SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                     Pursuant to Section 13 or 15(d) of the
                       SECURITIES AND EXCHANGE ACT OF 1934

         Date of Report (Date of earliest event reported): April 8, 2003


                                GERON CORPORATION

             (Exact name of registrant as specified in its charter)

          Delaware                    0-20859                   75-2287752
(State or Other Jurisdiction  (Commission File Number)        (IRS Employer
     of Incorporation)                                    Identification Number)

          230 Constitution Drive                          94025
          Menlo Park, California                        (Zip Code)
 (Address of principal executive offices)



                                 (650) 473-7700
              (Registrant's telephone number, including area code)

                                       N/A
          (Former Name or Former Address, if Changed Since Last Report)




Item 5.  Other Events.

On April 8, 2003, Geron Corporation, a Delaware corporation (the "Company"),
announced that it had entered into an agreement to sell four million shares of
Geron common stock to two investors at $4.60 per share, for gross proceeds of
$18.4 million. In connection with the sale, the Company issued warrants to
purchase an additional 600,000 shares at $6.34 per share. Finally, the Company
held an option to put an additional 400,000 shares to the investors, depending
on performance of the stock. Total proceeds from the issuances could upon
exercise amount to $24 million.

The shares were offered through a prospectus supplement to the Company's
effective universal shelf registration statement.

On April 8, 2003, the Company exercised its put option to the investors,
resulting in the issuance of an additional 400,000 shares of Geron common stock
at $4.60 per share, raising gross proceeds of approximately $1.8 million.

The amended stock purchase agreement is filed as an exhibit to this Current
Report on Form 8-K. The summary description of the event is qualified in its
entirety by reference to the document filed as an exhibit hereto.

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Item 7.  Exhibits.

     Exhibits
     --------

     10.4    Amended and Restated Common Stock Purchase Agreement dated as of
             April 8, 2003, by and between the Registrant and certain investors.



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                                   SIGNATURES


         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                GERON CORPORATION



Date:    April 9, 2003          By:      /s/ Thomas B. Okarma
                                         -------------------------------------
                                Name:    Thomas B. Okarma
                                Title:   President and Chief Executive Officer


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                                  EXHIBIT INDEX


     Exhibits
     --------

     10.4    Amended and Restated Common Stock Purchase Agreement dated as of
             April 8, 2003, by and between the Registrant and certain investors.


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