Seth Lederman
CIK: 0001563420
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Tonix Pharmaceuticals Holding Corp.
Discretionary Trading P&L
Holdings
Transaction History (11 total)
- Jun 9, 2026TNXP
Tonix Pharmaceuticals Holding Corp.
Purchase(P)Direct5K shares at avg. $11.79$59K - Mar 31, 2026TNXP
Tonix Pharmaceuticals Holding Corp.
Purchase(P)Indirect5K shares at avg. $12.62$63K - Mar 18, 2026TNXP
Tonix Pharmaceuticals Holding Corp.
Purchase(P)Indirect15K shares at avg. $14.89$223K - Feb 24, 2026TNXP
Tonix Pharmaceuticals Holding Corp.
Award(A)DirectStock Option
134.5K shares- - Feb 24, 2026TNXP
Tonix Pharmaceuticals Holding Corp.
Award(A)DirectStock Option
134.5K shares- - May 15, 2025TNXP
Tonix Pharmaceuticals Holding Corp.
Purchase(P)Direct4K shares at avg. $21.55$86K - Feb 25, 2025TNXP
Tonix Pharmaceuticals Holding Corp.
Award(A)DirectStock Option
124K shares- - Feb 25, 2025TNXP
Tonix Pharmaceuticals Holding Corp.
Award(A)DirectStock Option
124K shares- - Feb 5, 2025TNXP
Tonix Pharmaceuticals Holding Corp.
Other(J)Indirect0 shares at avg. $3.30$0.726 - Feb 5, 2025TNXP
Tonix Pharmaceuticals Holding Corp.
Other(J)Direct5 shares at avg. $3.38$17.508 - Feb 5, 2025TNXP
Tonix Pharmaceuticals Holding Corp.
Other(J)Indirect1 shares at avg. $0.15$0.15
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 9, 2026 | TNXP Tonix Pharmaceuticals Holding Corp. | Purchase(P) | 5,000 | $11.79 | $58,950 | Direct |
| Mar 31, 2026 | TNXP Tonix Pharmaceuticals Holding Corp. | Purchase(P) | 5,000 | $12.62 | $63,100 | Indirect |
| Mar 18, 2026 | TNXP Tonix Pharmaceuticals Holding Corp. | Purchase(P) | 15,000 | $14.89 | $223,350 | Indirect |
| Feb 24, 2026 | TNXP Tonix Pharmaceuticals Holding Corp. | Award(A) Stock Option | 134,503 | - | - | Direct |
| Feb 24, 2026 | TNXP Tonix Pharmaceuticals Holding Corp. | Award(A) Stock Option | 134,504 | - | - | Direct |
| May 15, 2025 | TNXP Tonix Pharmaceuticals Holding Corp. | Purchase(P) | 4,000 | $21.55 | $86,200 | Direct |
| Feb 25, 2025 | TNXP Tonix Pharmaceuticals Holding Corp. | Award(A) Stock Option | 123,958 | - | - | Direct |
| Feb 25, 2025 | TNXP Tonix Pharmaceuticals Holding Corp. | Award(A) Stock Option | 123,958 | - | - | Direct |
| Feb 5, 2025 | TNXP Tonix Pharmaceuticals Holding Corp. | Other(J) | 0 | $3.30 | $1 | Indirect |
| Feb 5, 2025 | TNXP Tonix Pharmaceuticals Holding Corp. | Other(J) | 5 | $3.38 | $18 | Direct |
| Feb 5, 2025 | TNXP Tonix Pharmaceuticals Holding Corp. | Other(J) | 1 | $0.15 | $0 | Indirect |
1-11 of 11 transactions
About LEDERMAN SETH
LEDERMAN SETH (SEC CIK 0001563420) files insider reports with the SEC as Chief Executive Officer of Tonix Pharmaceuticals Holding Corp. (TNXP).
Signal8 holds 6 ownership filings by LEDERMAN SETH, all Form 4s, filed between Feb 27, 2025 and Jun 9, 2026. Those filings report 11 transactions, from Feb 5, 2025 to Jun 9, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on LEDERMAN SETH's filings is in BERKELEY HEIGHTS, NJ.
Recent filings by LEDERMAN SETH
- Jun 9, 2026: Open-market purchase of TNXP shares (Form 4, code P).
- Mar 31, 2026: Open-market purchase of TNXP shares (Form 4, code P).
- Mar 18, 2026: Open-market purchase of TNXP shares (Form 4, code P).
- Feb 24, 2026: Grants or awards of TNXP derivative securities (2 lines, Form 4, code A).
- May 15, 2025: Open-market purchase of TNXP shares (Form 4, code P).
Other insiders filing for Tonix Pharmaceuticals Holding Corp. (TNXP)
- Englese Thomas, Chief Commercial Officer
- BAGGER RICHARD H, Director
- SAENGER BRADLEY, Chief Financial Officer
- Taylor Carolyn E., Director
- Stillwell Richard Newcomb, Director
- OLUKOTUN ADEOYE Y, Director