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: Certara Inc., 3 years.
Certara Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Certara Inc. May 21, 202590.3%
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 |
|---|---|---|---|---|---|
| May 14, 2026 | Certara Inc. | Option exercise | +15,757 | — | — |
| Mar 31, 2026 | Organon & Co. | Option exercise | +12,047 | — | — |
| Mar 31, 2026 | Organon & Co. | Shares withheld for tax | −4,127 | $5.70 | $23,524 |
| Mar 31, 2026 | Organon & Co. | Option exercise | +21,546 | — | — |
| Mar 31, 2026 | Organon & Co. | Shares withheld for tax | −7,380 | $5.70 | $42,066 |
| Mar 29, 2026 | Organon & Co. | Option exercise | +15,071 | — | — |
| Mar 29, 2026 | Organon & Co. | Shares withheld for tax | −5,162 | $5.84 | $30,146 |
| Feb 27, 2026 | Organon & Co. | Grant or award | +42,599 | — | — |
| Feb 27, 2026 | Organon & Co. | Shares withheld for tax | −14,887 | $7.17 | $106,740 |
| Feb 27, 2026 | Organon & Co. | Grant or award | +12,020 | — | — |
| Feb 27, 2026 | Organon & Co. | Shares withheld for tax | −4,117 | $7.23 | $29,766 |
| May 21, 2025 | Certara Inc. | Option exercise | +11,928 | — | — |
| May 5, 2025 | Organon & Co. | Open-market purchase | +11,400 | $8.82 | $100,548 |
| Mar 31, 2025 | Organon & Co. | Option exercise | +15,070 | — | — |
| Mar 31, 2025 | Organon & Co. | Shares withheld for tax | −7,422 | $14.51 | $107,693 |
Questions about Matthew M. Walsh
What boards is Matthew M. Walsh on?
Matthew M. Walsh sits on the board of Certara Inc.
How long has Matthew M. Walsh served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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