SEC Insider Transactions from Grissinger Michael.

Last updated: 2026-03-14 10:34 UTC | Total transactions: 6

Grissinger Michael has filed 6 insider transactions across 3 companies since June 2024.

Most recent transaction: a grant/award of 1045 shares of Aprea Therapeutics, Inc. ($APRE) on June 05, 2025.

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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
June 5, 2025 Aprea Therapeutics, Inc. $APRE Grissinger Michael Director A Common Stock 1045 $0.00 2,889.0000 5,993,866 56.67% 0.02%
June 5, 2025 Aprea Therapeutics, Inc. $APRE Grissinger Michael Director A Stock Options (Right to Buy) 4185 $0.00 4,185.0000 5,993,866 9999.99% 0.07%
April 17, 2025 Adicet Bio, Inc. $ACET Grissinger Michael Not found A Stock Option (Right to Buy) 70200 $0.00 70,200.0000 82,685,750 9999.99% 0.08%
June 28, 2024 Akari Therapeutics Plc $AKTX Grissinger Michael Not found A Stock Option (Right to Buy) 5000000 $0.00 5,000,000.0000 0 9999.99% 0.00%
June 20, 2024 Aprea Therapeutics, Inc. $APRE Grissinger Michael Director A Common Stock 1045 $0.00 1,844.0000 4,198,326 130.79% 0.02%
June 20, 2024 Aprea Therapeutics, Inc. $APRE Grissinger Michael Director A Stock Options (Right to Buy) 4185 $0.00 4,185.0000 4,198,326 9999.99% 0.10%