-------------------------------------------------------------------------------- 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): July 1, 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 Menlo Park, California 94025 (Address of principal executive offices) (Zip Code) (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 July 1, 2003, the Registrant publicly disseminated a press release announcing that the Registrant had completed its research collaboration with Celera Genomics Group, an Applera Corporation business. Geron and Celera collaborated to sequence, identify, and analyze the function of genes expressed in human embryonic stem cells (hESCs), both in their undifferentiated state and in the course of their differentiation. The foregoing description is qualified in its entirety by reference to the Registrant's Press Release dated July 1, 2003, a copy of which is attached hereto as Exhibit 99.1. ITEM 7. EXHIBITS (c) Exhibits. 99.1 Registrant's Press Release dated July 1, 2003. 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: July 1, 2003 By: /s/ William D. Stempel ----------------------------------- Name: William D. Stempel Title: Vice President and General Counsel