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CIK 0000886744 · Large accelerated filer

Ticker
GERN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
752287752
Phone
6504737700
Business address
919 EAST HILLSDALE BOULEVARD, SUITE 250, FOSTER CITY, CA, 94404
Former names
GERON CORPORATION
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-09-30 Spiegel Robert J. Director Grant or award +6,351 $1.23 $8K 212,161
2026-06-30 Spiegel Robert J. Director Grant or award +6,103 $1.28 $8K 205,810
2026-05-20 McDonald John F Director Grant or award · Stock Option (right to buy) +220,000 220,000
2026-05-20 O'Farrell Elizabeth G. Director Grant or award · Stock Option (right to buy) +220,000 220,000
2026-05-20 Bir Dawn Carter Director Grant or award · Stock Option (right to buy) +220,000 220,000
2026-05-20 Molineaux Susan Director Grant or award · Stock Option (right to buy) +220,000 220,000
2026-05-20 Spiegel Robert J. Director Grant or award · Stock Option (right to buy) +220,000 220,000
2026-04-13 Williams Timothy EVP and Chief Legal Officer Grant or award · Stock Option (Right to Buy) +2,500,000 2,500,000
2026-03-31 Spiegel Robert J. Director Grant or award +5,243 $1.49 $8K 199,707
2026-03-25 Chinoporos Constantine Director Grant or award · Stock Option (Right to Buy) +270,000 270,000
2026-03-25 Andrews Patricia S Director Grant or award · Stock Option (Right to Buy) +270,000 270,000
2026-02-18 ROBERTSON MICHELLE EVP, CHIEF FINANCIAL OFFICER Option exercise +27,500 27,500
2026-02-18 ROBERTSON MICHELLE EVP, CHIEF FINANCIAL OFFICER Sale −9,855 $1.94 $19K 17,645
2026-02-18 ROBERTSON MICHELLE EVP, CHIEF FINANCIAL OFFICER Option exercise · Restricted Stock Units −27,500 82,500
2026-02-17 Eid Joseph EVP, R&D; Chief Medical Office Grant or award · Stock Option (Right to Buy) +2,220,000 2,220,000
2026-02-17 ROBERTSON MICHELLE EVP, CHIEF FINANCIAL OFFICER Grant or award · Stock Option (Right to Buy) +1,660,000 1,660,000
2025-12-31 Spiegel Robert J. Director Grant or award +5,918 $1.32 $8K 194,464
2025-10-20 ElNawawi Ahmed EVP, Chief Commercial Officer Grant or award · Stock Option (right to buy) +3,000,000 3,000,000
2025-09-30 Spiegel Robert J. Director Grant or award +5,702 $1.37 $8K 188,546
2025-08-07 Semerjian Harout President and CEO Grant or award · Stock Option (right to buy) +7,000,000 7,000,000

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