EdgarLookup

GERON CORP — Insider Transactions

Form 4 filings by directors, officers, and 10%+ shareholders

SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.

Overview All Filings Annual Quarterly Insiders
Insider Title Type Shares Price Value Owns After Date
Spiegel Robert J. Award / Grant 5,702 $1.37 $7,812 188,546 Sep 30, 2025
Spiegel Robert J. Award / Grant 5,540 $1.41 $7,811 182,844 Jun 30, 2025
LAWLIS V BRYAN Purchase 13,300 $1.18 $15,694 13,300 May 9, 2025
Spiegel Robert J. Award / Grant 4,913 $1.59 $7,812 177,304 Mar 31, 2025
Samuels Scott Alan EVP, Chief Legal Officer Purchase 15,000 $1.61 $24,150 26,682 Feb 27, 2025
SCARLETT JOHN A Chairman, President and CEO Purchase 12,500 $1.77 $22,125 12,500 Feb 27, 2025
Ziegler James EVP, Chief Commercial Officer Purchase 100,000 $1.60 $160,000 100,000 Feb 27, 2025
Spiegel Robert J. Award / Grant 2,206 $3.54 $7,809 172,391 Dec 31, 2024
Spiegel Robert J. Award / Grant 2,206 172,391 Dec 31, 2024
Spiegel Robert J. Award / Grant 1,767 $4.54 $8,022 170,185 Sep 30, 2024
Spiegel Robert J. Award / Grant 1,767 170,185 Sep 30, 2024
GRETHLEIN ANDREW J EVP, Chief Operating Officer Option Exercise 674,348 $1.72 $1,159,879 674,348 Jul 8, 2024
Spiegel Robert J. Award / Grant 2,462 $3.30 $8,125 166,502 Jun 28, 2024
Spiegel Robert J. Award / Grant 2,462 166,502 Jun 28, 2024
Feller Faye EVP, Chief Medical Officer Option Exercise 20,000 $1.06 $21,200 20,000 Jun 10, 2024
Kapur Anil EVP, Corp Strategy & CCO Sale 421,875 $4.65 $1,961,719 Jun 10, 2024
SCARLETT JOHN A Chairman, President and CEO Option Exercise 600,000 $2.54 $1,524,000 600,000 Jun 4, 2024
LAWLIS V BRYAN Option Exercise 35,000 $1.94 $67,900 35,000 May 15, 2024
Spiegel Robert J. Award / Grant 3,406 164,040 Dec 29, 2023
Molineaux Susan Award / Grant 6,220 130,527 Dec 29, 2023
Aggarwal Gaurav Award / Grant 1,970 1,970 Dec 29, 2023
Molineaux Susan Award / Grant 6,191 124,307 Sep 29, 2023
Spiegel Robert J. Award / Grant 3,390 160,634 Sep 29, 2023
O'Farrell Elizabeth G. Purchase 6,579 $2.28 $15,000 26,220 Aug 24, 2023
Molineaux Susan Award / Grant 4,088 118,116 Jun 30, 2023
Spiegel Robert J. Award / Grant 2,239 157,244 Jun 30, 2023
Kapur Anil EVP, Corp Strategy & CCO Award / Grant 7,567 $2.04 $15,437 60,783 Jun 30, 2023
LAWLIS V BRYAN Option Exercise 35,000 $1.10 $38,500 35,000 May 11, 2023
Molineaux Susan Option Exercise 35,000 $1.10 $38,500 35,000 May 1, 2023
Molineaux Susan Award / Grant 6,048 114,028 Mar 31, 2023
Spiegel Robert J. Award / Grant 3,312 155,005 Mar 31, 2023
GRETHLEIN ANDREW J EVP, Chief Operating Officer Sale 234,719 $3.03 $711,199 Feb 9, 2023
Bloom Olivia Kyusuk EVP, Chief Financial Officer Sale 400,000 $3.08 $1,232,000 74,588 Feb 8, 2023
SCARLETT JOHN A Chairman, President and CEO Option Exercise 446,666 $1.50 $669,999 446,666 Feb 8, 2023
EASTHAM KARIN Option Exercise 35,000 $1.10 $38,500 109,047 Jan 13, 2023
Kapur Anil EVP, Corp Strategy & CCO Award / Grant 6,021 $1.11 $6,683 53,216 Dec 30, 2022
Spiegel Robert J. Award / Grant 2,970 151,693 Dec 30, 2022
Spiegel Robert J. Award / Grant 3,071 148,723 Sep 30, 2022
GRETHLEIN ANDREW J EVP, Chief Operating Officer Option Exercise 232,719 $1.70 $395,622 234,719 Sep 12, 2022
Kapur Anil EVP, Corp Strategy & CCO Award / Grant 13,062 $1.11 $14,499 47,195 Jun 30, 2022
Spiegel Robert J. Award / Grant 4,637 145,652 Jun 30, 2022
EASTHAM KARIN Option Exercise 35,000 $1.41 $49,350 74,047 Apr 20, 2022
Spiegel Robert J. Award / Grant 5,284 141,015 Mar 31, 2022
Spiegel Robert J. Award / Grant 5,891 135,731 Dec 31, 2021
Spiegel Robert J. Award / Grant 5,246 129,840 Sep 30, 2021
Spiegel Robert J. Award / Grant 5,097 124,594 Jun 30, 2021
Spiegel Robert J. Award / Grant 4,549 119,497 Mar 31, 2021
Spiegel Robert J. Award / Grant 4,520 114,948 Dec 31, 2020
Spiegel Robert J. Award / Grant 4,130 110,428 Sep 30, 2020
O'Farrell Elizabeth G. Purchase 17,441 $1.73 $30,173 19,641 Aug 21, 2020