GERON CORP — Director's Dealing 2023

Feb 10, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GERON CORP (GERN)
CIK: 0000886744
Period of Report: 2023-02-09

Reporting Person: GRETHLEIN ANDREW J (EVP, Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-02-09	Common Stock	M	150000	$1.510	Acquired	384719	Direct
2023-02-09	Common Stock	S	150000	$3.03	Disposed	234719	Direct
2023-02-09	Common Stock	S	234719	$3.03	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-02-09	Employee Stock Option (right to buy)	$1.510	M	150000	Disposed	2023-02-12	Common Stock (150000)	Direct

Footnotes

F1: The options were fully vested.

F2: This transaction reflects an exercise and sale of options due to expire on February 12, 2023 and was conducted pursuant to an approved 10b5-1 trading plan adopted by the reporting person on January 9, 2023.

F3: Shares sold to meet tax obligations and pursuant to an approved 10b5-1 trading plan adopted by the reporting person on January 9, 2023.