$16.55
−2.30%0
Insider buys (3m)
1
Insider sells (3m)
-$3.5M
Net value (3m)
-27.9%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 24, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Sale | 162,500 | $21 |
| Jun 16, 2026 | Williams Charles O · officer: Chief Operating Officer | A-Award | 1,666 | $8.11 |
| Jun 16, 2026 | Parker Craig C · director, officer: Chief Executive Officer | A-Award | 1,622 | $8.11 |
| Jun 16, 2026 | Maleki Andrew Pedrum · officer: Chief Financial Officer | A-Award | 607 | $19 |
| Jun 16, 2026 | Li Yang · officer: Exec. Vice President, Research | A-Award | 1,666 | $8.11 |
| May 19, 2026 | Kutzkey Tim · director, 10 percent owner: | A-Award | 5,550 | $30 |
| May 14, 2026 | CHAI CHRISTOPHER Y · director | A-Award | 5,550 | $30 |
| May 14, 2026 | BJERKHOLT ERIC · director | A-Award | 5,550 | $30 |
| May 14, 2026 | Berkenblit Anna · director | A-Award | 5,550 | $30 |
| May 14, 2026 | Rothenberg Mace · director | A-Award | 5,550 | $30 |
| May 14, 2026 | WOODHOUSE DAVID J · director | A-Award | 5,550 | $30 |
| May 14, 2026 | Haak-Frendscho Mary · director | A-Award | 5,550 | $30 |
| May 5, 2026 | Williams Charles O · officer: Chief Operating Officer | M-Exempt | 5,625 | $0.00 |
| May 5, 2026 | Williams Charles O · officer: Chief Operating Officer | Sale | 2,036 | $33 |
| May 5, 2026 | Parker Craig C · director, officer: Chief Executive Officer | M-Exempt | 12,500 | $0.00 |
| May 5, 2026 | Parker Craig C · director, officer: Chief Executive Officer | Sale | 4,524 | $33 |
| May 5, 2026 | Li Yang · officer: Exec. Vice President, Research | M-Exempt | 4,375 | $0.00 |
| May 5, 2026 | Li Yang · officer: Exec. Vice President, Research | Sale | 1,584 | $33 |
| Mar 25, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Purchase | 7,611 | $25 |
| Mar 25, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Purchase | 53,329 | $25 |
| Mar 25, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Purchase | 7,612 | $25 |
| Mar 16, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Purchase | 17,716 | $25 |
| Mar 16, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Purchase | 17,717 | $25 |
| Mar 16, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Purchase | 6,187 | $25 |
| Mar 16, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Purchase | 595 | $25 |
| Feb 18, 2026 | Williams Charles O · officer: Chief Operating Officer | A-Award | 102,900 | $0.00 |
| Feb 18, 2026 | Parker Craig C · director, officer: Chief Executive Officer | A-Award | 242,200 | $25 |
| Feb 18, 2026 | Li Yang · officer: Exec. Vice President, Research | A-Award | 100,950 | $0.00 |
| Feb 13, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Purchase | 546 | $24 |
| Feb 13, 2026 | TCG Crossover GP II, LLC · 10 percent owner | Purchase | 8,881 | $24 |
Institutional positioning
13F filings over the trailing two quarters
New 43Increased 35Reduced 25Sold out 16
| Filer | Action | Shares | Filed |
|---|---|---|---|
| TCG Crossover Management, LLC | Unchanged | 1,473,101 | Aug 14, 2026 |
| TCG CROSSOVER MANAGEMENT, LLC | New Position | 1,473,101 | May 15, 2026 |
| Boxer Capital Management, LLC | Increased | 1,105,683 | Aug 14, 2026 |
| BOXER CAPITAL MANAGEMENT, LLC | Increased | 766,318 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 731,138 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | Reduced | 683,079 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | New Position | 664,272 | Aug 14, 2026 |
| VR ADVISER, LLC | Unchanged | 632,931 | May 15, 2026 |
| VR Adviser, LLC | Unchanged | 632,931 | Aug 14, 2026 |
| STEMPOINT CAPITAL LP | Increased | 602,798 | Aug 14, 2026 |
| STEMPOINT CAPITAL LP | Reduced | 525,639 | May 18, 2026 |
| PERCEPTIVE ADVISORS LLC | Increased | 503,985 | Aug 14, 2026 |
| Spruce Street Capital LP | Unchanged | 432,040 | Aug 13, 2026 |
| Spruce Street Capital LP | Unchanged | 432,040 | May 14, 2026 |
| BRAIDWELL LP | Reduced | 396,100 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 24, 2026