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 | Radhakrishnan Maha | Director | Grant(A) | 19K | — | $0 |
| Jun 10, 2026 | Kim Peter S | Director | Grant(A) | 19K | — | $0 |
| Jun 10, 2026 | Chapman Gina | Director | Grant(A) | 19K | — | $0 |
| Jun 10, 2026 | Parmar Kush | Director, 10% Owner | Grant(A) | 19K | — | $0 |
| Jun 10, 2026 | Zeiher Bernhardt G | Director | Grant(A) | 19K | — | $0 |
| Jun 10, 2026 | Thistle Mary | Director | Grant(A) | 19K | — | $0 |
| May 20, 2026 | Zeiher Bernhardt G | Director | Buy(P) | 5K | $5.86 | $29K |
| May 4, 2026 | Dowden Nathan J | President & COO | Option exercise(M) | 15K | $1.74 | $26K |
| May 4, 2026 | Dowden Nathan J | President & COO | Sell(S) | 15K | $15.33 | $230K |
| May 4, 2026 | Dowden Nathan J | President & COO | Option exercise(M) | 15K | — | $0 |
| May 4, 2026 | Sethuraman Natarajan | President, Research & Develop. | Sell(S) | 26K | $15.39 | $399K |
| Apr 1, 2026 | Wentworth Kory James | Chief Financial Officer | Sell(S) | 3K | $12.95 | $32K |
| Mar 10, 2026 | Wentworth Kory James | Chief Financial Officer | Sell(S) | 11K | $13.02 | $148K |
| Mar 10, 2026 | Dowden Nathan J | President & COO | Sell(S) | 12K | $13.05 | $155K |
| Mar 9, 2026 | Wentworth Kory James | Chief Financial Officer | Sell(S) | 5K | $13.00 | $66K |
| Mar 9, 2026 | Dowden Nathan J | President & COO | Sell(S) | 3K | $13.02 | $41K |
| Mar 4, 2026 | Wentworth Kory James | Chief Financial Officer | Sell(S) | 8K | $12.25 | $98K |
| Mar 3, 2026 | Doshi Dipal | CEO, Director | Tax withholding(F) | 19K | $11.76 | $226K |
| Mar 3, 2026 | Wentworth Kory James | Chief Financial Officer | Tax withholding(F) | 6K | $11.76 | $67K |
| Mar 3, 2026 | Dowden Nathan J | President & COO | Tax withholding(F) | 14K | $11.76 | $165K |
| Mar 3, 2026 | Sethuraman Natarajan | President, Research & Develop. | Tax withholding(F) | 8K | $11.76 | $89K |
| Mar 2, 2026 | Doshi Dipal | CEO, Director | Tax withholding(F) | 10K | $11.66 | $115K |
| Mar 2, 2026 | Wentworth Kory James | Chief Financial Officer | Tax withholding(F) | 3K | $11.66 | $34K |
| Mar 2, 2026 | Dowden Nathan J | President & COO | Tax withholding(F) | 7K | $11.66 | $84K |
| Mar 2, 2026 | Sethuraman Natarajan | President, Research & Develop. | Tax withholding(F) | 4K | $11.66 | $45K |
| Mar 1, 2026 | Doshi Dipal | CEO, Director | Grant(A) | 139K | — | $0 |
| Mar 1, 2026 | Doshi Dipal | CEO, Director | Grant(A) | 208K | — | $0 |
| Mar 1, 2026 | Wentworth Kory James | Chief Financial Officer | Grant(A) | 45K | — | $0 |
| Mar 1, 2026 | Wentworth Kory James | Chief Financial Officer | Grant(A) | 67K | — | $0 |
| Mar 1, 2026 | Dowden Nathan J | President & COO | Grant(A) | 56K | — | $0 |
| Mar 1, 2026 | Dowden Nathan J | President & COO | Grant(A) | 83K | — | $0 |
| Mar 1, 2026 | Sethuraman Natarajan | President, Research & Develop. | Grant(A) | 56K | — | $0 |
| Mar 1, 2026 | Sethuraman Natarajan | President, Research & Develop. | Grant(A) | 83K | — | $0 |
