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 10, 2026 | Nashat Amir | Director, 10% Owner | Grant(A) | 28K | — | $0 |
| Jun 10, 2026 | Stewart Murray | Director | Grant(A) | 28K | — | $0 |
| Jun 10, 2026 | Holtzman Steven H | Director | Grant(A) | 28K | — | $0 |
| Jun 10, 2026 | Schwab Andrew J. | Director, 10% Owner | Grant(A) | 28K | — | $0 |
| Jun 10, 2026 | Young Richard A | Director | Grant(A) | 28K | — | $0 |
| Jun 10, 2026 | Williams Douglas E | Director | Grant(A) | 28K | — | $0 |
| Apr 1, 2026 | MacLean Michael F | Director | Grant(A) | 56K | — | $0 |
| Apr 1, 2026 | Maricich Yuri | Chief Medical Officer | Grant(A) | 215K | — | $0 |
| Apr 1, 2026 | Mandel-Brehm Josh | Chief Executive Officer, Director | Grant(A) | 580K | — | $0 |
| Apr 1, 2026 | Gold Kelly | Chief Financial Officer | Grant(A) | 215K | — | $0 |
| Apr 1, 2026 | Tardiff Daniel | Chief Scientific Officer | Grant(A) | 170K | — | $0 |
| Dec 11, 2025 | Maricich Yuri | Chief Medical Officer | Grant(A) | 190K | — | $0 |
| Dec 11, 2025 | Mandel-Brehm Josh | Chief Executive Officer, Director | Grant(A) | 425K | — | $0 |
| Dec 11, 2025 | Gold Kelly | Chief Financial Officer | Grant(A) | 190K | — | $0 |
| Dec 11, 2025 | Tardiff Daniel | Chief Scientific Officer | Grant(A) | 146K | — | $0 |
| Sep 11, 2025 | Nashat Amir | Director, 10% Owner | Buy(P) | 1.2M | $1.53 | $1.9M |
| Sep 11, 2025 | Nashat Amir | Director, 10% Owner | Buy(P) | 85K | $1.53 | $131K |
| Sep 11, 2025 | Polaris Management Co. VII, L.L.C. | 10% Owner | Buy(P) | 85K | $1.53 | $131K |
| Sep 11, 2025 | Polaris Management Co. VII, L.L.C. | 10% Owner | Buy(P) | 1.2M | $1.53 | $1.9M |
| Sep 11, 2025 | 5AM Ventures VII, L.P. | 10% Owner | Buy(P) | 2.9M | $1.53 | $4.5M |
| Sep 11, 2025 | Young Richard A | Director | Buy(P) | 15K | $1.65 | $25K |
| Sep 11, 2025 | Schwab Andrew J. | Director, 10% Owner | Grant(A) | 2.9M | $1.53 | $4.5M |
| Sep 11, 2025 | Maricich Yuri | Chief Medical Officer | Buy(P) | 6K | $1.65 | $10K |
| Sep 11, 2025 | Mandel-Brehm Josh | Chief Executive Officer, Director | Buy(P) | 6K | $1.65 | $10K |
| Sep 11, 2025 | Gold Kelly | Chief Financial Officer | Buy(P) | 6K | $1.65 | $10K |
| Jun 25, 2025 | Ragan Paula | Director | Grant(A) | 9K | — | $0 |
| Jun 25, 2025 | Thadhani Ravi I. | Director | Grant(A) | 9K | — | $0 |
| Jun 25, 2025 | Nashat Amir | Director, 10% Owner | Grant(A) | 9K | — | $0 |
| Jun 25, 2025 | Holtzman Steven H | Director | Grant(A) | 9K | — | $0 |
| Jun 25, 2025 | Schwab Andrew J. | Director, 10% Owner | Grant(A) | 9K | — | $0 |
| Jun 25, 2025 | Higgins Michael J | Director | Grant(A) | 9K | — | $0 |
| Jun 25, 2025 | Young Richard A | Director | Grant(A) | 9K | — | $0 |
| Jun 25, 2025 | Boylan James P | Director | Grant(A) | 9K | — | $0 |
| Apr 1, 2025 | Mandel-Brehm Josh | Chief Executive Officer, Director | Grant(A) | 160K | — | $0 |
| Apr 1, 2025 | Gold Kelly | Chief Financial Officer | Grant(A) | 80K | — | $0 |
