Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Insmed Incorporated, 3 years.
Insmed Incorporated
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Insmed Incorporated May 13, 202493.6%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 9, 2026 | Insmed Incorporated | Open-market sale | −25,000 | $124.00 | $3,100,000 |
| May 13, 2026 | Insmed Incorporated | Grant or award | +3,305 | — | — |
| Feb 23, 2026 | Insmed Incorporated | Gift | −6,000 | — | — |
| Nov 6, 2025 | Insmed Incorporated | Gift | −60,000 | — | — |
| Nov 6, 2025 | Insmed Incorporated | Gift | +60,000 | — | — |
| May 15, 2025 | Insmed Incorporated | Grant or award | +5,058 | — | — |
| May 13, 2024 | Insmed Incorporated | Grant or award | +13,162 | — | — |
| May 11, 2023 | Insmed Incorporated | Grant or award | +13,192 | — | — |
Questions about David R. Brennan
What boards is David R. Brennan on?
David R. Brennan sits on the board of Insmed Incorporated.
How long has David R. Brennan served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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