Geron director granted 5,243 shares as board pay

Spiegel Robert J. reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 04/01/2026 - 04:30 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Spiegel Robert J. reported acquisition or exercise transactions in this Form 4 filing.

Geron Corp director Robert J. Spiegel received 5,243 shares of common stock as part of his board compensation. The shares were granted in lieu of cash for his quarterly board retainer and committee fees, using a reference price of $1.49 per share based on the March 31, 2026 closing price. Following this stock award, he directly holds 199,707 Geron common shares.

Insider Trade Summary

Grant/Award: 5,243 shares

Grant/Award 1 txn

Insider Spiegel Robert J.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,243	$1.49	$8K

Holdings After Transaction: Common Stock — 199,707 shares (Direct)

Footnotes (1)

1. F1. Shares issued in lieu of cash compensation for quarterly board of directors' retainer and committee fees. Number of shares issued based on the closing price of the Issuer's common stock on March 31, 2026 of $1.49 per share.

Key Figures

Shares granted: 5,243 shares Reference share price: $1.49 per share Shares owned after grant: 199,707 shares

3 metrics

Shares granted 5,243 shares Compensation grant on March 31, 2026

Reference share price $1.49 per share Geron closing price on March 31, 2026 used for grant

Shares owned after grant 199,707 shares Robert J. Spiegel direct Geron common stock holdings post-transaction

Key Terms

in lieu of cash compensation, quarterly board of directors' retainer, committee fees, Grant, award, or other acquisition

4 terms

in lieu of cash compensation financial

"Shares issued in lieu of cash compensation for quarterly board of directors' retainer"

quarterly board of directors' retainer financial

"cash compensation for quarterly board of directors' retainer and committee fees"

committee fees financial

"cash compensation for quarterly board of directors' retainer and committee fees"

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Geron (GERN) report for Robert J. Spiegel?

Geron reported that director Robert J. Spiegel received 5,243 shares of common stock as a grant. The award represents quarterly board retainer and committee fees paid in stock instead of cash, using a reference price of $1.49 per share based on March 31, 2026.

Was the Geron (GERN) Form 4 transaction a stock purchase or a compensation grant?

The Form 4 transaction is a compensation grant, not an open-market stock purchase. Shares were issued to director Robert J. Spiegel in lieu of cash compensation for his quarterly board retainer and committee fees, based on Geron’s March 31, 2026 closing price of $1.49.

How many Geron (GERN) shares does Robert J. Spiegel hold after this Form 4 grant?

After receiving 5,243 shares as a stock award, Robert J. Spiegel directly holds 199,707 shares of Geron common stock. This updated ownership figure reflects his position immediately following the March 31, 2026 compensation-related issuance disclosed in the Form 4 filing.

What price was used to calculate Robert J. Spiegel’s Geron (GERN) stock compensation?

The number of shares issued to Robert J. Spiegel was based on Geron’s March 31, 2026 closing stock price of $1.49 per share. That price determined how many shares replaced his quarterly cash retainer and committee fees for board service.

Why did Geron (GERN) issue shares instead of cash to its director Robert J. Spiegel?

Geron issued shares instead of cash to compensate Robert J. Spiegel for his quarterly board retainer and committee fees. Paying directors in stock aligns part of their compensation with shareholder value and is documented here as a grant of 5,243 common shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Spiegel Robert J.

(Last) (First) (Middle)

C/O GERON CORPORATION

919 EAST HILLSDALE BOULEVARD, SUITE 250

(Street)

FOSTER CITY CALIFORNIA 94404

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	03/31/2026		A(1)		5,243	A	$1.49(1)	199,707	D

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Shares issued in lieu of cash compensation for quarterly board of directors' retainer and committee fees. Number of shares issued based on the closing price of the Issuer's common stock on March 31, 2026 of $1.49 per share.

	/s/ Michelle Robertson, Attorney-in-fact for Robert J. Spiegel	04/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)