| Apr 1, 2025 | Maricich Yuri | Chief Medical Officer | Grant(A) | 80K | — | $0 |
| Apr 1, 2025 | Bumcrot David | Chief Scientific Officer | Grant(A) | 45K | — | $0 |
| Mar 17, 2025 | Stewart Murray | Director | Grant(A) | 18K | — | $0 |
| Mar 17, 2025 | Williams Douglas E | Director | Grant(A) | 18K | — | $0 |
| Oct 15, 2024 | Polaris Partners VII, L.P. | 10% Owner | Conversion(C) | 87K | — | — |
| Oct 15, 2024 | Polaris Partners VII, L.P. | 10% Owner | Conversion(C) | 1.3M | — | — |
| Oct 15, 2024 | Polaris Partners VII, L.P. | 10% Owner | Conversion(C) | 25K | — | — |
| Oct 15, 2024 | Polaris Partners VII, L.P. | 10% Owner | Buy(P) | 909K | $11.00 | $10.0M |
| Oct 15, 2024 | Polaris Partners VII, L.P. | 10% Owner | Conversion(C) | 354K | — | — |
| Oct 15, 2024 | Polaris Partners VII, L.P. | 10% Owner | Conversion(C) | 278K | — | — |
| Oct 15, 2024 | Polaris Partners VII, L.P. | 10% Owner | Conversion(C) | 4.0M | — | — |
| Oct 15, 2024 | Polaris Partners VII, L.P. | 10% Owner | Conversion(C) | 14.0M | — | — |
| Oct 15, 2024 | Polaris Partners VII, L.P. | 10% Owner | Conversion(C) | 981K | — | — |
| Oct 15, 2024 | Polaris Management Co. VII, L.L.C. | 10% Owner | Buy(P) | 909K | $11.00 | $10.0M |
| Oct 15, 2024 | Polaris Management Co. VII, L.L.C. | 10% Owner | Conversion(C) | 1.3M | — | — |
| Oct 15, 2024 | Polaris Management Co. VII, L.L.C. | 10% Owner | Conversion(C) | 87K | — | — |
| Oct 15, 2024 | Polaris Management Co. VII, L.L.C. | 10% Owner | Conversion(C) | 354K | — | — |
| Oct 15, 2024 | Polaris Management Co. VII, L.L.C. | 10% Owner | Conversion(C) | 25K | — | — |
| Oct 15, 2024 | Polaris Management Co. VII, L.L.C. | 10% Owner | Conversion(C) | 981K | — | — |
| Oct 15, 2024 | Polaris Management Co. VII, L.L.C. | 10% Owner | Conversion(C) | 278K | — | — |
| Oct 15, 2024 | Polaris Management Co. VII, L.L.C. | 10% Owner | Conversion(C) | 14.0M | — | — |
| Oct 15, 2024 | Polaris Management Co. VII, L.L.C. | 10% Owner | Conversion(C) | 4.0M | — | — |
| Oct 15, 2024 | Mandel-Brehm Josh | Chief Executive Officer, Director | Conversion(C) | 605 | — | — |
| Oct 15, 2024 | Mandel-Brehm Josh | Chief Executive Officer, Director | Conversion(C) | 7K | — | — |
| Oct 15, 2024 | Young Richard A | Director | Conversion(C) | 9K | — | — |
| Oct 15, 2024 | Young Richard A | Director | Conversion(C) | 100K | — | — |
| Oct 15, 2024 | Holtzman Steven H | Director | Conversion(C) | 9K | — | — |
| Oct 15, 2024 | Holtzman Steven H | Director | Conversion(C) | 100K | — | — |
| Oct 15, 2024 | Schwab Andrew J. | Director, 10% Owner | Conversion(C) | 378K | — | — |
| Oct 15, 2024 | Schwab Andrew J. | Director, 10% Owner | Conversion(C) | 303K | — | — |
| Oct 15, 2024 | Schwab Andrew J. | Director, 10% Owner | Buy(P) | 909K | $11.00 | $10.0M |
| Oct 15, 2024 | Schwab Andrew J. | Director, 10% Owner | Conversion(C) | 1.3M | — | — |
| Oct 15, 2024 | Schwab Andrew J. | Director, 10% Owner | Conversion(C) | 4.2M | — | — |
