GERON CORP — Director's Dealing 2026

Feb 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GERON CORP (GERN)
CIK: 0000886744
Period of Report: 2026-02-17

Reporting Person: ROBERTSON MICHELLE (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-18	Common Stock	M	27500	—	Acquired	27500	Direct
2026-02-18	Common Stock	S	9855	$1.94	Disposed	17645	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-17	Stock Option (Right to Buy)	$1.80	A	1660000	Acquired	2036-02-16	Common Stock (1660000)	Direct
2026-02-18	Restricted Stock Units	$	M	27500	Disposed		Common Stock (27500)	Direct

Footnotes

F1: Shares of common stock acquired upon the vesting of restricted stock units ("RSUs").

F2: Represents shares of common stock sold to cover tax withholding and remittance obligations in connection with the vesting of RSUs pursuant to mandatory "sell to cover" policies maintained by the Issuer and provisions contained in the Reporting Person's applicable RSU agreement, and does not represent a discretionary sale by the Reporting Person.

F3: The option vests in 48 equal monthly installments commencing on March 17, 2026, provided that the Reporting Person provides continuous service to the Issuer on each such vesting date.

F4: Each RSU represents the contingent right to receive one share of the Issuer's common stock.

F5: The RSUs were granted on February 18, 2025 and vest in four consecutive equal annual installments from the date of grant, provided the Reporting Person continues to provide services to the Issuer through the applicable vesting date.