------------------------------------------------------------------------------- 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): November 5, 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 November 5, 2003, Geron Corporation announced that the underwriters of its recent public offering of 5,000,000 shares of common stock have exercised their over-allotment option in full to purchase 750,000 additional shares. The Company's press release announcing the over-allotment exercise 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. 2 Item 7. Exhibits. Exhibits --------- 99.1 Press Release dated November 5, 2003. 3 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: November 5, 2003 By: /s/ William D. Stempel --------------------------------- Name: William D. Stempel Title: Vice President and General Counsel 4 EXHIBIT INDEX Exhibits --------- 99.1 Press Release dated November 5, 2003. 5