GERN

SEC source: 0000950170-24-082686 · ownership.xml · derivative · entry 4

GRETHLEIN ANDREW J · CIK 0001270921 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 452,804 shares

Expires 2028-11-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Option fully vested.

SEC source: 0000950170-24-082686 · ownership.xml · derivative · entry 3

GRETHLEIN ANDREW J · CIK 0001270921 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 221,544 shares

Expires 2028-11-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Option fully vested.

SEC source: 0000950170-24-082686 · ownership.xml · nonDerivative · entry 2

GRETHLEIN ANDREW J · CIK 0001270921 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transacations at price ranging from $4.49 to $4.65, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each seperate price within the range set forth in this footnote.

SEC source: 0000950170-24-082686 · ownership.xml · nonDerivative · entry 1

GRETHLEIN ANDREW J · CIK 0001270921 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 674,348

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-24-079169 · ownership.xml · nonDerivative · entry 2

Spiegel Robert J. · CIK 0001492256 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168,418

F2 · kind: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on close price of Geron Common stock on June 28, 2024 of $4.24 per share.

F2 · price: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on close price of Geron Common stock on June 28, 2024 of $4.24 per share.

SEC source: 0000950170-25-049533 · ownership.xml · nonDerivative · entry 2

Spiegel Robert J. · CIK 0001492256 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168,418

F2 · kind: 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 28, 2024 of $4.24 per share.

F2 · price: 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 28, 2024 of $4.24 per share.

SEC source: 0000950170-24-072420 · ownership.xml · derivative · entry 7

Feller Faye · CIK 0001937361 · EVP, Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 155,400 shares

Expires 2030-02-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Option fully vested.

SEC source: 0000950170-24-072420 · ownership.xml · derivative · entry 6

Feller Faye · CIK 0001937361 · EVP, Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,000 shares

Expires 2032-02-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Option fully vested.

SEC source: 0000950170-24-072420 · ownership.xml · derivative · entry 5

Feller Faye · CIK 0001937361 · EVP, Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,500

Underlying: Common Stock · 112,500 shares

Expires 2032-02-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: This option vests in a series of 48 consecutive equal monthly installments commencing February 16, 2022 (of which 112,500 shares were vested as of the exercise date), provided the optionee continues to provide services to the Company.

SEC source: 0000950170-24-072420 · ownership.xml · nonDerivative · entry 4

Feller Faye · CIK 0001937361 · EVP, Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.52 to $4.73, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0000950170-24-072420 · ownership.xml · nonDerivative · entry 3

Feller Faye · CIK 0001937361 · EVP, Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155,400

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-24-072420 · ownership.xml · nonDerivative · entry 2

Feller Faye · CIK 0001937361 · EVP, Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-24-072420 · ownership.xml · nonDerivative · entry 1

Feller Faye · CIK 0001937361 · EVP, Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-24-072418 · ownership.xml · derivative · entry 3

Kapur Anil · CIK 0001730703 · EVP, Corp Strategy & CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 328,125

Underlying: Common Stock · 421,875 shares

Expires 2032-02-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: This option vests in a series of 48 consecutive equal monthly installments commencing February 16, 2022 (of which 421,875 shares were vested as of the exercise date), provided the optionee continues to provide services to the Company.

SEC source: 0000950170-24-072418 · ownership.xml · nonDerivative · entry 2

Kapur Anil · CIK 0001730703 · EVP, Corp Strategy & CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transacations at price ranging from $4.52 to $4.74, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each seperate price within the range set forth in this footnote.

SEC source: 0000950170-24-072418 · ownership.xml · nonDerivative · entry 1

Kapur Anil · CIK 0001730703 · EVP, Corp Strategy & CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 421,875

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-24-070626 · ownership.xml · derivative · entry 1

Kapur Anil · CIK 0001730703 · EVP, Corp Strategy & CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250,000

Underlying: Common Stock · 250,000 shares

Expires 2029-12-01

F1 · derivative.exercise_date: Performance-based stock option granted on December 2, 2019 and vested in full on June 6, 2024 upon approval of the NDA by the US FDA for imetelstat in lower risk MDS.

SEC source: 0000950170-24-070625 · ownership.xml · derivative · entry 1

SCARLETT JOHN A · CIK 0001270928 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,000,000

Underlying: Common Stock · 1,000,000 shares

Expires 2028-11-06

F1 · derivative.exercise_date: Performance-based stock option granted on November 7, 2018 and vested in full on June 6, 2024 upon approval by the US FDA for imetelstat in lower risk MDS.

