FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
JAGGERS JOHN V
   2. Issuer Name and Ticker or Trading Symbol
CAPSTONE TURBINE Corp [CPST] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
13455 NOEL ROAD, SUITE 1670		 3. Date of Earliest Transaction (Month/Day/Year)
08/24/2010
(Street)

DALLAS, TX 75240		 4. If Amendment, Date 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
(City)
(State)
(Zip)
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 08/24/2010   P(1)   100,000 A $ 0.6995 (2) 280,786 D  
Common Stock               9,744 I (3) See Footnote

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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 Underlying Securities
(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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
JAGGERS JOHN V
13455 NOEL ROAD
SUITE 1670
DALLAS, TX 75240		   X      

Signatures

 John V. Jaggers   08/25/2010
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The reporting person's purchase of Capstone Turbine Corporation ("Capstone") common stock reported herein was matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 62 shares (at the lowest price of $0.698) with the reporting person's pecuniary interest in the sale of 62 shares of Capstone common stock at a price of $0.7475 per share on August 18, 2010. The reporting person has paid to Capstone $0.90, representing the full amount of profit realized in connection with the short-swing transaction, less transaction costs.
(2) The Capstone shares purchased on this date were purchased in multiple transactions. This price is the weighted average sales price per share of all shares purchased on this date. The actual purchase price per share ranges from $0.698 to $0.70. The number of shares purchased at each separate price will be provided upon request by Capstone or the security holder of Capstone.
(3) Total common shares of 9,744 represents 16 of such common shares held by SRB Associates VII L.P. ("SRB VII"), and 9,728 of such common shares held by Sevin Rosen VII Affiliates Fund L.P. ("SRVII AFF"). John Jaggers ("Jaggers") is a general partner of SRBVII, and a general partner the general partner of SRVII AFF. Jaggers disclaims beneficial ownership of these shares except to his proportionate partnership interest in these shares. On August 18, 2010, Sevin Rosen Fund V L.P. ("SRV") and Sevin Rosen V Affiliates Fund L.P. ("SRV AFF") sold 44,929 common shares, of which Jaggers' pecuniary interest is 62 common shares. Jaggers is a general partner of the general partner of SRV and SRV AFF.

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