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^*

Stumme Brent

(Last)

(First)

(Middle)

C/O LOOPNET, INC.

181 W. HUNTINGTON DRIVE, SUITE 208

(Street)

MONROVIA

91016

(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)
	CFO and VP, Finance/Admin

3. Date of Earliest Transaction (Month/Day/Year)
10/12/2007

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	10/12/2007		S⁽¹⁾		100	D	$22.72	273,024	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$22.78	272,924	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$22.88	272,824	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		200	D	$22.98	272,624	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		500	D	$22.99	272,124	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$22.9955	272,024	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		200	D	$23.01	271,824	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.0173	271,724	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.02	271,624	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.03	271,524	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		200	D	$23.04	271,324	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.055	271,224	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		300	D	$23.06	270,924	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.07	270,824	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.0777	270,724	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.08	270,624	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.0859	270,524	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.09	270,424	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.1	270,324	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.1042	270,224	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.1051	270,124	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		200	D	$23.11	269,924	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.1194	269,824	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		400	D	$23.12	269,424	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		200	D	$23.13	269,224	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.15	269,124	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.16	269,024	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		100	D	$23.17	268,924	I	The Stumme Family Trust
Common Stock	10/12/2007		S⁽¹⁾		200	D	$23.19	268,724	I	The Stumme Family Trust
Common Stock								113,984	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)

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 when not in possession of material non-public information.

Remarks:

	/s/ Maria Valles as Attorney-in-Fact	10/12/2007
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.