Across the past 12 months, Theriva Biologics insiders reported no open-market purchases or sales.
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Steven A Shallcross | Ceo And Cfo | 10,000 | 0 | 10,000 | 100.0% | 08 Jun, 2023 |
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 |
|---|---|---|---|---|---|---|---|---|
| 05 Jan, 2026 | Jeffrey J Kraws | Director | Acquired A | 75,000 | $0.00 | $0 | 75,000 | Direct |
| 05 Jan, 2026 | John J Monahan | Director | Acquired A | 75,000 | $0.00 | $0 | 75,000 | Direct |
| 05 Jan, 2026 | Steven A Shallcross | Ceo And Cfo | Acquired A | 475,000 | $0.00 | $0 | 475,000 | Direct |
| 05 Jan, 2026 | Jeffrey Alan Wolf | Director | Acquired A | 75,000 | $0.00 | $0 | 75,000 | Direct |
| 29 Apr, 2025 | Steven A Shallcross | Ceo And Cfo | Acquired A | 190,000 | $0.00 | $0 | 190,000 | Direct |
| 29 Apr, 2025 | Jeffrey Alan Wolf | Director | Acquired A | 25,000 | $0.00 | $0 | 25,000 | Direct |
| 29 Apr, 2025 | John J Monahan | Director | Acquired A | 25,000 | $0.00 | $0 | 25,000 | Direct |
| 29 Apr, 2025 | Jeffrey J Kraws | Director | Acquired A | 25,000 | $0.00 | $0 | 25,000 | Direct |
| 14 Dec, 2023 | Jeffrey Alan Wolf | Director | Acquired A | 110,000 | $0.00 | $0 | 4,400 | Direct |
| 14 Dec, 2023 | Jeffrey J Kraws | Director | Acquired A | 110,000 | $0.00 | $0 | 4,400 | Direct |
| 14 Dec, 2023 | Steven A Shallcross | Ceo And Cfo | Acquired A | 700,000 | $0.00 | $0 | 28,000 | Direct |
| 14 Dec, 2023 | John J Monahan | Director | Acquired A | 110,000 | $0.00 | $0 | 4,400 | Direct |
| 07 Jun, 2023 | Steven A Shallcross | Ceo And Cfo | Acquired P | 14,000 | $17.33 | $242.59K | 10,000 | Direct |
| 06 Jun, 2023 | Steven A Shallcross | Ceo And Cfo | Acquired P | 26,000 | $15.82 | $411.32K | 9,440 | Direct |
| 10 Feb, 2023 | Steven A Shallcross | Ceo And Cfo | Acquired P | 25,000 | $26.08 | $651.88K | 8,400 | Direct |
| 02 Feb, 2023 | Steven A Shallcross | Ceo And Cfo | Acquired P | 25,000 | $23.51 | $587.81K | 7,400 | Direct |
| 25 Jan, 2023 | Steven A Shallcross | Ceo And Cfo | Acquired P | 25,000 | $21.83 | $545.63K | 6,400 | Direct |
| 20 Jan, 2023 | Steven A Shallcross | Ceo And Cfo | Acquired P | 25,000 | $18.71 | $467.62K | 5,400 | Direct |
| 29 Dec, 2022 | Steven A Shallcross | Ceo And Cfo | Acquired P | 100,000 | $10.93 | $1.09Mn | 4,400 | Direct |
| 15 Dec, 2022 | Francis Tufaro | Chief Operating Officer | Acquired A | 100,000 | $0.00 | $0 | 4,000 | Direct |