Theriva Biologics, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| SHALLCROSS STEVEN A | CEO and CFO | Purchase | 14,000 | $0.69 | $9,660 | 250,000 | Jun 7, 2023 |
| SHALLCROSS STEVEN A | CEO and CFO | Purchase | 26,000 | $0.63 | $16,380 | 236,000 | Jun 6, 2023 |
| SHALLCROSS STEVEN A | CEO and CFO | Purchase | 25,000 | $1.04 | $26,000 | 210,000 | Feb 10, 2023 |
| SHALLCROSS STEVEN A | CEO and CFO | Purchase | 25,000 | $0.94 | $23,500 | 185,000 | Feb 2, 2023 |
| SHALLCROSS STEVEN A | CEO and CFO | Purchase | 25,000 | $0.87 | $21,750 | 160,000 | Jan 25, 2023 |
| SHALLCROSS STEVEN A | CEO and CFO | Purchase | 25,000 | $0.75 | $18,750 | 135,000 | Jan 20, 2023 |
| SHALLCROSS STEVEN A | CEO and CFO | Purchase | 100,000 | $0.44 | $44,000 | 110,000 | Dec 29, 2022 |
| SHALLCROSS STEVEN A | CEO and CFO | Purchase | 50,000 | $0.49 | $24,500 | 100,000 | May 10, 2021 |
| SHALLCROSS STEVEN A | CEO and CFO | Purchase | 50,000 | $0.42 | $21,000 | 50,000 | Aug 23, 2019 |
| INTREXON CORP | — | Sale | 69,161 | $0.65 | $44,955 | 165,332 | Apr 1, 2019 |
| Kraws Jeffrey J | — | Option Exercise | 228,773 | $0.09 | $20,590 | 228,773 | Mar 14, 2017 |
| Tarriff Scott | — | Award / Grant | 300,000 | — | — | 300,000 | Nov 18, 2016 |
| KIRK RANDAL J | — | Purchase | 937,500 | $3.20 | $3,000,000 | 9,613,268 | Sep 2, 2015 |
| Wolf Jeffrey Alan | — | Option Exercise | 10,842 | $0.09 | $976 | 10,842 | Apr 1, 2015 |
| Ballantyne Charles Evan | Chief Financial Officer | Purchase | 10,000 | $1.35 | $13,500 | 10,000 | May 22, 2014 |
| KANZER STEVE H | — | Sale | 5,003,025 | $1.43 | $7,154,326 | 2,195,489 | Apr 30, 2014 |
| KANZER STEVE H | — | Sale | 87,935 | $2.98 | $262,046 | 6,823,268 | Apr 28, 2014 |
| INTREXON CORP | — | Purchase | 500,000 | $1.00 | $500,000 | 3,625,000 | Dec 17, 2013 |
| Riley Jeffrey Scott | CEO and President | Purchase | 5 | $1.71 | $9 | 7,505 | Jan 7, 2013 |
| Riley Jeffrey Scott | CEO and President | Purchase | 2,000 | $1.71 | $3,420 | 7,500 | Jan 3, 2013 |
| Riley Jeffrey Scott | CEO and President | Purchase | 2,700 | $1.78 | $4,806 | 2,700 | Jan 3, 2013 |
| KIRK RANDAL J | — | Purchase | 3,125,000 | $1.60 | $5,000,000 | 3,125,000 | Oct 29, 2012 |
| KUO JAMES S | Chairman, CEO & President | Purchase | 4,500 | $0.69 | $3,105 | 4,500 | Aug 30, 2011 |
| Lyon Lyman Max Jr | CEO & President | Disposition | 20,000 | $0.48 | $9,600 | 25,000 | Dec 9, 2009 |
| Lyon Lyman Max Jr | CEO & President | Award / Grant | 45,000 | $0.38 | $17,100 | 45,000 | Dec 7, 2009 |
| KANZER STEVE H | Chief Executive Officer | Purchase | 500 | $0.90 | $450 | 348,146 | Apr 11, 2008 |
| RUDICK A JOSEPH | — | Option Exercise | 27,106 | $0.09 | $2,440 | 57,267 | Jan 29, 2008 |
| Ridgeback Capital Investments Ltd. | — | X | 618,855 | $0.74 | $457,953 | 1,856,565 | Nov 9, 2007 |
| DORMAN DANIEL J | — | Purchase | 247,542 | $2.22 | $549,543 | 742,626 | Nov 9, 2007 |
| KANZER STEVE H | CEO | Purchase | 5,000 | $7.42 | $37,100 | 315,946 | Jul 25, 2007 |
| KANZER STEVE H | CEO | Purchase | 2,400 | $7.11 | $17,064 | 309,346 | Jul 24, 2007 |
| KANZER STEVE H | CEO | Purchase | 900 | $6.58 | $5,922 | 302,946 | Jul 23, 2007 |
| KANZER STEVE H | CEO | Purchase | 1,200 | $5.22 | $6,264 | 270,746 | Jul 17, 2007 |
| KANZER STEVE H | CEO | Purchase | 11,400 | $4.75 | $54,150 | 187,113 | Jul 16, 2007 |
| KANZER STEVE H | CEO | Purchase | 3,500 | $4.70 | $16,450 | 190,613 | Jul 16, 2007 |
| KANZER STEVE H | Chief Executive Officer | Purchase | 7,500 | $5.30 | $39,750 | 438,404 | May 11, 2007 |
| KANZER STEVE H | Chief Executive Officer | Purchase | 25,000 | $2.00 | $50,000 | 401,238 | Apr 17, 2007 |
| KANZER STEVE H | Chief Executive Officer | Award / Grant | 100,000 | $1.25 | $125,000 | 195,238 | Feb 27, 2007 |
| KANZER STEVE H | Chief Executive Officer | Award / Grant | 95,238 | $1.05 | $100,000 | 95,238 | Feb 21, 2007 |
| Bisgaier Charles PhD | President | Award / Grant | 24,776 | $2.02 | $50,048 | 99,104 | Nov 2, 2006 |
| MANION MICHAEL F | President | Disposition | 2,426,300 | $0.27 | $655,101 | 340,000 | Nov 1, 2006 |
| MANION MICHAEL F | PRES CEO | Award / Grant | 436,300 | $0.01 | $4,363 | 2,766,300 | Jun 30, 2006 |
| MANION MICHAEL F | President | Purchase | 935,000 | $0.01 | $9,350 | 2,330,000 | May 31, 2006 |