SEC source: 0000950170-24-070622 · ownership.xml · derivative · entry 2

Feller Faye · CIK 0001937361 · EVP, Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Common Stock · 200,000 shares

Expires 2032-07-07

F2 · derivative.exercise_date: Performance-based stock option granted on July 9, 2022 and vested in full on June 6, 2024 upon approval by the US FDA for imetelstat in lower risk MDS.

SEC source: 0000950170-24-070622 · ownership.xml · derivative · entry 1

Feller Faye · CIK 0001937361 · EVP, Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2032-02-15

F1 · derivative.exercise_date: Performance-based stock option granted on February 16, 2022 and vested in full on June 6, 2024 upon approval by the US FDA for imetelstat in lower risk MDS.

SEC source: 0000950170-24-070624 · ownership.xml · derivative · entry 1

Samuels Scott Alan · CIK 0001987259 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250,000

Underlying: Common Stock · 250,000 shares

Expires 2033-07-31

F1 · derivative.exercise_date: Performance-based stock option granted on August 1, 2023 and vested in full on June 6, 2024 upon approval by the US FDA for imetelstat in lower risk MDS.

SEC source: 0000950170-24-070620 · ownership.xml · derivative · entry 1

GRETHLEIN ANDREW J · CIK 0001270921 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 452,804

Underlying: Common Stock · 452,804 shares

Expires 2028-11-06

F1 · derivative.exercise_date: Performance-based stock option granted on November 7, 2018 and vested in full on June 6, 2024 upon approval by the US FDA for imetelstat in lower risk MDS.

SEC source: 0000950170-24-070623 · ownership.xml · derivative · entry 1

ROBERTSON MICHELLE · CIK 0001755098 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250,000

Underlying: Common Stock · 250,000 shares

Expires 2033-09-24

F1 · derivative.exercise_date: Performance-based stock option granted on September 25, 2023 and vested in full on June 6, 2024 upon approval by the US FDA for imetelstat in lower risk MDS.

SEC source: 0000950170-24-069289 · ownership.xml · derivative · entry 3

SCARLETT JOHN A · CIK 0001270928 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 600,000 shares

Expires 2026-02-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction reflects an exercise and sale of options due to expire on February 11, 2026 and was conducted pursuant to an approved 10b5-1 trading plan adopted by the reporting person on February 20, 2024.

F2 · derivative.exercise_date: Option was fully vested.

SEC source: 0000950170-24-069289 · ownership.xml · nonDerivative · entry 2

SCARLETT JOHN A · CIK 0001270928 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600,000

F1 · kind: This transaction reflects an exercise and sale of options due to expire on February 11, 2026 and was conducted pursuant to an approved 10b5-1 trading plan adopted by the reporting person on February 20, 2024.

SEC source: 0000950170-24-069289 · ownership.xml · nonDerivative · entry 1

SCARLETT JOHN A · CIK 0001270928 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This transaction reflects an exercise and sale of options due to expire on February 11, 2026 and was conducted pursuant to an approved 10b5-1 trading plan adopted by the reporting person on February 20, 2024.

SEC source: 0000950170-24-061615 · ownership.xml · derivative · entry 3

LAWLIS V BRYAN · CIK 0001247681 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 35,000 shares

Expires 2024-05-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: This transaction reflects an exercise and sale of options due to expire on May 20, 2024, and was conducted pursuant to an approved 10b5-1 trading plan adopted by the reporting person on February 14, 2024.

F3 · derivative.exercise_date: Option was fully vested.

SEC source: 0000950170-24-061615 · ownership.xml · nonDerivative · entry 2

LAWLIS V BRYAN · CIK 0001247681 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F2 · kind: This transaction reflects an exercise and sale of options due to expire on May 20, 2024, and was conducted pursuant to an approved 10b5-1 trading plan adopted by the reporting person on February 14, 2024.

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.715 to $3.790, inclusive. The reporting person undertakes to provide to Geron Corporation, any security holder of Geron Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0000950170-24-061615 · ownership.xml · nonDerivative · entry 1

LAWLIS V BRYAN · CIK 0001247681 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: This transaction reflects an exercise and sale of options due to expire on May 20, 2024, and was conducted pursuant to an approved 10b5-1 trading plan adopted by the reporting person on February 14, 2024.

