The most recent Tonix Pharmaceuticals Holding (TNXP) insider transaction: Seth Lederman (Chief Executive Officer) bought 2,000 shares worth about $27.58K on Aug 27, 2026, reported on Form 4 on Aug 31, 2026. So far in the quarter ending Dec 31, 2026, insider holdings showed no net buying or selling.
In the last 12 months, insiders at Tonix Pharmaceuticals Holding made open-market purchases of $458,758 (34.41K shares) and sold no shares on the open market.
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Seth Lederman | Chief Executive Officer | 0 | 11,005 | 11,005 | 50.8% | 31 Aug, 2026 |
| 2 | Richard Newcomb Stillwell | Director | 5,000 | 0 | 5,000 | 23.1% | 09 Jun, 2026 |
| 3 | Carolyn E. Taylor | Director | 2,251 | 0 | 2,251 | 10.4% | 15 Jun, 2026 |
| 4 | Bradley Saenger | Chief Financial Officer | 2,154 | 0 | 2,154 | 9.9% | 09 Jul, 2026 |
| 5 | Richard H Bagger | Director | 1,000 | 0 | 1,000 | 4.6% | 24 Aug, 2026 |
| 6 | James Treco | Director | 250 | 0 | 250 | 1.2% | 20 Aug, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 27 Aug, 2026 | Seth Lederman | Chief Executive Officer | Acquired P | 2,000 | $13.79 | $27.58K | 11,005 | Indirect |
| 20 Aug, 2026 | Richard H Bagger | Director | Acquired P | 1,000 | $12.60 | $12.60K | 1,000 | Direct |
| 30 Jun, 2026 | Bradley Saenger | Chief Financial Officer | Acquired J | 1,453 | $10.91 | $15.86K | 2,154 | Direct |
| 12 Jun, 2026 | Carolyn E. Taylor | Director | Acquired P | 1,415 | $10.55 | $14.93K | 1,833 | Direct |
| 08 Jun, 2026 | Richard Newcomb Stillwell | Director | Acquired P | 5,000 | $11.65 | $58.25K | 5,000 | Direct |
| 09 Jun, 2026 | Seth Lederman | Chief Executive Officer | Acquired P | 5,000 | $11.79 | $58.95K | 9,005 | Direct |
| 12 May, 2026 | James Treco | Director | Acquired A | 22,700 | $0.00 | $0 | 22,700 | Direct |
| 12 May, 2026 | Carolyn E. Taylor | Director | Acquired A | 22,700 | $0.00 | $0 | 22,700 | Direct |
| 12 May, 2026 | Richard H Bagger | Director | Acquired A | 22,700 | $0.00 | $0 | 22,700 | Direct |
| 12 May, 2026 | Margaret Smith Bell | Director | Acquired A | 22,700 | $0.00 | $0 | 22,700 | Direct |
| 12 May, 2026 | Richard Newcomb Stillwell | Director | Acquired A | 22,700 | $0.00 | $0 | 22,700 | Direct |
| 12 May, 2026 | Adeoye Y Olukotun | Director | Acquired A | 22,700 | $0.00 | $0 | 22,700 | Direct |
| 12 May, 2026 | David L Grange | Director | Acquired A | 22,700 | $0.00 | $0 | 22,700 | Direct |
| 12 May, 2026 | James Randolph Jr Hunter | Director | Acquired A | 22,700 | $0.00 | $0 | 22,700 | Direct |
| 31 Mar, 2026 | Seth Lederman | Chief Executive Officer | Acquired P | 5,000 | $12.62 | $63.10K | 20,001 | Indirect |
| 18 Mar, 2026 | Seth Lederman | Chief Executive Officer | Acquired P | 15,000 | $14.89 | $223.35K | 15,001 | Indirect |
| 24 Feb, 2026 | Seth Lederman | Chief Executive Officer | Acquired A | 134,504 | $0.00 | $0 | 134,504 | Direct |
| 24 Feb, 2026 | Gregory M Sullivan | Chief Medical Officer | Acquired A | 39,012 | $0.00 | $0 | 39,012 | Direct |
| 24 Feb, 2026 | Jessica Edgar Morris | Chief Operating Officer | Acquired A | 39,012 | $0.00 | $0 | 39,012 | Direct |
| 24 Feb, 2026 | Bradley Saenger | Chief Financial Officer | Acquired A | 39,012 | $0.00 | $0 | 39,012 | Direct |