| Nov 21, 2025 | Wentworth Kory James | Chief Financial Officer | Sell(S) | 9K | $9.98 | $89K |
| Nov 20, 2025 | Baker Felix | 10% Owner | Buy(P) | 13K | $9.07 | $119K |
| Nov 20, 2025 | Baker Felix | 10% Owner | Buy(P) | 1K | $9.07 | $11K |
| Nov 20, 2025 | Baker Felix | 10% Owner | Buy(P) | 13K | $9.07 | $121K |
| Nov 20, 2025 | Baker Felix | 10% Owner | Buy(P) | 1K | $9.07 | $11K |
| Nov 14, 2025 | 5AM Ventures V, L.P. | 10% Owner | Sell(S) | 200K | $8.80 | $1.8M |
| Nov 14, 2025 | Parmar Kush | Director, 10% Owner | Sell(S) | 200K | $8.80 | $1.8M |
| Nov 12, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 11K | $7.95 | $91K |
| Nov 12, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 7K | $7.73 | $57K |
| Nov 12, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 81K | $7.73 | $625K |
| Nov 12, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 1K | $7.95 | $8K |
| Nov 11, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 12K | $7.39 | $86K |
| Nov 11, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 3K | $7.54 | $21K |
| Nov 11, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 31K | $7.54 | $233K |
| Nov 11, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 1K | $7.39 | $8K |
| Nov 10, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 3K | $7.22 | $21K |
| Nov 10, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 267 | $7.22 | $2K |
| Nov 10, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 25K | $7.21 | $183K |
| Nov 10, 2025 | Baker Bros. Advisors (GP) LLC | 10% Owner | Buy(P) | 2K | $7.21 | $17K |
| Sep 2, 2025 | Doshi Dipal | CEO, Director | Tax withholding(F) | 9K | $5.43 | $47K |
| Sep 2, 2025 | Wentworth Kory James | Chief Financial Officer | Tax withholding(F) | 2K | $5.43 | $9K |
| Sep 2, 2025 | Dowden Nathan J | President & COO | Tax withholding(F) | 2K | $5.43 | $9K |
| Sep 2, 2025 | Sethuraman Natarajan | President, Research & Develop. | Tax withholding(F) | 2K | $5.43 | $10K |
| Jul 9, 2025 | 5AM Opportunities I, L.P. | 10% Owner | Sell(S) | 20K | $7.50 | $150K |
| Jul 9, 2025 | 5AM Opportunities I, L.P. | 10% Owner | Sell(S) | 7K | $7.50 | $52K |
| Jul 9, 2025 | Parmar Kush | Director, 10% Owner | Sell(S) | 20K | $7.50 | $150K |
| Jul 9, 2025 | Parmar Kush | Director, 10% Owner | Sell(S) | 7K | $7.50 | $52K |
| Jul 1, 2025 | Schwab Andrew J. | 10% Owner | Sell(S) | 6K | $7.12 | $46K |
| Jul 1, 2025 | Schwab Andrew J. | 10% Owner | Sell(S) | 19K | $7.12 | $132K |
| Jul 1, 2025 | Parmar Kush | Director, 10% Owner | Sell(S) | 6K | $7.12 | $46K |
| Jul 1, 2025 | Parmar Kush | Director, 10% Owner | Sell(S) | 19K | $7.12 | $132K |
| Jun 30, 2025 | Schwab Andrew J. | 10% Owner | Sell(S) | 19K | $6.81 | $127K |
| Jun 30, 2025 | Schwab Andrew J. | 10% Owner | Sell(S) | 6K | $6.81 | $44K |
| Jun 30, 2025 | Parmar Kush | Director, 10% Owner | Sell(S) | 6K | $6.81 | $44K |
| Jun 30, 2025 | Parmar Kush | Director, 10% Owner | Sell(S) | 19K | $6.81 | $127K |
