Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 2 boards, counting each seat separately. Longest: Karyopharm Therapeutics Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
CytomX Therapeutics Inc. June 11, 202569.7%
-
Karyopharm Therapeutics Inc. May 28, 202578.7%
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 21, 2026 | Karyopharm Therapeutics Inc. | Grant or award | +15,508 | — | — |
Questions about Zhen Su
What boards is Zhen Su on?
Zhen Su sits on the boards of CytomX Therapeutics Inc. and Karyopharm Therapeutics Inc.
How long has Zhen Su served on boards?
Our records show at least 6 years of board service across 2 boards, the earliest from 2023.
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.