Geron (GERN) director Robert J. Spiegel receives 6,103-share stock grant for board fees

Rhea-AI Filing Summary

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

Geron Corp director Robert J. Spiegel received 6,103 shares of common stock as compensation. The shares were granted on June 30, 2026 in lieu of cash payment for his quarterly board retainer and committee fees, based on the company’s closing share price of $1.28 that day.

Following this grant, Spiegel directly holds 205,810 Geron common shares. This is a routine, compensation-related stock award rather than an open-market purchase, so it mainly reflects how the company structures director pay, not an active trading decision.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Spiegel Robert J.

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	6,103	$1.28	$8K

Holdings After Transaction: Common Stock — 205,810 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares granted: 6,103 shares Grant valuation price: $1.28 per share Total holdings after grant: 205,810 shares

3 metrics

Shares granted 6,103 shares Stock issued in lieu of quarterly board and committee cash fees

Grant valuation price $1.28 per share Closing price of Geron common stock on June 30, 2026

Total holdings after grant 205,810 shares Robert J. Spiegel’s direct Geron common stock holdings post-transaction

Key Terms

grant/award acquisition, quarterly board of directors' retainer, committee fees

3 terms

grant/award acquisition financial

"transaction_action: grant/award acquisition"

quarterly board of directors' retainer financial

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

committee fees financial

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/01/2026 - 05:45 PM Accepted by SEC EDGAR 07/01/2026 - 05:45 PM Learn about SEC filing dates

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)
06/30/2026

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	06/30/2026		A(1)		6,103	A	$1.28(1)	205,810	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 June 30, 2026 of $1.28 per share.

	/s/ Michelle Robertson, Attorney-in-fact for Robert J. Spiegel	07/01/2026
	** 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)

FAQ

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

Robert J. Spiegel reported receiving 6,103 Geron common shares as a stock grant. The award represents quarterly board and committee fees paid in shares instead of cash, reflecting standard director compensation rather than an open-market stock purchase.

What was the price used for Robert J. Spiegel’s Geron (GERN) stock grant?

The grant was valued using Geron’s June 30, 2026 closing price of $1.28 per share. This price determined how many shares Spiegel received in lieu of cash compensation for his quarterly board retainer and committee fees.

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

After the reported grant, Robert J. Spiegel directly holds 205,810 Geron common shares. This total includes the 6,103-share award issued as non-cash compensation for his service on the company’s board and its committees.

Was Robert J. Spiegel’s Geron (GERN) Form 4 a market purchase or a compensation grant?

The Form 4 reflects a compensation grant, not a market purchase. Shares were issued in lieu of cash for quarterly board and committee fees, making this a routine award rather than an active buying or selling decision in the open market.

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

Geron paid Robert J. Spiegel’s quarterly board retainer and committee fees in stock instead of cash. The company issued 6,103 shares based on the June 30, 2026 closing price, aligning director compensation partly with shareholder equity performance.