| Jun 27, 2025 | Schwab Andrew J. | 10% Owner | Sell(S) | 56K | $6.91 | $385K |
| Jun 27, 2025 | Schwab Andrew J. | 10% Owner | Sell(S) | 19K | $6.91 | $133K |
| Jun 27, 2025 | Parmar Kush | Director, 10% Owner | Sell(S) | 19K | $6.91 | $133K |
| Jun 27, 2025 | Parmar Kush | Director, 10% Owner | Sell(S) | 56K | $6.91 | $385K |
| Jun 11, 2025 | Chapman Gina | Director | Grant(A) | 19K | — | $0 |
| Jun 11, 2025 | Zeiher Bernhardt G | Director | Grant(A) | 19K | — | $0 |
| Jun 11, 2025 | Thistle Mary | Director | Grant(A) | 19K | — | $0 |
| Jun 11, 2025 | Kim Peter S | Director | Grant(A) | 19K | — | $0 |
| Jun 11, 2025 | Parmar Kush | Director, 10% Owner | Grant(A) | 19K | — | $0 |
| Jun 1, 2025 | Radhakrishnan Maha | Director | Grant(A) | 38K | — | $0 |
| Apr 3, 2025 | Wentworth Kory James | Chief Financial Officer | Option exercise(M) | 11K | $2.10 | $23K |
| Apr 3, 2025 | Wentworth Kory James | Chief Financial Officer | Option exercise(M) | 11K | — | $0 |
| Mar 17, 2025 | Wentworth Kory James | Chief Financial Officer | Sell(S) | 2K | $10.67 | $19K |
| Mar 3, 2025 | Sethuraman Natarajan | President, Research & Develop. | Tax withholding(F) | 6K | $11.68 | $72K |
| Mar 3, 2025 | Dowden Nathan J | President & COO | Tax withholding(F) | 5K | $11.68 | $60K |
| Mar 3, 2025 | Wentworth Kory James | Chief Financial Officer | Tax withholding(F) | 5K | $11.68 | $58K |
| Mar 3, 2025 | Doshi Dipal | CEO, Director | Tax withholding(F) | 18K | $11.68 | $205K |
| Mar 1, 2025 | Sethuraman Natarajan | President, Research & Develop. | Grant(A) | 61K | — | $0 |
| Mar 1, 2025 | Sethuraman Natarajan | President, Research & Develop. | Grant(A) | 91K | — | $0 |
| Mar 1, 2025 | Dowden Nathan J | President & COO | Grant(A) | 61K | — | $0 |
| Mar 1, 2025 | Dowden Nathan J | President & COO | Grant(A) | 91K | — | $0 |
| Mar 1, 2025 | Wentworth Kory James | Chief Financial Officer | Grant(A) | 42K | — | $0 |
| Mar 1, 2025 | Wentworth Kory James | Chief Financial Officer | Grant(A) | 63K | — | $0 |
| Mar 1, 2025 | Doshi Dipal | CEO, Director | Grant(A) | 116K | — | $0 |
| Mar 1, 2025 | Doshi Dipal | CEO, Director | Grant(A) | 173K | — | $0 |
| Dec 11, 2024 | MPM Asset Management Investors BV2018 LLC | 10% Owner | Sell(S) | 22K | $20.23 | $441K |
| Dec 11, 2024 | MPM BioVentures 2018 GP LLC | 10% Owner | Sell(S) | 22K | $20.23 | $441K |
| Dec 10, 2024 | MPM Asset Management Investors BV2018 LLC | 10% Owner | Sell(S) | 23K | $20.77 | $476K |
| Dec 10, 2024 | MPM BioVentures 2018 GP LLC | 10% Owner | Sell(S) | 23K | $20.77 | $476K |
| Dec 3, 2024 | Sethuraman Natarajan | President, Research & Develop. | Sell(S) | 12K | $20.15 | $236K |
| Dec 2, 2024 | Sethuraman Natarajan | President, Research & Develop. | Sell(S) | 4K | $20.26 | $83K |
| Dec 2, 2024 | Wentworth Kory James | Chief Financial Officer | Option exercise(M) | 5K | $2.10 | $11K |
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).