| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in TNXP over the last quarter tilts toward buying: insiders added a net 3,000 shares worth roughly $40K.
Counted by filing, the last 12 months brought 7 open-market purchases by 4 insiders worth about $459K and no sales. The 12 months before that brought 3 open-market purchases by 3 insiders worth about $110K and no sales.
The largest open-market purchase in the last two years was 15,000 shares by Seth Lederman (Chief Executive Officer) at an average $14.89 on March 18, 2026, about $223K. Three months later TNXP was down 18%.
The most recent purchase was by Seth Lederman (Chief Executive Officer) on August 27, 2026.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 11.0K | $57.1K | - | |
| Dir | 5.0K | $26.0K | - | |
| CFO | 2.2K | $11.2K | - | |
| Dir | 1.8K | $9.5K | - | |
| Dir | 1.0K | $5.2K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 27, 2026 | Seth Lederman | Chief Executive Officer | Buy | 2,000 | $13.79 | $27,580.00 | +22.2% | - | - | |
| Aug 20, 2026 | Richard H Bagger | Director | Buy | 1,000 | $12.60 | $12,600.00 | New | - | - | |
| Jun 12, 2026 | Carolyn E. Taylor | Director | Buy | 1,415 | $10.55 | $14,928.25 | +338.5% | +8.2% | - | |
| Jun 9, 2026 | Seth Lederman | Chief Executive Officer | Buy | 5,000 | $11.79 | $58,950.00 | +124.8% | +14.8% | - | |
| Jun 8, 2026 | Richard Newcomb Stillwell | Director | Buy | 5,000 | $11.65 | $58,250.00 | New | +12.4% | - | |
| Mar 31, 2026 | Seth Lederman | Chief Executive Officer | Buy | 5,000 | $12.62 | $63,100.00 | +33.3% | -7.3% | - | |
| Mar 18, 2026 | Seth Lederman | Chief Executive Officer | Buy | 15,000 | $14.89 | $223,350.00 | +1,500,000% | -18.0% | - | |
| Aug 21, 2025 | Carolyn E. Taylor | Director | Buy | 418 | $36.03 | $15,060.54 | New | -53.4% | -65.0% | |
| Aug 20, 2025 | James Treco | Director | Buy | 250 | $36.00 | $9,000.00 | New | -54.8% | -65.6% | |
| May 15, 2025 | Seth Lederman | Chief Executive Officer | Buy | 4,000 | $21.55 | $86,200.00 | +80,000% | +166.5% | -31.9% |