SEC source: 0000950170-24-057797 · ownership.xml · derivative · entry 1

McDonald John F · CIK 0001944633 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2034-05-08

F1 · derivative.exercise_date: This option will vest and become exercisable as to 100% of the shares of common stock subject to such option on the earlier of (i) the date of the next annual meeting of the Company's stockholders or (ii) the first anniversary of the date of grant of such option, subject to the non-employee director's continuous service with the Company through such dates.

SEC source: 0000950170-24-057796 · ownership.xml · derivative · entry 1

Bir Dawn Carter · CIK 0001688712 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2034-05-08

F1 · derivative.exercise_date: This option will vest and become exercisable as to 100% of the shares of common stock subject to such option on the earlier of (i) the date of the next annual meeting of the Company's stockholders or (ii) the first anniversary of the date of grant of such option, subject to the non-employee director's continuous service with the Company through such dates.

SEC source: 0000950170-24-057799 · ownership.xml · derivative · entry 1

Spiegel Robert J. · CIK 0001492256 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2034-05-08

F1 · derivative.exercise_date: This option will vest and become exercisable as to 100% of the shares of common stock subject to such option on the earlier of (i) the date of the next annual meeting of the Company's stockholders or (ii) the first anniversary of the date of grant of such option, subject to the non-employee director's continuous service with the Company through such dates

SEC source: 0000950170-24-057800 · ownership.xml · derivative · entry 1

Aggarwal Gaurav · CIK 0001551965 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2034-05-08

F1 · derivative.exercise_date: This option will vest and become exercisable as to 100% of the shares of common stock subject to such option on the earlier of (i) the date of the next annual meeting of the Company's stockholders or (ii) the first anniversary of the date of grant of such option, subject to the non-employee director's continuous service with the Company through such dates.

SEC source: 0000950170-24-057798 · ownership.xml · derivative · entry 1

Molineaux Susan · CIK 0001553389 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2034-05-08

F1 · derivative.exercise_date: This option will vest and become exercisable as to 100% of the shares of common stock subject to such option on the earlier of (i) the date of the next annual meeting of the Company's stockholders or (ii) the first anniversary of the date of grant of such option, subject to the non-employee director's continuous service with the Company through such dates.

SEC source: 0000950170-24-057795 · ownership.xml · derivative · entry 1

LAWLIS V BRYAN · CIK 0001247681 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2034-05-08

F1 · derivative.exercise_date: This option will vest and become exercisable as to 100% of the shares of common stock subject to such option on the earlier of (i) the date of the next annual meeting of the Company's stockholders or (ii) the first anniversary of the date of grant of such option, subject to the non-employee director's continuous service with the Company through such dates

SEC source: 0000950170-24-057794 · ownership.xml · derivative · entry 1

O'Farrell Elizabeth G. · CIK 0001744662 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2034-05-08

F1 · derivative.exercise_date: This option will vest and become exercisable as to 100% of the shares of common stock subject to such option on the earlier of (i) the date of the next annual meeting of the Company's stockholders or (ii) the first anniversary of the date of grant of such option, subject to the non-employee director's continuous service with the Company through such dates.

SEC source: 0000950170-24-079169 · ownership.xml · nonDerivative · entry 1

Spiegel Robert J. · CIK 0001492256 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,502

F1 · kind: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on close price of Geron Common stock on March 29, 2024 of $3.30 per share.

F1 · price: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on close price of Geron Common stock on March 29, 2024 of $3.30 per share.

SEC source: 0000950170-25-049533 · ownership.xml · nonDerivative · entry 1

Spiegel Robert J. · CIK 0001492256 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,502

F1 · kind: 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 28, 2024 of $3.30 per share, as March 29, 2024 was a Nasdaq market holiday.

F1 · price: 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 28, 2024 of $3.30 per share, as March 29, 2024 was a Nasdaq market holiday.

SEC source: 0001415889-24-004109 · form4-02162024_090243.xml · derivative · entry 1

Feller Faye · CIK 0001937361 · EVP, CHIEF MEDICAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 750,000

Underlying: Common Stock · 750,000 shares

Expires 2034-02-13

F1 · derivative.exercise_date: This option vests in a series of 48 consecutive equal monthly installments commencing February 14, 2024, provided the optionee continues to provide service to the Company.

