Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 3 boards, counting each seat separately. Longest: MannKind Corporation, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
MannKind Corporation May 20, 202691.8%
-
MannKind Corporation May 14, 202594.8%
-
MannKind Corporation May 15, 202494.9%
-
MannKind Corporation May 25, 202395.7%
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 |
|---|---|---|---|---|---|
| Mar 26, 2026 | Xilio Therapeutics Inc. | Open-market purchase | +5,000 | $8.79 | $43,950 |
| Mar 1, 2026 | MannKind Corporation | Grant or award | +12,000 | $3.27 | $39,240 |
| Jun 17, 2025 | Xilio Therapeutics Inc. | Open-market purchase | +25,000 | $0.69 | $17,250 |
| Jun 16, 2025 | Xilio Therapeutics Inc. | Open-market purchase | +45,000 | $0.69 | $31,050 |
Questions about James Samuel Shannon
What boards is James Samuel Shannon on?
James Samuel Shannon sits on the boards of MannKind Corporation, ProQR Therapeutics N.V. and Xilio Therapeutics Inc.
How long has James Samuel Shannon served on boards?
Our records show at least 7 years of board service across 3 boards, the earliest from 2023.
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.