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: Supernus Pharmaceuticals Inc., 3 years.
Supernus Pharmaceuticals Inc.
Director
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 |
|---|---|---|---|---|---|
| Feb 23, 2024 | Supernus Pharmaceuticals Inc. | Grant or award | +3,886 | — | — |
| Feb 22, 2023 | Supernus Pharmaceuticals Inc. | Grant or award | +3,882 | — | — |
Questions about John M. Siebert
What boards is John M. Siebert on?
John M. Siebert sits on the board of Supernus Pharmaceuticals Inc.
How long has John M. Siebert served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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