SEC Insider Transactions from Jackson Scott Thomas.

Last updated: 2026-03-16 13:01 UTC | Total transactions: 20

Jackson Scott Thomas has filed 20 insider transactions across 4 companies since May 2023.

Most recent transaction: a disposition of 15021 shares of Mural Oncology plc ($MURA) on December 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
Dec. 5, 2025 Mural Oncology plc $MURA Jackson Scott Thomas Not found D Stock Option (right to buy) 15021 $0.00 0.0000 17,344,486 100.00% 0.09%
Dec. 5, 2025 Mural Oncology plc $MURA Jackson Scott Thomas Not found D Stock Option (right to buy) 8637 $0.00 0.0000 17,344,486 100.00% 0.05%
Dec. 5, 2025 Mural Oncology plc $MURA Jackson Scott Thomas Not found D Stock Option (right to buy) 8462 $0.00 0.0000 17,344,486 100.00% 0.05%
June 12, 2025 Spero Therapeutics, Inc. $SPRO Jackson Scott Thomas Not found A Common Stock 20000 $0.00 75,000.0000 55,900,641 36.36% 0.04%
June 11, 2025 Mural Oncology plc $MURA Jackson Scott Thomas Not found A Stock Option (right to buy) 8637 $0.00 8,637.0000 17,228,291 9999.99% 0.05%
May 20, 2025 MACROGENICS INC $MGNX Jackson Scott Thomas Director M Common Stock 6500 $0.00 11,000.0000 62,621,185 144.44% 0.01%
May 21, 2025 MACROGENICS INC $MGNX Jackson Scott Thomas Director A Stock Option (right to buy) 22000 $0.00 22,000.0000 62,621,185 9999.99% 0.04%
May 21, 2025 MACROGENICS INC $MGNX Jackson Scott Thomas Director A Restricted Stock Unit 3750 $0.00 3,750.0000 62,621,185 9999.99% 0.01%
May 20, 2025 MACROGENICS INC $MGNX Jackson Scott Thomas Director M Restricted Stock Unit 6500 $0.00 0.0000 62,621,185 100.00% 0.01%
May 30, 2024 Mural Oncology plc $MURA Jackson Scott Thomas Not found A Stock Option (right to buy) 8462 $0.00 8,462.0000 0 9999.99% 0.00%
May 30, 2024 Mural Oncology plc $MURA Jackson Scott Thomas Not found A Stock Option (right to buy) 8462 $3.35 8,462.0000 0 9999.99% 0.00%
May 29, 2024 Spero Therapeutics, Inc. $SPRO Jackson Scott Thomas Not found A Common Stock 20000 $0.00 55,000.0000 0 57.14% 0.00%
May 21, 2024 MACROGENICS INC $MGNX Jackson Scott Thomas Director A Restricted Stock Unit 6500 $0.00 6,500.0000 61,929,198 9999.99% 0.01%
May 21, 2024 MACROGENICS INC $MGNX Jackson Scott Thomas Director A Stock Option (right to buy) 16500 $0.00 16,500.0000 61,929,198 9999.99% 0.03%
May 20, 2024 MACROGENICS INC $MGNX Jackson Scott Thomas Director M Restricted Stock Unit 4500 $0.00 0.0000 61,929,198 100.00% 0.01%
May 20, 2024 MACROGENICS INC $MGNX Jackson Scott Thomas Director M Common Stock 4500 $0.00 4,500.0000 61,929,198 9999.99% 0.01%
May 1, 2024 CRESCENT BIOPHARMA, INC. $CBIO Jackson Scott Thomas Not found A Stock Option (right to buy) 40000 $0.00 40,000.0000 0 9999.99% 0.00%
Oct. 5, 2023 Spero Therapeutics, Inc. $SPRO Jackson Scott Thomas Not found A Common Stock 20000 $0.00 35,000.0000 0 133.33% 0.00%
May 31, 2023 MACROGENICS INC $MGNX Jackson Scott Thomas Director A Stock Option (right to buy) 19000 $0.00 19,000.0000 61,433,124 9999.99% 0.03%
May 31, 2023 MACROGENICS INC $MGNX Jackson Scott Thomas Director A Restricted Stock Unit 4500 $0.00 4,500.0000 61,433,124 9999.99% 0.01%