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* PEGASUS PARTNERS IV LP (Last) (First) (Middle) 99 RIVER ROAD (Street) COS COB CT 06807 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol LIGHTING SCIENCE GROUP CORP [ LSCG.PK ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 07/09/2010
	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
Series D Non-Convertible Preferred Stock	07/09/2010		A		88,102	A	(1)	60,758,777	D(2)(3)

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
Common Stock Warrants	$6	07/09/2010		A		88,102		07/09/2010	(4)	Common Stock	88,102	(1)	60,758,777	D(2)(3)

1. Name and Address of Reporting Person* PEGASUS PARTNERS IV LP (Last) (First) (Middle) 99 RIVER ROAD (Street) COS COB CT 06807 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Pegasus Investors IV, L.P. (Last) (First) (Middle) 99 RIVER ROAD (Street) COS COB CT 06807 (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* Pegasus Investors IV GP, LLC (Last) (First) (Middle) 99 RIVER ROAD (Street) COS COB CT 06807 (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* PEGASUS CAPITAL LLC (Last) (First) (Middle) 99 RIVER ROAD (Street) COS COB CT 06807 (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 reported securities are included within 88,102 Units (each Unit is made up of (i) one share of Series D Non-Convertible Preferred Stock and (ii) a Warrant to purchase one share of the Issuer's common stock) received by Pegasus Partners IV, L.P. ("Pegasus Partners") on July 9, 2010 in satisfaction of the guaranty fee of $88,630 determined on July 9, 2010, pursuant to Amendment No. 1 to the Amended and Restated Guaranty Extension Agreement entered into between the Issuer and Pegasus Partners on July 9, 2010.

2. The securities to which this report relates are held by Pegasus Partners. Pegasus Investors IV, LP ("Pegasus Investors") is the general partner of Pegasus Partners and Pegasus Investors IV GP, LLC ("Pegasus GP") is the general partner of Pegasus Investors. Pegasus GP is wholly owned by Pegasus Capital, LLC ("Pegasus Capital", and together with Pegasus Partners, Pegasus Investors and Pegasus GP, the "Reporting Persons"). By virtue of the foregoing, the Reporting Persons may be deemed to share voting power and power to direct the disposition of the securities reported herein. (Continued on the next footnote...)

3. (Continued from the last footnote...) Each of Pegasus Investors, Pegasus GP and Pegasus Capital disclaims beneficial ownership of any of the Issuer's securities as to which this report relates except to the extent of their respective indirect pecuniary interest therein, and this report shall not be deemed an admission that any of Pegasus Investors, Pegasus GP or Pegasus Capital is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

4. The Warrants expire on the twelfth anniversary of the issuance date.

Remarks:

	PEGASUS PARTNERS IV, L.P. Pegasus Investors IV, L.P., its general partner Pegasus Investors IV GP, L.L.C., its general partner /s/ Richard Weinberg Name: Richard Weinberg Title: Vice President	07/12/2010
	Pegasus Investors IV, LP By: Pegasus Investors IV GP, LLC, its general partner /s/ Richard Weinberg, Vice President	07/12/2010
	Pegasus Investors IV GP, LLC By: /s/ Richard Weinberg, Vice President	07/12/2010
	Pegasus Capital, LLC By: /s/ Craig Cogut, President & Managing Member	07/12/2010
	** 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.