Sec Form 4 Filing - Kasbaum John @ Kior Inc - 2011-06-23

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 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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1. Name and Address of Reporting Person Kasbaum John 2. Issuer Name and Ticker or Trading Symbol Kior Inc [ KIOR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Senior VP of Commercial (Last) (First) (Middle) 13001 BAY PARK ROAD 3. Date of Earliest Transaction (MM/DD/YY) 06/23/2011 (Street) PASADENA, TX77057 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Class A Common Stock 06/23/2012 M( 1 ) 5,000 A $ 0 7,100 D Class A Common Stock 06/27/2012 S( 2 ) 1,439 D $ 8.755 ( 3 ) 5,661 D Class A Common Stock 10/22/2012 M( 4 ) 25,000 A $ 1.98 30,661 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Restricted Stock Units $ 0 ( 5 ) 06/23/2011 A 25,000 ( 6 ) ( 6 ) Class A Common Stock 25,000 $ 0 25,000 D Restricted Stock Units $ 0 ( 5 ) 06/23/2012 M 5,000 ( 6 ) ( 6 ) Class A Common Stock 5,000 $ 0 20,000 D Stock Options (Right to Buy) $ 1.98 10/22/2012 M 25,000 ( 7 ) 07/27/2020 Class A Common Stock 25,000 $ 0 ( 1 ) 535,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Kasbaum John 13001 BAY PARK ROAD PASADENA, TX77057 Senior VP of Commercial Signatures /s/ Christopher A. Artzer, attorney-in-fact 10/25/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the conversion, upon vesting, of the restricted stock units reported on Table II into Class A Common Stock. On June 23, 2011, the reporting person received 25,000 restricted stock units, of which 1/5, or 5,000 units, were vested on June 23, 2012. ( 2 )These sales were effected to satisfy the reporting person's federal income tax obligations with respect to the vesting of the restricted stock units reported on Table II. ( 3 )This price is a weighted average price. The reporting person undertakes to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4. These shares were sold in multiple transactions at prices ranging from $8.752 to $8.772, inclusive. ( 4 )Represents the conversion, upon exercise, of the stock options reported on Table II into Class A Common Stock. ( 5 )Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of the issuer. ( 6 )These restricted stock units were acquired June 23, 2011 as part of a total award of 25,000 restricted stock units. One fifth of such restricted stock units vested on June 23, 2012, and the remainder will vest in equal annual installments on June 23 of each of 2013, 2014, 2015 and 2016. ( 7 )These options were acquired July 28, 2010 as part of a total award of 560,000 incentive stock options, as reported on the reporting person's Form 3 filed on June 23, 2011. One-fifth of the total number of shares subject to the option vested on June 1, 2011, the one-year anniversary of the vesting commencement date of such options, and the remainder have vested and will continue to vest in 48 equal monthly installments until the fifth anniversary of the vesting commencement 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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