Seth Lederman
Chief Executive Officer at Tonix Pharmaceuticals Holding Corp.
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: Tonix Pharmaceuticals Holding Corp., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Tonix Pharmaceuticals Holding Corp. May 21, 202448.9%
-
Tonix Pharmaceuticals Holding Corp. May 5, 202390.9%
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 |
|---|---|---|---|---|---|
| Nov 11, 2026 | Tonix Pharmaceuticals Holding Corp. | Open-market purchase | +5,000 | $4.06 | $20,275 |
| Aug 27, 2026 | Tonix Pharmaceuticals Holding Corp. | Open-market purchase | +2,000 | $13.79 | $27,580 |
| Jun 9, 2026 | Tonix Pharmaceuticals Holding Corp. | Open-market purchase | +5,000 | $11.79 | $58,950 |
| Mar 31, 2026 | Tonix Pharmaceuticals Holding Corp. | Open-market purchase | +5,000 | $12.62 | $63,100 |
| Mar 18, 2026 | Tonix Pharmaceuticals Holding Corp. | Open-market purchase | +15,000 | $14.89 | $223,350 |
| May 15, 2025 | Tonix Pharmaceuticals Holding Corp. | Open-market purchase | +4,000 | $21.55 | $86,200 |
| Feb 5, 2025 | Tonix Pharmaceuticals Holding Corp. | Other | −5 | $3.38 | $18 |
| Feb 5, 2025 | Tonix Pharmaceuticals Holding Corp. | Other | −0 | $3.30 | $1 |
| Feb 5, 2025 | Tonix Pharmaceuticals Holding Corp. | Other | −1 | $0.15 | $0 |
Questions about Seth Lederman
What boards is Seth Lederman on?
Seth Lederman sits on the board of Tonix Pharmaceuticals Holding Corp.
What company is Seth Lederman the CEO of?
Seth Lederman is Chief Executive Officer of Tonix Pharmaceuticals Holding Corp.
How long has Seth Lederman served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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