GERON CORP

For the period ended May 20, 2026. Filed Apr 7, 2026.

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What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

May 20, 2026 · Filed Apr 7, 2026

GERN$0.99+4.2%Stored close · as of Nov 6, 2026

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934 (Amendment No. )

Filed by the Registrantx

Filed by a Party other than the Registranto

Check the appropriate box:

o	Preliminary Proxy Statement
o	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
x	Definitive Proxy Statement
o	Definitive Additional Materials
o	Soliciting Material Pursuant to §240.14a-12

GERON CORPORATION

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

x	No fee required.
o	Fee paid previously with preliminary materials.
o	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

919 E. Hillsdale Blvd., Suite 250 Foster City, CA 94404

		To The Stockholders
Notice of 2026 Annual Meeting of StockholdersDate:May 20, 2026Time:2:00 p.m., Eastern Daylight Time		You are cordially invited to attend the 2026 Annual Meeting of Stockholders (the “Annual Meeting”) of GERON CORPORATION, a Delaware corporation (the “Company”), to be held on Wednesday, May 20, 2026, at 2:00 p.m., Eastern Daylight Time. To facilitate stockholder participation in the Annual Meeting, we have determined that the Annual Meeting will be held in a virtual meeting format only, via the Internet, with no physical in-person meeting. You can attend the virtual Annual Meeting online, vote your shares electronically and submit your questions for consideration during the virtual Annual Meeting, by visiting www.virtualshareholdermeeting.com/GERN2026. You may log-in to the Annual Meeting beginning at 1:30 p.m. Eastern Daylight Time, on May 20, 2026. You will need to have your 16-Digit Control Number included in the Notice of Internet Availability of Proxy Materials, on your proxy card or on the instructions that accompanied your proxy materials to join the virtual Annual Meeting.The Annual Meeting will be held for the following purposes:
Place:www.virtualshareholdermeeting.com/GERN2026			To elect the three nominees for director named in the accompanying proxy statement (the “Proxy Statement”) to hold office as Class III members of the Board of Directors until the 2029 annual meeting of stockholders;
			To approve the amendment and restatement of the Company's 2018 Equity Incentive Plan to increase the aggregate number of shares of common stock available for issuance thereunder by 4,500,000 shares and to make certain other changes thereto as described further in the accompanying Proxy Statement;
		To approve, on an advisory basis, the compensation of our named executive officers, as disclosed in the accompanying Proxy Statement;
		To ratify the selection by the Audit Committee of the Board of Directors of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026; and
		To transact such other business as may properly come before the Annual Meeting or any postponement or adjournment thereof.
	The foregoing items of business are more fully described in the Proxy Statement accompanying this Notice.The Board of Directors has fixed the close of business on March 26, 2026 as the record date for the determination of stockholders entitled to notice of and to vote at the virtual Annual Meeting and at any adjournment or postponement thereof. Each stockholder is entitled to one vote for each share of common stock held at that time.As permitted by the rules of the Securities and Exchange Commission, we are pleased to furnish our proxy materials to stockholders primarily over the Internet. Consequently, most stockholders will receive a Notice of Internet Availability of Proxy Materials (the “Notice”) that contains instructions for accessing proxy materials and voting via the Internet, instead of paper copies of our proxy materials. We believe that this process will allow us to provide our stockholders with the information they need in a more timely manner, while reducing the environmental impact and lowering the costs of printing and distributing our proxy materials. However, this Notice will provide information on how stockholders may obtain paper copies of proxy materials if they choose. Stockholders who elect to continue to receive hard copies of proxy materials may help us reduce costs by opting to receive future proxy materials by e-mail. We intend to distribute the Notice and the proxy materials on or about April 7, 2026, to all stockholders of record entitled to vote at the Annual Meeting.

Your vote is important, and we encourage all stockholders to attend the Annual Meeting online. Whether or not you plan to attend the Annual Meeting online, we encourage you to read this proxy statement and submit your proxy or voting instructions as promptly as possible either via the Internet or by telephone as instructed by these materials, or, if you have requested and received a paper proxy card by mail, by completing, signing, dating and returning the proxy card mailed to you. Please review the instructions on each of your voting options described in the accompanying Proxy Statement. Stockholders who plan to attend the virtual Annual Meeting should follow the instructions atwww.virtualshareholdermeeting.com/GERN2026 to submit questions and vote during the virtual Annual Meeting.

Thank you for your ongoing support and continued interest in Geron Corporation.

By Order of the Board of Directors,

Michelle Robertson

Executive Vice President,

Chief Financial Officer, Treasurer and Interim Secretary

Foster City, California

April 7, 2026

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting to Be Held on May 20, 2026 atwww.virtualshareholdermeeting.com/GERN2026

The 2026 Proxy Statement and 2025 Annual Report on Form 10-K

are available at www.proxyvote.com.

YOUR VOTE IS VERY IMPORTANT, REGARDLESS OF THE NUMBER OF SHARES YOU OWN.

WHETHER OR NOT YOU EXPECT TO ATTEND THE VIRTUAL ANNUAL MEETING, WE URGE YOU TO VOTE BY PROXY PROMPTLY IN ORDER TO ASSURE THAT A QUORUM IS PRESENT. EVEN IF YOU HAVE VOTED BY PROXY BEFORE THE VIRTUAL ANNUAL MEETING. YOU MAY STILL ATTEND AND VOTE YOUR SHARES AT THE VIRTUAL ANNUAL MEETING ONLINE. YOU WILL NEED TO HAVE YOUR 16-DIGIT CONTROL NUMBER INCLUDED IN THE NOTICE OF INTERNET AVAILABILITY OF PROXY MATERIALS, ON YOUR PROXY CARD OR ON THE INSTRUCTIONS THAT ACCOMPANIED YOUR PROXY MATERIALS TO JOIN AND VOTE AT THE VIRTUAL ANNUAL MEETING.

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