Mark James Litton
Chief Executive Officer at LeonaBio Inc.
Sits on 1 board. Last updated September 28, 2026
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: LeonaBio Inc., 3 years.
LeonaBio Inc.
Director · President and CEO
Chief executive roles
LeonaBio Inc.
· Chief Executive Officer
Dates unknown
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 |
|---|---|---|---|---|---|
| Sep 5, 2024 | LeonaBio Inc. | Open-market sale | −5,032 | $0.57 | $2,868 |
| Sep 3, 2024 | LeonaBio Inc. | Grant or award | +20,000 | — | — |
| Jan 5, 2024 | LeonaBio Inc. | Open-market sale | −4,820 | $2.91 | $14,026 |
| Jan 4, 2024 | LeonaBio Inc. | Grant or award | +20,000 | — | — |
| Nov 18, 2022 | LeonaBio Inc. | Grant or award | +662 | $2.74 | $1,814 |
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