QUODD

Insider Transactions last 24 months for Geron Corporation - NSDQ: GERN

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Spiegel Robert J.	Director	06/30/2025	AA	Direct	COM	5,540	$1.41	$7,811.40	182,844
Lawlis V Bryan	Director	05/09/2025	AP	Direct	COM	13,300	$1.18	$15,667.40	13,300
Spiegel Robert J.	Director	03/31/2025	AA	Direct	COM	4,913	$1.59	$7,811.67	177,304
Ziegler James	EVP, Chief Commercial Officer	02/27/2025	AP	Direct	COM	100,000	$1.60	$160,000.00	100,000
Scarlett John A	Chairman, President and CEO	02/27/2025	AP	Direct	COM	12,500	$1.77	$22,062.50	12,500
Samuels Scott Alan	EVP, Chief Legal Officer	02/27/2025	AP	Direct	COM	15,000	$1.61	$24,150.00	26,682
Grethlein Andrew J	EVP, Chief Operating Officer	07/08/2024	DS	Direct	COM	674,348	$4.56	$3,073,003.84	0
Grethlein Andrew J	EVP, Chief Operating Officer	07/08/2024	AM	Direct	COM	674,348	$1.72	$1,159,878.56	674,348
Kapur Anil	EVP, Corp Strategy & CCO	06/10/2024	DS	Direct	COM	421,875	$4.65	$1,959,609.38	0
Kapur Anil	EVP, Corp Strategy & CCO	06/10/2024	AM	Direct	COM	421,875	$1.06	$447,187.50	421,875
Feller Faye	EVP, Chief Medical Officer	06/10/2024	DS	Direct	COM	287,900	$4.63	$1,334,128.60	0
Feller Faye	EVP, Chief Medical Officer	06/10/2024	AM	Direct	COM	155,400	$1.30	$201,243.00	155,400
Feller Faye	EVP, Chief Medical Officer	06/10/2024	AM	Direct	COM	20,000	$1.06	$21,200.00	20,000
Feller Faye	EVP, Chief Medical Officer	06/10/2024	AM	Direct	COM	112,500	$1.06	$119,250.00	112,500
Scarlett John A	Chairman, President and CEO	06/04/2024	DS	Direct	COM	600,000	$4.00	$2,400,000.00	600,000
Scarlett John A	Chairman, President and CEO	06/04/2024	AM	Direct	COM	600,000	$2.54	$1,524,000.00	600,000
Lawlis V Bryan	Director	05/15/2024	DS	Direct	COM	35,000	$3.75	$131,250.00	0
Lawlis V Bryan	Director	05/15/2024	AM	Direct	COM	35,000	$1.94	$67,900.00	35,000
Spiegel Robert J.	Director	09/29/2023	AA	Direct	COM	3,390	$0.00	$0.00	160,634
Molineaux Susan	Director	09/29/2023	AA	Indirect	COM	6,191	$0.00	$0.00	124,307

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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security \| D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) \| E = Expiration of short derivative position \| F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. \| G = Gift \| H = Expiration (or cancellation) of long derivative position with value received \| I = Discretionary transaction in accordance with Rule 16b-3(f) \| J = Other \| L = Small acquisition under Rule 16a-6 \| M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 \| O = Exercise of out-of-the-money derivative security \| P = Open market or private purchase \| S = Open market or private sale \| U = Disposition pursuant to a tender of shares in a change of control transaction \| W = Acquisition or disposition by will or the laws of descent and distribution \| X = Exercise of in-the-money or at-the-money derivative security \| Z = Deposit into or withdrawal from voting trust		Send to Excel

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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