SEC source: 0001415889-24-004105 · form4-02162024_090237.xml · derivative · entry 1

Kapur Anil · CIK 0001730703 · EVP, CORP STRATEGY & CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 750,000

Underlying: Common Stock · 750,000 shares

Expires 2034-02-13

F1 · derivative.exercise_date: This option vests in a series of 48 consecutive equal monthly installments commencing February 14, 2024, provided the optionee continues to provide service to the Company.

SEC source: 0001415889-24-004097 · form4-02162024_090225.xml · derivative · entry 1

Samuels Scott Alan · CIK 0001987259 · EVP & CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 850,000

Underlying: Common Stock · 850,000 shares

Expires 2034-02-13

F1 · derivative.exercise_date: This option vests in a series of 48 consecutive equal monthly installments commencing February 14, 2024, provided the optionee continues to provide service to the Company.

SEC source: 0001415889-24-004096 · form4-02162024_090217.xml · derivative · entry 1

ROBERTSON MICHELLE · CIK 0001755098 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 850,000

Underlying: Common Stock · 850,000 shares

Expires 2034-02-13

F1 · derivative.exercise_date: This option vests in a series of 48 consecutive equal monthly installments commencing February 14, 2024, provided the optionee continues to provide service to the Company.

SEC source: 0001415889-24-004095 · form4-02162024_090218.xml · derivative · entry 1

GRETHLEIN ANDREW J · CIK 0001270921 · EVP, CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,200,000

Underlying: Common Stock · 1,200,000 shares

Expires 2034-02-13

F1 · derivative.exercise_date: This option vests in a series of 48 consecutive equal monthly installments commencing February 14, 2024, provided the optionee continues to provide service to the Company.

SEC source: 0001415889-24-004094 · form4-02162024_090200.xml · derivative · entry 1

SCARLETT JOHN A · CIK 0001270928 · Director · CHAIRMAN, PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,000,000

Underlying: Common Stock · 3,000,000 shares

Expires 2034-02-13

F1 · derivative.exercise_date: This option vests in a series of 48 consecutive equal monthly installments commencing February 14, 2024, provided the optionee continues to provide service to the Company.

SEC source: 0001209191-24-000547 · doc4.xml · nonDerivative · entry 1

Spiegel Robert J. · CIK 0001492256 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,040

F1 · kind: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of the Issuer's Common Stock on December 29, 2023 of $2.11 per share.

F1 · price: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of the Issuer's Common Stock on December 29, 2023 of $2.11 per share.

SEC source: 0001209191-24-000546 · doc4.xml · nonDerivative · entry 1

Molineaux Susan · CIK 0001553389 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Family Trust

Disclosed balance after: 130,527

F1 · kind: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of the Issuer's Common Stock on December 29, 2023 of $2.11 per share.

F1 · price: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of the Issuer's Common Stock on December 29, 2023 of $2.11 per share.

SEC source: 0001209191-24-000545 · doc4.xml · nonDerivative · entry 1

Aggarwal Gaurav · CIK 0001551965 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,970

F1 · kind: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of the Issuer's Common Stock on December 29, 2023 of $2.11 per share.

F1 · price: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of the Issuer's Common Stock on December 29, 2023 of $2.11 per share.

SEC source: 0001209191-23-056767 · doc4.xml · derivative · entry 1

Aggarwal Gaurav · CIK 0001551965 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Common Stock · 200,000 shares

Expires 2033-11-25

F1 · derivative.exercise_date: This option vests in a series of three equal consecutive annual installments commencing from November 26, 2023, subject to the non-employee director providing continuous service to the Company through each vesting date.

SEC source: 0001062993-23-018726 · form4.xml · nonDerivative · entry 1

Molineaux Susan · CIK 0001553389 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Family Trust

Disclosed balance after: 124,307

F1 · kind: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of Geron Common Stock on September 29, 2023 of $2.12 per share.

F1 · price: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of Geron Common Stock on September 29, 2023 of $2.12 per share.

SEC source: 0001062993-23-018725 · form4.xml · nonDerivative · entry 1

Spiegel Robert J. · CIK 0001492256 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,634

F1 · kind: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of Geron Common Stock on September 29, 2023 of $2.12 per share.

F1 · price: Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of Geron Common Stock on September 29, 2023 of $2.12 per share.