The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 29, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Grant(A) | 70K | — | $0 |
| Jun 29, 2026 | Brennan Aoife | President and CEO, Director | Sell(S) | 31K | $13.17 | $407K |
| Jun 29, 2026 | Celebi Breanna Maurine | Director | Grant(A) | 70K | — | $0 |
| Jun 27, 2026 | Brennan Aoife | President and CEO, Director | Option exercise(M) | 69K | — | — |
| Jun 27, 2026 | Brennan Aoife | President and CEO, Director | Option exercise(M) | 69K | — | $0 |
| Jun 5, 2026 | Cumbo Alexander | Director | Grant(A) | 40K | — | $0 |
| Jun 5, 2026 | Williams Douglas E | Director | Grant(A) | 40K | — | $0 |
| Jun 5, 2026 | Thomas Stephen Basil | Director | Grant(A) | 40K | — | $0 |
| Jun 5, 2026 | Dunn Judith | Director | Grant(A) | 40K | — | $0 |
| Jun 5, 2026 | Drapkin Kimberlee C | Director | Grant(A) | 40K | — | $0 |
| Jun 5, 2026 | Levin Andrew David | Director | Grant(A) | 40K | — | $0 |
| Jun 5, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Grant(A) | 40K | — | $0 |
| Apr 29, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Grant(A) | 2.1M | $9.50 | $20.0M |
| Feb 26, 2026 | Thomas Stephen Basil | Director | Sell(S) | 16K | $7.01 | $114K |
| Feb 25, 2026 | Thomas Stephen Basil | Director | Sell(S) | 34K | $7.00 | $236K |
| Feb 13, 2026 | Thomas Stephen Basil | Director | Sell(S) | 10K | $5.81 | $58K |
| Feb 12, 2026 | Thomas Stephen Basil | Director | Sell(S) | 90K | $5.23 | $471K |
| Jan 6, 2026 | Driscoll Cindy | Senior Vice President, Finance | Grant(A) | 100K | — | $0 |
| Jan 6, 2026 | ALTSCHULLER Susan | Chief Financial Officer | Grant(A) | 143K | — | $0 |
| Jan 6, 2026 | Wilson Perrin Megan | Chief Business Officer | Grant(A) | 300K | — | $0 |
| Jan 6, 2026 | Brennan Aoife | President and CEO, Director | Grant(A) | 700K | — | $0 |
| Jan 5, 2026 | RA Capital Healthcare Fund LP | Director, 10% Owner | Buy(P) | 7K | $3.50 | $25K |
| Dec 12, 2025 | Kolchinsky Peter | Director, 10% Owner | Buy(P) | 101K | $2.86 | $290K |
| Dec 11, 2025 | Kolchinsky Peter | Director, 10% Owner | Buy(P) | 213K | $2.18 | $465K |
| Dec 11, 2025 | Kolchinsky Peter | Director, 10% Owner | Disposed to issuer(D) | 20.4M | — | $0 |
| Dec 11, 2025 | Kolchinsky Peter | Director, 10% Owner | Grant(A) | 20.4M | — | — |
| Oct 1, 2025 | ALTSCHULLER Susan | Chief Financial Officer | Grant(A) | 600K | — | $0 |
| Aug 7, 2025 | Thomas Stephen Basil | Director | Grant(A) | 100K | — | $0 |
| Jun 30, 2025 | Brennan Aoife | President and CEO, Director | Sell(S) | 21K | $1.22 | $25K |
| Jun 27, 2025 | Thomas Stephen Basil | Director | Option exercise(M) | 25K | — | — |
| Jun 27, 2025 | Thomas Stephen Basil | Director | Option exercise(M) | 25K | — | $0 |
| Jun 27, 2025 | Brennan Aoife | President and CEO, Director | Option exercise(M) | 69K | — | — |
| Jun 27, 2025 | Brennan Aoife | President and CEO, Director | Option exercise(M) | 69K | — | $0 |
| Jun 20, 2025 | Pimblett Emily | SVP, Finance & CAO | Sell(S) | 1K | $1.24 | $2K |
| Jun 18, 2025 | Pimblett Emily | SVP, Finance & CAO | Option exercise(M) | 5K | — | — |
| Jun 18, 2025 | Pimblett Emily | SVP, Finance & CAO | Option exercise(M) | 5K | — | $0 |
| Jun 17, 2025 | Driscoll Cindy | Senior Vice President, Finance | Grant(A) | 200K | — | $0 |
| Jun 4, 2025 | Thomas Stephen Basil | Director | Grant(A) | 40K | — | $0 |
| Jun 4, 2025 | Levin Andrew David | Director | Grant(A) | 40K | — | $0 |
| Jun 4, 2025 | Williams Douglas E | Director | Grant(A) | 40K | — | $0 |
| Jun 4, 2025 | Dunn Judith | Director | Grant(A) | 40K | — | $0 |
| Jun 4, 2025 | Cumbo Alexander | Director | Grant(A) | 40K | — | $0 |
| Jun 4, 2025 | Drapkin Kimberlee C | Director | Grant(A) | 40K | — | $0 |
| Jun 4, 2025 | RA Capital Healthcare Fund LP | Director, 10% Owner | Grant(A) | 40K | — | $0 |
| Mar 31, 2025 | Williams Douglas E | Director | Grant(A) | 79K | — | $0 |
| Mar 28, 2025 | Cumbo Alexander | Director | Grant(A) | 80K | — | $0 |
| Mar 28, 2025 | Drapkin Kimberlee C | Director | Grant(A) | 80K | — | $0 |
| Mar 27, 2025 | Thomas Stephen Basil | Director | Option exercise(M) | 25K | — | — |
| Mar 27, 2025 | Thomas Stephen Basil | Director | Option exercise(M) | 25K | — | $0 |
| Mar 20, 2025 | Pimblett Emily | SVP, Finance & CAO | Sell(S) | 1K | $1.31 | $2K |
| Mar 18, 2025 | Pimblett Emily | SVP, Finance & CAO | Option exercise(M) | 5K | — | — |
| Mar 18, 2025 | Pimblett Emily | SVP, Finance & CAO | Option exercise(M) | 5K | — | $0 |
| Jan 13, 2025 | Kaplan Brett | Chief Operating Officer | Grant(A) | 500K | — | $0 |
| Jan 13, 2025 | Pimblett Emily | SVP, Finance and CAO | Grant(A) | 100K | — | $0 |
| Jan 13, 2025 | Brennan Aoife | President and CEO, Director | Grant(A) | 1.1M | — | $0 |
| Jan 1, 2025 | Thomas Stephen Basil | Director | Option exercise(M) | 50K | — | — |
| Jan 1, 2025 | Thomas Stephen Basil | Director | Option exercise(M) | 50K | — | $0 |
| Dec 19, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | Sell(S) | 1K | $2.02 | $2K |
| Dec 18, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | Option exercise(M) | 5K | — | — |
| Dec 18, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | Option exercise(M) | 5K | — | $0 |
| Nov 11, 2024 | Williams Douglas E | Director | Grant(A) | 6K | — | $0 |
| Nov 11, 2024 | Williams Douglas E | Director | Grant(A) | 20K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-11. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).