| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2025-12-04 | te Boekhorst Paul Francis Olivier President and CEO | Purchase | +6,030 | +162.62%9,738 | $5.23 | $31,528 | View SEC filing | |
| 2025-12-03 | te Boekhorst Paul Francis Olivier President and CEO | Purchase | +9,785 | +100.00%9,785 | $4.97 | $48,588 | View SEC filing | |
| 2025-11-28 | Tomsche David Scott Director | Purchase | +3,266 | +6.03%57,460 | $4.76 | $15,554 | View SEC filing | |
| 2025-06-12 | Gathagan Bryan K. Director | Purchase | +1,000 | +100.00%1,000 | $6.32 | $6,320 | View SEC filing | |
| 2022-06-14 | Cunningham David Director | Purchase | +1,000 | +6.67%16,000 | $8.00 | $8,000 | View SEC filing | |
| 2020-03-12 | Cunningham David Director | Purchase | +2,000 | +15.38%15,000 | $4.00 | $8,000 | View SEC filing | |
| 2020-03-12 | Tomsche David Scott Director | Purchase | +4,600 | +5.68%85,519 | $4.28 | $19,688 | View SEC filing | |
| 2020-03-02 | Tomsche David Scott Director | Purchase | +5,130 | +6.77%80,919 | $4.98 | $25,547 | View SEC filing | |
| 2018-08-20 | Tomsche David Scott Director | Purchase | +3,000 | +4.12%75,789 | $6.67 | $20,010 | View SEC filing | |
| 2017-07-28 | PESSIN NORMAN H Other | Purchase | +170,000 | +100.00%170,000 | $5.25 | $892,500 | View SEC filing | |
| 2017-07-28 | Pessin Brian L. Other | Purchase | +30,000 | +75.00%70,000 | $5.25 | $157,500 | View SEC filing | |
| 2017-03-15 | Tomsche David Scott Director | Purchase | +2,000 | +2.83%72,789 | $5.43 | $10,861 | View SEC filing | |
| 2016-11-08 | Tomsche David Scott Director | Purchase | +4,000 | +5.99%70,789 | $5.19 | $20,760 | View SEC filing | |
| 2016-08-22 | Cunningham David Director | Purchase | -3,000 | -24.19%9,404 | $7.14 | $21,431 | View SEC filing | |
| 2016-07-12 | CRABB JOSEPH H VP & Chief Scientific Officer | Sale | -1,935 | -1.81%105,111 | $6.55 | $12,669 | View SEC filing | |
| 2016-07-07 | CRABB JOSEPH H VP & Chief Scientific Officer | Sale | -2,691 | -2.45%107,046 | $6.58 | $17,711 | View SEC filing | |
| 2016-07-06 | CRABB JOSEPH H Vice President and CSO | Sale | -5,374 | -2.44%223,174 | $6.74 | $36,201 | View SEC filing | |
| 2016-03-22 | Tomsche David Scott Director | Purchase | +955 | +1.45%66,789 | $6.67 | $6,370 | View SEC filing | |
| 2016-02-01 | ROTHSCHILD JONATHAN E Director, 10% Owner | Purchase | +9,522 | +1.90%510,158 | $5.25 | $49,991 | View SEC filing | |
| 2016-02-01 | Tomsche David Scott Director | Purchase | +6,666 | +11.27%65,834 | $5.25 | $34,997 | View SEC filing | |
| 2016-02-01 | Rhodes Linda Director | Purchase | +2,857 | +66.44%7,157 | $5.25 | $14,999 | View SEC filing | |
| 2016-02-01 | Cunningham David Director | Purchase | +1,904 | +34.62%7,404 | $5.25 | $9,996 | View SEC filing | |
| 2015-11-13 | ROTHSCHILD JONATHAN E Director, 10% Owner | Purchase | -24,000 | -4.57%500,636 | N/A | N/A | View SEC filing | |
| 2015-09-16 | Wainman Paul R Director | Purchase | +175 | +9.59%2,000 | $6.80 | $1,190 | View SEC filing | |
| 2015-09-03 | ROTHSCHILD JONATHAN E Director, 10% Owner | Purchase | +3,000 | +0.58%524,636 | $6.63 | $19,881 | View SEC filing |
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