Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Cabaletta Bio Inc., 3 years.
Cabaletta Bio Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Cabaletta Bio Inc. June 9, 202552.1%
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 |
|---|---|---|---|---|---|
| Jan 21, 2026 | Cabaletta Bio Inc. | Open-market purchase | +11,061 | $2.28 | $25,219 |
Questions about Mark Simon
What boards is Mark Simon on?
Mark Simon sits on the board of Cabaletta Bio Inc.
How long has Mark Simon served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2023.
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