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 1, 2023 | Tang Capital Partners LP | 10% Owner | Other(J) | 4.4M | — | — |
| Jun 1, 2023 | Gibson Neil W | Director | Disposed to issuer(D) | 6K | — | $0 |
| Jun 1, 2023 | Gibson Neil W | Director | Disposed to issuer(D) | 5K | — | $0 |
| Jun 1, 2023 | Gibson Neil W | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Gibson Neil W | Director | Disposed to issuer(D) | 8K | — | $0 |
| Jun 1, 2023 | Gibson Neil W | Director | Disposed to issuer(D) | 17K | — | $0 |
| Jun 1, 2023 | Gibson Neil W | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Hegde Priti | Director | Disposed to issuer(D) | 17K | — | $0 |
| Jun 1, 2023 | Hegde Priti | Director | Disposed to issuer(D) | 25K | — | $0 |
| Jun 1, 2023 | Hegde Priti | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Hoos Axel | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Hoos Axel | Director | Disposed to issuer(D) | 10K | — | $0 |
| Jun 1, 2023 | Hoos Axel | Director | Disposed to issuer(D) | 17K | — | $0 |
| Jun 1, 2023 | Hoos Axel | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Justice Angela | Chief People Officer | Disposed to issuer(D) | 49K | — | — |
| Jun 1, 2023 | Justice Angela | Chief People Officer | Disposed to issuer(D) | 77K | — | $0 |
| Jun 1, 2023 | Justice Angela | Chief People Officer | Disposed to issuer(D) | 1K | — | $0 |
| Jun 1, 2023 | Justice Angela | Chief People Officer | Disposed to issuer(D) | 78K | — | $0 |
| Jun 1, 2023 | Justice Angela | Chief People Officer | Disposed to issuer(D) | 6K | — | $0 |
| Jun 1, 2023 | Justice Angela | Chief People Officer | Disposed to issuer(D) | 13K | — | $0 |
| Jun 1, 2023 | Justice Angela | Chief People Officer | Disposed to issuer(D) | 14K | — | $0 |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 133K | — | — |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 139K | — | — |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 133K | — | — |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 306K | — | $0 |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 138K | — | $0 |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 433K | — | $0 |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 40K | — | $0 |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 238K | — | $0 |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 3K | — | $0 |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 15K | — | $0 |
| Jun 1, 2023 | Menzel Garry E | President and CEO, Director | Disposed to issuer(D) | 23K | — | $0 |
| Jun 1, 2023 | Harrison Rosemary | Chief Business & Strategy | Disposed to issuer(D) | 191K | — | $0 |
| Jun 1, 2023 | Harrison Rosemary | Chief Business & Strategy | Disposed to issuer(D) | 77K | — | $0 |
| Jun 1, 2023 | Harrison Rosemary | Chief Business & Strategy | Disposed to issuer(D) | 13K | — | $0 |
| Jun 1, 2023 | Webster Stephen W | Director | Disposed to issuer(D) | 17K | — | $0 |
| Jun 1, 2023 | Webster Stephen W | Director | Disposed to issuer(D) | 10K | — | $0 |
| Jun 1, 2023 | Webster Stephen W | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Webster Stephen W | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Olagunju Peter | Chief Operating Officer | Disposed to issuer(D) | 24K | — | — |
| Jun 1, 2023 | Olagunju Peter | Chief Operating Officer | Disposed to issuer(D) | 98K | — | $0 |
| Jun 1, 2023 | Olagunju Peter | Chief Operating Officer | Disposed to issuer(D) | 47K | — | $0 |
| Jun 1, 2023 | Olagunju Peter | Chief Operating Officer | Disposed to issuer(D) | 16K | — | $0 |
| Jun 1, 2023 | Olagunju Peter | Chief Operating Officer | Disposed to issuer(D) | 62K | — | $0 |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 109K | — | — |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 71K | — | $0 |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 42K | — | $0 |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 91K | — | $0 |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 115K | — | $0 |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 32K | — | $0 |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 1K | — | $0 |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 10K | — | $0 |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 6K | — | $0 |
