GEOFF MCDONOUGH
CIK 1732701 · PRESIDENT AND CEO · last filed 2026-02-09
GEOFF MCDONOUGH is a PRESIDENT AND CEO who has filed 35 SEC Form 4 insider transactions across 3 companies since 2019. The most recent filing, for GBIO, was dated Feb 9, 2026. Across all open-market trades the lifetime net is −$1.1M, making them a net seller over the disclosed history.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$0
3
35
-$1.08M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| Generation Bio Co. (GBIO) Delisted | PRESIDENT AND CEO | 0 | $5.34 | $0 | -$1.08M | 29 | 2026-02-09 |
| Third Harmonic Bio, Inc. (THRD) Delisted | Director | — | $5.38 | — | $0 | 1 | 2024-03-28 |
| Surface Oncology, Inc. (SURF) Delisted | Director | — | $1.07 | — | $0 | 5 | 2021-06-10 |
Recent Filings
35 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-02-09 | Generation Bio Co. (GBIO) Delisted | Mixed | −188,638 | $0 | EDGAR |
| 2026-02-04 | Generation Bio Co. (GBIO) Delisted | Mixed | +1,032 | -$3.1K | EDGAR |
| 2026-01-16 | Generation Bio Co. (GBIO) Delisted | Mixed | +258 | -$773 | EDGAR |
| 2025-11-21 | Generation Bio Co. (GBIO) Delisted | Mixed | +366 | -$1.6K | EDGAR |
| 2025-10-17 | Generation Bio Co. (GBIO) Delisted | Mixed | +372 | -$1.0K | EDGAR |
| 2025-07-17 | Generation Bio Co. (GBIO) Delisted | Mixed | +3,725 | -$659 | EDGAR |
| 2025-04-17 | Generation Bio Co. (GBIO) Delisted | Mixed | +3,726 | -$569 | EDGAR |
| 2025-01-17 | Generation Bio Co. (GBIO) Delisted | Mixed | +3,446 | -$1.6K | EDGAR |
| 2025-01-14 | Generation Bio Co. (GBIO) Delisted | Grant (A) | — | $0 | EDGAR |
| 2024-10-17 | Generation Bio Co. (GBIO) Delisted | Mixed | +3,726 | -$3.7K | EDGAR |