Heffernan Michael Thomas
Director · ENGN, TRVI, AVTX, BHVN, COLL
As of 2026-09-16, Heffernan Michael Thomas has 10 Form 4 transactions on record across 5 companies — 4 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|
10 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-16 | ENGN | Award / grant | 31,000 | 31,000 | Form 4 |
| 2026-06-03 | TRVI | Award / grant | 35,000 | 35,000 | Form 4 |
| 2026-06-02 | AVTX | Award / grant | 29,500 | 29,500 | Form 4 |
| 2026-04-28 | BHVN | Award / grant | 68,693 | 68,693 | Form 4 |
| 2025-07-08 | ENGN | Award / grant | 45,000 | 45,000 | Form 4 |
| 2025-06-17 | AVTX | Award / grant | 29,500 | 29,500 | Form 4 |
| 2025-06-11 | TRVI | Award / grant | 45,000 | 45,000 | Form 4 |
| 2025-05-05 | BHVN | Award / grant | 31,716 | 31,716 | Form 4 |
| 2025-03-25 | AVTX | Award / grant | 50,000 | 50,000 | Form 4 |
| 2025-02-10 | COLL | Award / grant | 4,820 | 50,328 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.