FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 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 *   WEAVER KAREN 2. Date of Event Requiring Statement (Month/Day/Year) 08/01/2013 3. Issuer Name and Ticker or Trading Symbol AMYRIS, INC. [AMRS] (Last) (First) (Middle) C/O AMYRIS, INC., 5885 HOLLIS ST., SUITE 100 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Principal Accounting Officer 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) EMERYVILLE, CA 94608 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 8,778 (1) D   Common Stock 26,114 (2) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	  (3)	06/12/2021	Common Stock	27,000	$ 16 (4)	D	Â
Stock Option (Right to Buy)	  (5)	04/08/2022	Common Stock	22,500	$ 3.86	D	Â
Stock Option (Right to Buy)	  (6)	04/08/2022	Common Stock	3,000	$ 3.86	D	Â
Stock Option (Right to Buy)	  (7)	07/21/2023	Common Stock	27,000	$ 2.79	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
WEAVER KAREN C/O AMYRIS, INC. 5885 HOLLIS ST., SUITE 100 EMERYVILLE, CA 94608	Â	Â	  Principal Accounting Officer	Â

Signatures

/s/ Karen Weaver by Nicholas Khadder, Attorney-in-Fact		08/09/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	Represents restricted stock unit (RSU) award granted on April 9, 2012, with a 3-year annual vesting schedule, under which the first 1/3rd of the units vested on April 9, 2013 less 1,222 shares withheld to satisfy the Reporting Person's tax withholding obligation upon settlement following the first vesting date.
(2)	Represents restricted stock unit (RSU) award granted on October 15, 2012, with a 3-year annual vesting schedule, under which the first 1/3rd of the units vested on April 1, 2013 less 3,886 shares withheld to satisfy the Reporting Person's tax withholding obligation upon settlement following the first vesting date.
(3)	The stock option vested as to 1/4th of the total number of shares subject to the option on May 2, 2012, and thereafter vests as to 1/48th of the total number of shares subject to the option in equal monthly installments.
(4)	The stock option was originally granted with an exercise price of $28.61 per share. The stockholders approved at the Issuer's annual meeting of stockholders held on May 24, 2012 a one-time stock option re-pricing program in which the Issuer's employees with eligible stock options would receive a one-time reduction in the exercise price for such options to $16.00 per share.
(5)	The stock option vested as to 1/48th of the total number of shares subject to the option on May 9, 2012, and thereafter vests as to 1/48th of the total number of shares subject to the option in equal monthly installments.
(6)	The stock option vested as to 100% of the total number of shares subjet to the option on April 9, 2013.
(7)	The stock option vests as to 1/4th of the total number of shares subject to the option on April 1, 2014, and thereafter vests as to 1/48th of the total number of shares subject to the option in equal monthly installments.

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