| Jun 1, 2023 | Cardama Alfonso Quintas | Chief Medical Officer | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Sullivan Eric | Chief Financial Officer | Disposed to issuer(D) | 250K | — | $0 |
| Jun 1, 2023 | Sullivan Eric | Chief Financial Officer | Disposed to issuer(D) | 7K | — | $0 |
| Jun 1, 2023 | Sullivan Eric | Chief Financial Officer | Disposed to issuer(D) | 41K | — | $0 |
| Jun 1, 2023 | Tomasello Shawn | Director | Disposed to issuer(D) | 4K | — | $0 |
| Jun 1, 2023 | Tomasello Shawn | Director | Disposed to issuer(D) | 15K | — | $0 |
| Jun 1, 2023 | Tomasello Shawn | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Tomasello Shawn | Director | Disposed to issuer(D) | 17K | — | $0 |
| Jun 1, 2023 | Allen Andrew R | Director | Disposed to issuer(D) | 8K | — | $0 |
| Jun 1, 2023 | Allen Andrew R | Director | Disposed to issuer(D) | 6K | — | $0 |
| Jun 1, 2023 | Allen Andrew R | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Allen Andrew R | Director | Disposed to issuer(D) | 5K | — | $0 |
| Jun 1, 2023 | Allen Andrew R | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 1, 2023 | Allen Andrew R | Director | Disposed to issuer(D) | 17K | — | $0 |
| Jun 1, 2023 | Gadicke Ansbert | Director, 10% Owner | Other(J) | 3.4M | — | $0 |
| Jun 1, 2023 | Gadicke Ansbert | Director, 10% Owner | Other(J) | 3.9M | — | $0 |
| Jun 1, 2023 | Gadicke Ansbert | Director, 10% Owner | Other(J) | 304K | — | $0 |
| Jun 1, 2023 | MPM BioVentures 2014 (B), L.P. | 10% Owner | Other(J) | 4.2M | — | $0 |
| Jun 1, 2023 | MPM Asset Management Investors SunStates Fund LLC | 10% Owner | Other(J) | 4.2M | — | $0 |
| Jun 1, 2023 | Oncology Impact Fund (Cayman) Management L.P. | 10% Owner | Other(J) | 3.4M | — | $0 |
| May 25, 2023 | Tang Capital Partners LP | 10% Owner | Buy(P) | 50K | $1.72 | $86K |
| May 22, 2023 | Gadicke Ansbert | Director, 10% Owner | Option exercise(X) | 178K | $0.74 | $132K |
| May 22, 2023 | Gadicke Ansbert | Director, 10% Owner | Sell(S) | 70K | $1.88 | $132K |
| May 22, 2023 | Gadicke Ansbert | Director, 10% Owner | Option exercise(X) | 136K | — | $0 |
| May 22, 2023 | Gadicke Ansbert | Director, 10% Owner | Option exercise(X) | 43K | — | $0 |
| May 22, 2023 | MPM Asset Management LLC | 10% Owner | Option exercise(X) | 178K | $0.74 | $132K |
| May 22, 2023 | MPM Asset Management LLC | 10% Owner | Sell(S) | 70K | $1.88 | $132K |
| May 22, 2023 | MPM Asset Management LLC | 10% Owner | Option exercise(X) | 136K | — | $0 |
| May 22, 2023 | MPM Asset Management LLC | 10% Owner | Option exercise(X) | 43K | — | $0 |
| May 12, 2023 | Tang Kevin C | 10% Owner | Buy(P) | 6K | $1.95 | $12K |
| May 11, 2023 | Tang Kevin C | 10% Owner | Buy(P) | 39K | $1.95 | $76K |
| May 10, 2023 | Tang Capital Partners LP | 10% Owner | Buy(P) | 7K | $1.95 | $13K |
| May 9, 2023 | Tang Capital Partners LP | 10% Owner | Buy(P) | 20K | $1.95 | $39K |
| May 8, 2023 | Tang Capital Partners LP | 10% Owner | Buy(P) | 57K | $1.95 | $111K |
| May 5, 2023 | Tang Capital Partners LP | 10% Owner | Buy(P) | 96K | $1.90 | $182K |
| May 5, 2023 | Tang Capital Partners LP | 10% Owner | Buy(P) | 71K | $1.94 | $138K |
| May 4, 2023 | Tang Capital Partners LP | 10% Owner | Buy(P) | 104K | $1.86 | $194K |
| May 3, 2023 | Tang Capital Partners LP | 10% Owner | Buy(P) | 19K | $1.85 | $34K |
| Dec 15, 2022 | Webster Stephen W | Director | Grant(A) | 17K | — | $0 |
| Dec 15, 2022 | Tomasello Shawn | Director | Grant(A) | 17K | — | $0 |
| Dec 15, 2022 | Harrison Rosemary | Chief Business & Strategy | Grant(A) | 13K | — | $0 |
| Dec 15, 2022 | Harrison Rosemary | Chief Business & Strategy | Grant(A) | 77K | — | $0 |
| Dec 15, 2022 | Hegde Priti | Director | Grant(A) | 17K | — | $0 |
| Dec 15, 2022 | Hoos Axel | Director | Grant(A) | 17K | — | $0 |
| Dec 15, 2022 | Sullivan Eric | Chief Financial Officer | Grant(A) | 7K | — | $0 |
| Dec 15, 2022 | Sullivan Eric | Chief Financial Officer | Grant(A) | 41K | — | $0 |
| Dec 15, 2022 | Allen Andrew R | Director | Grant(A) | 17K | — | $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 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).