| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-05-28 | VON RICKENBACH JOSEF H Director | Purchase | +47,060 | +304.52%62,514 | $1.05 | $49,561 | View SEC filing | |
| 2026-05-13 | WINDSOR JAMES BRIAN See Remarks | Purchase | +25,000 | +1221.90%27,046 | $1.00 | $25,000 | View SEC filing | |
| 2025-11-18 | Voss Capital, LP 10% Owner | Purchase | +104,183 | +12.67%926,441 | $1.22 | $127,593 | View SEC filing | |
| 2025-10-28 | Voss Capital, LP 10% Owner | Purchase | +306,050 | +30.12%1,322,258 | $1.38 | $423,466 | View SEC filing | |
| 2024-12-09 | WINDSOR JAMES BRIAN President and CEO | Purchase | +400 | +100.00%161 | $2.24 | $898 | View SEC filing | |
| 2024-06-17 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO 10% Owner | Sale | -6,607 | -0.38%1,746,549 | $3.26 | $21,568 | View SEC filing | |
| 2024-06-12 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO 10% Owner | Sale | -24,671 | -1.39%1,753,156 | $3.27 | $80,710 | View SEC filing | |
| 2024-06-07 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO 10% Owner | Sale | -12,315 | -0.69%1,777,827 | $3.29 | $40,528 | View SEC filing | |
| 2024-05-14 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO 10% Owner | Sale | -20,315 | -1.12%1,790,142 | $4.21 | $85,473 | View SEC filing | |
| 2024-05-01 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO 10% Owner | Sale | -31,151 | -1.72%1,779,306 | $4.47 | $139,103 | View SEC filing | |
| 2023-12-18 | WINDSOR JAMES BRIAN President and COO | Purchase | +225 | +100.00%225 | $3.37 | $758 | View SEC filing | |
| 2023-11-21 | WINDSOR JAMES BRIAN President and COO | Purchase | +5,076 | +11034.78%5,122 | $1.97 | $9,987 | View SEC filing | |
| 2021-01-08 | Satter Muneer A See Remarks | Purchase | +9,000,000 | +118.27%16,609,449 | $1.10 | $9,900,000 | View SEC filing | |
| 2020-06-17 | Ambros Reinhard J. Director | Purchase | +5,800 | +100.00%5,800 | $1.22 | $7,076 | View SEC filing | |
| 2020-06-09 | VON RICKENBACH JOSEF H Director | Purchase | +227,272 | +104.16%445,460 | $1.10 | $249,999 | View SEC filing | |
| 2020-06-09 | Satter Muneer A Director, 10% Owner, Other | Purchase | +3,700,000 | +94.64%7,609,449 | $1.10 | $4,070,000 | View SEC filing | |
| 2019-11-18 | Bailey Jeffrey Allen Director | Purchase | +55,000 | +276.47%74,894 | $0.51 | $28,050 | View SEC filing | |
| 2019-11-14 | Bailey Jeffrey Allen Director | Purchase | +19,894 | +100.00%19,894 | $0.53 | $10,544 | View SEC filing | |
| 2019-09-16 | VON RICKENBACH JOSEF H Director | Purchase | +113,145 | +107.71%218,188 | $0.98 | $110,505 | View SEC filing | |
| 2019-09-05 | VON RICKENBACH JOSEF H Director | Purchase | +23,225 | +28.39%105,043 | $0.71 | $16,583 | View SEC filing | |
| 2019-09-04 | VON RICKENBACH JOSEF H Director | Purchase | +28,466 | +53.36%81,818 | $0.72 | $20,396 | View SEC filing | |
| 2019-09-03 | VON RICKENBACH JOSEF H Director | Purchase | +3,600 | +7.24%53,352 | $0.77 | $2,771 | View SEC filing | |
| 2019-08-20 | Vukovic Vojo SVP, Chief Medical Officer | Purchase | +75,000 | +100.00%75,000 | $0.59 | $44,453 | View SEC filing | |
| 2019-08-15 | Gregory Kathryn SVP, Chief Business Officer | Purchase | +45,000 | +100.00%45,000 | $0.65 | $29,025 | View SEC filing | |
| 2019-04-02 | NOVARTIS AG 10% Owner | Sale | -127,150 | -5.76%2,079,394 | $1.86 | $236,258 | View SEC filing |
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