Ownership Submission
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, 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 *
WALKER JOHN PETER
   2. Issuer Name and Ticker or Trading Symbol
GERON CORP [GERN] 		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)
C/O GERON CORPORATION, 230 CONSTITUTION DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
01/30/2009
(Street)

MENLO PARK, CA 94025		 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 01/30/2009   M   20,000 A $ 5.08 59,119 (4) D  
Common Stock 01/30/2009   M   2,500 A $ 5.08 61,619 D  
Common Stock 01/30/2009   M   10,000 A $ 5.08 71,619 D  
Common Stock 01/30/2009   M   15,000 A $ 3.97 86,619 D  
Common Stock 01/30/2009   M   1,117 A $ 3.97 87,736 D  
Common Stock 01/30/2009   S   48,617 D $ 8.28 39,119 D  

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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
Stock Option (right to buy) $ 5.08 01/30/2009   M     20,000 05/30/2003 04/28/2009(2) Common Stock 20,000 $ 5.08 183,617 (1) D  
Stock Option (right to buy) $ 5.08 01/30/2009   M     2,500 05/30/2003 04/28/2009(2) Common Stock 2,500 $ 5.08 181,117 D  
Stock Option (right to buy) $ 5.08 01/30/2009   M     10,000   (5) 04/28/2009(2) Common Stock 10,000 $ 5.08 171,117 D  
Stock Option (right to buy) $ 3.97 01/30/2009   M     15,000 05/28/2008 04/28/2009(2) Common Stock 15,000 $ 3.97 156,117 D  
Stock Option (right to buy) $ 3.97 01/30/2009   M     1,117   (3) 04/28/2009(2) Common Stock 1,117 $ 3.97 155,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
WALKER JOHN PETER
C/O GERON CORPORATION
230 CONSTITUTION DRIVE
MENLO PARK, CA 94025		   X      

Signatures

 /s/ Olivia Bloom for John P. Walker   01/30/2009
**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) Balance reflects expiration of 6,700 unexercised options in Sept. 2008 and cancellation of 5,583 options in connection with Mr. Walker's resignation from the Board of Directors on Jan. 28, 2009.
(2) In accordance with the Directors Option Plan, options remain exercisable for only 90 days after the date a Director resigns from the Company. Mr. Walker resigned on Jan. 28, 2009.
(3) This option was exercisable in a series of 24 equal monthly installments commencing on Sept. 18, 2008 provided the optionee continued to provide services to the Company. Remaining unvested options were cancelled in connection with Mr. Walker's resignation from the Board of Directors on Jan. 28, 2009.
(4) Balance reflects cancellation of 20,625 unvested restricted stock awards in connection with Mr. Walker's resignation from the Board of Directors on Jan. 28, 2009.
(5) This option was exercisable in a series of 48 equal monthly installments commencing May 23, 2003 provided the optionee continued to provide services to the Company. The option was fully exercisable on May 23, 2007.

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