuant to the Merger Agreement. The securities disposed were restricted stock units granted on February 11, 2010, that were subject to performance-based vesting, the conditions for which were not met as of the time of the merger. Pursuant to the Merger Agreement, the vesting of all such securities fully accelerated, and two thirds of such restricted stock units were cancelled in exchange for the Merger Consideration, and one third of such restricted stock units were cancelled in exchange for 10,813 shares of Parent common stock.

3. Disposed of pursuant to the Merger Agreement. This option provided for a vesting of 1/48th per month beginning on February 9, 2008. Pursuant to the Merger Agreement, to the extent unvested, the vesting of the option was fully accelerated, and the options were cancelled in the merger in exchange for the Merger Consideration, less the exercise price of the option.

4. Disposed of pursuant to the Merger Agreement. This option provided for a vesting of 1/48th per month beginning on March 6, 2008. Pursuant to the Merger Agreement, to the extent unvested, the vesting of the option was fully accelerated, and the options were cancelled in the merger in exchange for the Merger Consideration, less the exercise price of the option.

5. Disposed of pursuant to the Merger Agreement. This option provided for a vesting of 1/48th per month beginning on March 13, 2009. Pursuant to the Merger Agreement, to the extent unvested, the vesting of the option was fully accelerated, and the options were cancelled in the merger in exchange for the Merger Consideration, less the exercise price of the option.

6. Disposed of pursuant to the Merger Agreement. This option provided for a vesting of 1/48th per month beginning on March 11, 2010. Pursuant to the Merger Agreement, to the extent unvested, the vesting of the option was fully accelerated, and the options were cancelled in the merger in exchange for the Merger Consideration, less the exercise price of the option.

7. Disposed of pursuant to the Merger Agreement. This option was granted on February 11, 2010, and was subject to performance-based vesting, the conditions for which were not met as of the time of the merger. Pursuant to the Merger Agreement, the vesting of all such options fully accelerated, and two thirds of such options were cancelled in exchange for the Merger Consideration, less the exercise price of the option, and one third of such options were cancelled in exchange for 10,995 shares of Parent common stock.

Remarks:

	/s/ Maria T. Valles, as Attorney-in-Fact	04/30/2012
	** 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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