Brennan David R
SEC CIK 1609305 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| INSM | INSMED Inc | Dir | 39.2K | $301.5K | $3.10M | 10 | 2021-11-01 | 2026-09-09 |
Most active insiders at INSM, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Adsett Roger | COO | — | $48.25M |
| 2 | Lewis William | COB, CEO, Dir | — | $32.79M |
| 3 | Flammer Martina M.D. | Chief Medical Off | — | $23.32M |
| 4 | Schaeffer Orlov S Nicole | Chief People Strategy Off | — | $21.11M |
| 5 | LEE LEO | Dir | — | $14.69M |
| 6 | Smith Michael Alexander | CLO | — | $14.00M |
| 7 | SHAROKY MELVIN MD | Dir | — | $4.74M |
| 8 | Brennan David R | Dir | — | $3.10M |
| 9 | ANDERSON ELIZABETH M | Dir | — | $2.98M |
| 10 | Bonstein Sara | CFO | — | $2.13M |
Transactions 10
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-11 16:04 | 2026-09-09 | INSM | INSMED Inc | Brennan David R | Dir | S - Sale | $124.00 | -25.0K | 39.2K | -39% | -$3.10M | |
| 2026-05-15 16:07 | 2026-05-13 | INSM | INSMED Inc | Brennan David R | Dir | A - Grant | — | +3,305 | 64.2K | +5% | — | |
| 2026-02-25 | 2026-02-23 | INSM | INSMED Inc | Brennan David R | Dir | G - Gift | $0.00 | -6,000 | 60.9K | -9% | $0 | |
| 2025-11-10 | 2025-11-06 | INSM | INSMED Inc | Brennan David R | Dir | G - Gift | $0.00 | -60.0K | 66.9K | -47% | $0 | |
| I | 2025-11-10 | 2025-11-06 | INSM | INSMED Inc | Brennan David R | Dir | G - Gift | $0.00 | +60.0K | 60.0K | New | $0 |
| 2025-05-19 | 2025-05-15 | INSM | INSMED Inc | Brennan David R | Dir | A - Grant | — | +5,058 | 126.9K | +4% | — | |
| 2024-05-15 | 2024-05-13 | INSM | INSMED Inc | Brennan David R | Dir | A - Grant | — | +13.2K | 121.9K | +12% | — | |
| 2023-05-15 | 2023-05-11 | INSM | INSMED Inc | Brennan David R | Dir | A - Grant | — | +13.2K | 108.7K | +14% | — | |
| 2022-05-13 | 2022-05-11 | INSM | INSMED Inc | Brennan David R | Dir | A - Grant | — | +14.6K | 95.5K | +18% | — | |
| 2021-11-03 | 2021-11-01 | INSM | INSMED Inc | Brennan David R | Dir | P - Purchase | $30.15 | +10.0K | 80.9K | +14% | +$301.5K |
Purchase Sale Sale after option exercise All abbreviations