Heffernan Michael Thomas
SEC insider (Form 3/4/5 filer). CIK 0001448914. Director at Trevi Therapeutics, Inc. (TRVI) and 4 other issuers. 16 reported Form 4/5 transactions since Sep 2024; latest on Sep 15, 2026. Located in NEW HAVEN, CT.
Companies Heffernan Michael Thomas has filed insider reports for
- Trevi Therapeutics, Inc. (TRVI): Director
- enGene Therapeutics Inc. (ENGN): Director
- Avalo Therapeutics, Inc. (AVTX): Director
- Biohaven Ltd. (BHVN): Director
- COLLEGIUM PHARMACEUTICAL, INC (COLL): Director
Heffernan Michael Thomas
CIK: 0001448914
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (16 total)
- Sep 15, 2026TRVI
Trevi Therapeutics, Inc.
ExerciseDirect21.1K shares at avg. $3.33$70K - Sep 15, 2026TRVI
Trevi Therapeutics, Inc.
SaleDirect18.3K shares at avg. $15.09$276K - Sep 15, 2026TRVI
Trevi Therapeutics, Inc.
SaleDirect100 shares at avg. $15.88$2K - Sep 15, 2026TRVI
Trevi Therapeutics, Inc.
ExerciseDirect18.4K shares at avg. $3.04$56K - Sep 15, 2026TRVI
Trevi Therapeutics, Inc.
SaleDirect21K shares at avg. $15.09$316K - Sep 15, 2026TRVI
Trevi Therapeutics, Inc.
SaleDirect100 shares at avg. $15.88$2K - Jun 16, 2026ENGN
enGene Therapeutics Inc.
AwardDirectStock Option (Right to Buy)
31K shares- - Jun 3, 2026TRVI
Trevi Therapeutics, Inc.
AwardDirectNonstatutory Stock Option (right to buy)
35K shares- - Jun 2, 2026AVTX
Avalo Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
29.5K shares- - Apr 28, 2026BHVN
Biohaven Ltd.
AwardDirectStock Options (Right to buy)
68.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 15, 2026 |  TRVI Trevi Therapeutics, Inc. | Exercise | 21,052 | $3.33 | $70,103 | Direct |
| Sep 15, 2026 | TRVI Trevi Therapeutics, Inc. | Sale | 18,321 | $15.09 | $276,464 | Direct |
| Sep 15, 2026 | TRVI Trevi Therapeutics, Inc. | Sale | 100 | $15.88 | $1,588 | Direct |
| Sep 15, 2026 | TRVI Trevi Therapeutics, Inc. | Exercise | 18,421 | $3.04 | $56,000 | Direct |
| Sep 15, 2026 | TRVI Trevi Therapeutics, Inc. | Sale | 20,952 | $15.09 | $316,166 | Direct |
| Sep 15, 2026 | TRVI Trevi Therapeutics, Inc. | Sale | 100 | $15.88 | $1,588 | Direct |
| Jun 16, 2026 |  ENGN enGene Therapeutics Inc. | Award Stock Option (Right to Buy) | 31,000 | - | - | Direct |
| Jun 3, 2026 | TRVI Trevi Therapeutics, Inc. | Award Nonstatutory Stock Option (right to buy) | 35,000 | - | - | Direct |
| Jun 2, 2026 |  AVTX Avalo Therapeutics, Inc. | Award Stock Option (Right to Buy) | 29,500 | - | - | Direct |
| Apr 28, 2026 |  BHVN Biohaven Ltd. | Award Stock Options (Right to buy) | 68,693 | - | - | Direct |
1-10 of 16 transactions