| Oct 15, 2024 | Schwab Andrew J. | Director, 10% Owner | Conversion(C) | 3.4M | — | — |
| Oct 15, 2024 | Schwab Andrew J. | Director, 10% Owner | Conversion(C) | 15.0M | — | — |
| Oct 15, 2024 | Nashat Amir | Director, 10% Owner | Buy(P) | 909K | $11.00 | $10.0M |
| Oct 15, 2024 | Nashat Amir | Director, 10% Owner | Conversion(C) | 354K | — | — |
| Oct 15, 2024 | Nashat Amir | Director, 10% Owner | Conversion(C) | 87K | — | — |
| Oct 15, 2024 | Nashat Amir | Director, 10% Owner | Conversion(C) | 1.3M | — | — |
| Oct 15, 2024 | Nashat Amir | Director, 10% Owner | Conversion(C) | 25K | — | — |
| Oct 15, 2024 | Nashat Amir | Director, 10% Owner | Conversion(C) | 4.0M | — | — |
| Oct 15, 2024 | Nashat Amir | Director, 10% Owner | Conversion(C) | 981K | — | — |
| Oct 15, 2024 | Nashat Amir | Director, 10% Owner | Conversion(C) | 14.0M | — | — |
| Oct 15, 2024 | Nashat Amir | Director, 10% Owner | Conversion(C) | 278K | — | — |
| Oct 15, 2024 | 5AM Opportunities II, L.P. | 10% Owner | Conversion(C) | 1.7M | — | — |
| Oct 15, 2024 | 5AM Opportunities II, L.P. | 10% Owner | Conversion(C) | 303K | — | — |
| Oct 15, 2024 | 5AM Opportunities II, L.P. | 10% Owner | Buy(P) | 909K | $11.00 | $10.0M |
| Oct 15, 2024 | 5AM Opportunities II, L.P. | 10% Owner | Conversion(C) | 15.0M | — | — |
| Oct 15, 2024 | 5AM Opportunities II, L.P. | 10% Owner | Conversion(C) | 3.4M | — | — |
| Oct 15, 2024 | 5AM Opportunities II, L.P. | 10% Owner | Conversion(C) | 4.2M | — | — |
| Oct 15, 2024 | Everest Aggregator, LP | 10% Owner | Conversion(C) | 2.4M | — | — |
| Oct 15, 2024 | Everest Aggregator, LP | 10% Owner | Buy(P) | 1.4M | $11.00 | $15.0M |
| Oct 15, 2024 | Everest Aggregator, LP | 10% Owner | Conversion(C) | 27.2M | — | — |
| Oct 15, 2024 | AH Equity Partners Bio I, L.L.C. | 10% Owner | Buy(P) | 182K | $11.00 | $2.0M |
| Oct 15, 2024 | AH Equity Partners Bio I, L.L.C. | 10% Owner | Buy(P) | 545K | $11.00 | $6.0M |
| Oct 15, 2024 | AH Equity Partners Bio I, L.L.C. | 10% Owner | Conversion(C) | 1.4M | — | — |
| Oct 15, 2024 | AH Equity Partners Bio I, L.L.C. | 10% Owner | Conversion(C) | 15.0M | — | — |
| Oct 15, 2024 | AH Equity Partners Bio I, L.L.C. | 10% Owner | Conversion(C) | 679K | — | — |
| Oct 15, 2024 | Northpond Ventures II, LP | 10% Owner | Conversion(C) | 1.0M | — | — |
| Oct 15, 2024 | Northpond Ventures II, LP | 10% Owner | Conversion(C) | 471K | — | — |
| Oct 15, 2024 | Northpond Ventures II, LP | 10% Owner | Buy(P) | 764K | $11.00 | $8.4M |
| Oct 15, 2024 | Northpond Ventures II, LP | 10% Owner | Conversion(C) | 11.3M | — | — |
| Oct 15, 2024 | Northpond Ventures II, LP | 10% Owner | Conversion(C) | 5.3M | — | — |
| Jun 5, 2024 | Cohenour Jason | Director | Sell(S) | 9K | $0.83 | $7K |
| May 5, 2024 | Kim Jikun | Chief Financial Officer | Tax withholding(F) | 487 | $3.68 | $2K |
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 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).