SEC Insider Transactions from GRETHLEIN ANDREW J.

Last updated: 2026-03-14 11:23 UTC | Total transactions: 14

GRETHLEIN ANDREW J has filed 14 insider transactions across 1 company since February 2023.

Most recent transaction: a grant/award of 839000 shares of GERON CORP ($GERN) on February 18, 2025.

Activity breakdown: 0 open-market purchases and 3 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 18, 2025 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer A Stock Option (right to buy) 839000 $0.00 839,000.0000 646,033,247 9999.99% 0.13%
Feb. 18, 2025 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer A Restricted Stock Units 140000 $0.00 140,000.0000 646,033,247 9999.99% 0.02%
July 8, 2024 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer M Common Stock 674348 $1.72 674,348.0000 570,645,405 9999.99% 0.12%
July 8, 2024 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer S Common Stock 674348 $4.56 0.0000 570,645,405 100.00% 0.12%
July 8, 2024 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer M Stock Option (right to buy) 221544 $0.00 0.0000 570,645,405 100.00% 0.04%
July 8, 2024 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer M Stock Option (right to buy) 452804 $0.00 0.0000 570,645,405 100.00% 0.08%
June 6, 2024 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer A Employee Stock Option (right to buy) 452804 $0.00 452,804.0000 570,645,405 9999.99% 0.08%
Feb. 14, 2024 GERON CORP $GERN GRETHLEIN ANDREW J EVP, CHIEF OPERATING OFFICER A Employee Stock Option (Right to Buy) 1200000 $0.00 1,200,000.0000 570,645,405 9999.99% 0.21%
Aug. 15, 2023 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer A Employee Stock Option (right to buy) 221544 $0.00 221,544.0000 380,784,846 9999.99% 0.06%
Feb. 22, 2023 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer A Employee Stock Option (right to buy) 780000 $0.00 780,000.0000 380,784,846 9999.99% 0.20%
Feb. 9, 2023 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer M Common Stock 150000 $1.51 384,719.0000 380,784,846 63.91% 0.04%
Feb. 9, 2023 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer S Common Stock 150000 $3.03 234,719.0000 380,784,846 38.99% 0.04%
Feb. 9, 2023 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer S Common Stock 234719 $3.03 0.0000 380,784,846 100.00% 0.06%
Feb. 9, 2023 GERON CORP $GERN GRETHLEIN ANDREW J EVP, Chief Operating Officer M Employee Stock Option (right to buy) 150000 $0.00 0.0000 380,784,846 100.00% 0.04%