SEC Insider Transactions from Heffernan Michael Thomas.

Last updated: 2026-03-14 11:33 UTC | Total transactions: 12

Heffernan Michael Thomas has filed 12 insider transactions across 6 companies since May 2023.

Most recent transaction: a grant/award of 45000 shares of enGene Holdings Inc. ($ENGN) on July 08, 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
July 8, 2025 enGene Holdings Inc. $ENGN Heffernan Michael Thomas Not found A Stock Option (Right to Buy) 45000 $0.00 45,000.0000 0 9999.99% 0.00%
June 17, 2025 Avalo Therapeutics, Inc. $AVTX Heffernan Michael Thomas Director A Stock Option (Right to Buy) 29500 $0.00 29,500.0000 10,671,934 9999.99% 0.28%
June 11, 2025 Trevi Therapeutics, Inc. $TRVI Heffernan Michael Thomas Not found A Nonstatutory Stock Option (right to buy) 45000 $0.00 45,000.0000 101,971,873 9999.99% 0.04%
May 5, 2025 Biohaven Ltd. $BHVN Heffernan Michael Thomas Director A Stock Options (Right to buy) 31716 $0.00 31,716.0000 102,054,499 9999.99% 0.03%
March 25, 2025 Avalo Therapeutics, Inc. $AVTX Heffernan Michael Thomas Director A Stock Option (Right to Buy) 50000 $0.00 50,000.0000 10,671,934 9999.99% 0.47%
Feb. 10, 2025 COLLEGIUM PHARMACEUTICAL, INC $COLL Heffernan Michael Thomas Director A Common Stock 4820 $0.00 50,328.0000 40,109,649 10.59% 0.01%
June 13, 2024 Trevi Therapeutics, Inc. $TRVI Heffernan Michael Thomas Not found A Nonstatutory Stock Option (right to buy) 30000 $0.00 30,000.0000 99,033,373 9999.99% 0.03%
May 16, 2024 COLLEGIUM PHARMACEUTICAL, INC $COLL Heffernan Michael Thomas Director A Common Stock 7693 $0.00 45,508.0000 41,438,466 20.34% 0.02%
April 30, 2024 Biohaven Ltd. $BHVN Heffernan Michael Thomas Not found A Stock Option (Right to Buy) 16592 $0.00 16,592.0000 0 9999.99% 0.00%
June 22, 2023 SYNLOGIC, INC. $SYBX Heffernan Michael Thomas Not found A Stock Option (right to buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
May 18, 2023 COLLEGIUM PHARMACEUTICAL, INC $COLL Heffernan Michael Thomas Director A Common Stock 9792 $0.00 37,815.0000 34,319,291 34.94% 0.03%
May 2, 2023 Biohaven Ltd. $BHVN Heffernan Michael Thomas Not found A Stock Option (Right to Buy) 52906 $0.00 52,906.0000 0 9999.99% 0.00%