GERN awards 3.0M options to EVP; vesting begins April 2026

Rhea-AI Filing Summary

Geron Corporation (GERN) reported an insider equity award. On 10/20/2025, the company granted its EVP, Chief Commercial Officer a stock option covering 3,000,000 shares of common stock at an exercise price of $1.27 per share, recorded at a grant price of $0 for the derivative security.

The option expires on 10/19/2035. Vesting is scheduled as follows: 375,000 shares vest on April 20, 2026; the remaining 2,625,000 shares vest in 42 equal monthly installments commencing April 20, 2026, contingent on continued service. The filing indicates direct ownership of the derivative securities following the grant.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider ElNawawi Ahmed

Role EVP, Chief Commercial Officer

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy)	3,000,000	$0.00	--

Holdings After Transaction: Stock Option (right to buy) — 3,000,000 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

ElNawawi Ahmed

(Last) (First) (Middle)

C/O GERON CORPORATION

919 E. HILLSDALE BLVD, SUITE 250

(Street)

FOSTER CITY CA 94404

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
GERON CORP [ GERN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Commercial Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/20/2025

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

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

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

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

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
Stock Option (right to buy)	$1.27	10/20/2025		A		3,000,000		(1)	10/19/2035	Common Stock	3,000,000	$0	3,000,000	D

Explanation of Responses:

1. The options vest as follows: 375,000 shares on April 20, 2026, the remaining 2,625,000 shares in a series of 42 equal monthly installments commencing April 20, 2026, provided the optionee continues to provide services to the Company.

Remarks:

	/s/ Scott A. Samuels for Ahmed ElNawawi	10/20/2025
	** 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.

FAQ

What did Geron (GERN) disclose in this Form 4?

A grant of stock options for 3,000,000 shares at an exercise price of $1.27 to the EVP, Chief Commercial Officer on 10/20/2025.

What is the vesting schedule for the GERN stock options?

Vesting occurs as 375,000 shares on April 20, 2026, with the remaining 2,625,000 shares vesting in 42 equal monthly installments starting April 20, 2026.

When do the GERN options expire?

The options expire on 10/19/2035.

What is the exercise price of the options granted by Geron?

The exercise price is $1.27 per share.

How many derivative securities are beneficially owned after the transaction?

The filing shows 3,000,000 derivative securities beneficially owned directly after the grant.

What role does the reporting person hold at Geron (GERN)?

The reporting person is EVP, Chief Commercial Officer.