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 |
|---|---|---|---|---|---|---|
| Dec 1, 2022 | Wong Roderick | 10% Owner | Other(J) | 3.0M | — | — |
| Dec 1, 2022 | Wong Roderick | 10% Owner | Other(J) | 350K | — | — |
| Dec 1, 2022 | Cook Magdalene | Chief Executive Officer, Director | Grant(A) | 147K | — | — |
| Dec 1, 2022 | Cook Magdalene | Chief Executive Officer, Director | Disposed to issuer(D) | 147K | — | — |
| Dec 1, 2022 | Cook Magdalene | Chief Executive Officer, Director | Disposed to issuer(D) | 451K | — | — |
| Dec 1, 2022 | Cook Magdalene | Chief Executive Officer, Director | Disposed to issuer(D) | 71K | — | — |
| Dec 1, 2022 | Cook Magdalene | Chief Executive Officer, Director | Disposed to issuer(D) | 239K | — | $0 |
| Dec 1, 2022 | Cook Magdalene | Chief Executive Officer, Director | Disposed to issuer(D) | 142K | — | $0 |
| Dec 1, 2022 | Dicicco Wendy F | Chief Financial Officer | Disposed to issuer(D) | 19K | — | — |
| Dec 1, 2022 | Dicicco Wendy F | Chief Financial Officer | Disposed to issuer(D) | 4K | — | — |
| Dec 1, 2022 | Dicicco Wendy F | Chief Financial Officer | Grant(A) | 4K | — | — |
| Dec 1, 2022 | Dicicco Wendy F | Chief Financial Officer | Disposed to issuer(D) | 11K | — | $0 |
| Dec 1, 2022 | Dicicco Wendy F | Chief Financial Officer | Disposed to issuer(D) | 15K | — | $0 |
| Dec 1, 2022 | Dicicco Wendy F | Chief Financial Officer | Disposed to issuer(D) | 38K | — | $0 |
| Dec 1, 2022 | Dicicco Wendy F | Chief Financial Officer | Disposed to issuer(D) | 155K | — | $0 |
| Dec 1, 2022 | Carroll Joseph S | Chief Accounting Officer | Disposed to issuer(D) | 8K | — | — |
| Dec 1, 2022 | Carroll Joseph S | Chief Accounting Officer | Disposed to issuer(D) | 26K | — | $0 |
| Dec 1, 2022 | Carroll Joseph S | Chief Accounting Officer | Disposed to issuer(D) | 29K | — | $0 |
| Dec 1, 2022 | Carroll Joseph S | Chief Accounting Officer | Disposed to issuer(D) | 16K | — | $0 |
| Dec 1, 2022 | Semigran Marc | Chief Medical Officer | Disposed to issuer(D) | 17K | — | — |
| Dec 1, 2022 | Semigran Marc | Chief Medical Officer | Disposed to issuer(D) | 35K | — | — |
| Dec 1, 2022 | Semigran Marc | Chief Medical Officer | Grant(A) | 35K | — | — |
| Dec 1, 2022 | Semigran Marc | Chief Medical Officer | Disposed to issuer(D) | 89K | — | $0 |
| Dec 1, 2022 | Semigran Marc | Chief Medical Officer | Disposed to issuer(D) | 35K | — | $0 |
| Dec 1, 2022 | Semigran Marc | Chief Medical Officer | Disposed to issuer(D) | 170K | — | $0 |
| Dec 1, 2022 | Killeen Matthew | Chief Scientific Officer | Disposed to issuer(D) | 5K | — | — |
| Dec 1, 2022 | Killeen Matthew | Chief Scientific Officer | Disposed to issuer(D) | 194K | — | $0 |
| Dec 1, 2022 | Killeen Matthew | Chief Scientific Officer | Disposed to issuer(D) | 11K | — | $0 |
| Dec 1, 2022 | Amusa Gbolahan | Director | Disposed to issuer(D) | 279K | — | — |
| Dec 1, 2022 | Amusa Gbolahan | Director | Disposed to issuer(D) | 12K | — | $0 |
| Dec 1, 2022 | Amusa Gbolahan | Director | Disposed to issuer(D) | 24K | — | $0 |
| Dec 1, 2022 | Benz Edward J. JR | Director | Grant(A) | 4K | — | — |
| Dec 1, 2022 | Benz Edward J. JR | Director | Disposed to issuer(D) | 4K | — | — |
| Dec 1, 2022 | Benz Edward J. JR | Director | Disposed to issuer(D) | 12K | — | $0 |
| Dec 1, 2022 | Benz Edward J. JR | Director | Disposed to issuer(D) | 24K | — | $0 |
| Dec 1, 2022 | Benz Edward J. JR | Director | Disposed to issuer(D) | 9K | — | $0 |
| Dec 1, 2022 | Covino Gregory F | Director | Disposed to issuer(D) | 12K | — | $0 |
| Dec 1, 2022 | Covino Gregory F | Director | Disposed to issuer(D) | 24K | — | $0 |
| Dec 1, 2022 | Grossman Jonas | Director | Disposed to issuer(D) | 395K | — | — |
| Dec 1, 2022 | Grossman Jonas | Director | Disposed to issuer(D) | 12K | — | $0 |
| Dec 1, 2022 | Grossman Jonas | Director | Disposed to issuer(D) | 24K | — | $0 |
| Dec 1, 2022 | Lau Joan | Director | Disposed to issuer(D) | 12K | — | $0 |
| Dec 1, 2022 | Lau Joan | Director | Disposed to issuer(D) | 24K | — | $0 |
| Dec 1, 2022 | Needham Thomas E. Jr. | Director | Disposed to issuer(D) | 24K | — | $0 |
| Dec 1, 2022 | Needham Thomas E. Jr. | Director | Disposed to issuer(D) | 12K | — | $0 |
| Jun 17, 2022 | Dicicco Wendy F | Chief Financial Officer | Grant(A) | 155K | — | $0 |
| Jun 17, 2022 | Carroll Joseph S | Chief Accounting Officer | Grant(A) | 29K | — | $0 |
| May 25, 2022 | Amusa Gbolahan | Director | Grant(A) | 12K | — | $0 |
| May 25, 2022 | Grossman Jonas | Director | Grant(A) | 12K | — | $0 |
| May 25, 2022 | Benz Edward J. JR | Director | Grant(A) | 12K | — | $0 |
| May 25, 2022 | Covino Gregory F | Director | Grant(A) | 12K | — | $0 |
| May 25, 2022 | Lau Joan | Director | Grant(A) | 12K | — | $0 |
| May 25, 2022 | Needham Thomas E. Jr. | Director | Grant(A) | 12K | — | $0 |
| Apr 22, 2022 | Grossman Jonas | Director | Other(J) | 146K | — | $0 |
| Apr 22, 2022 | Grossman Jonas | Director | Other(J) | 209K | — | $0 |
| Apr 22, 2022 | Grossman Jonas | Director | Other(J) | 1.6M | — | $0 |
| Apr 22, 2022 | Amusa Gbolahan | Director | Other(J) | 160K | — | $0 |
| Apr 22, 2022 | Amusa Gbolahan | Director | Other(J) | 79K | — | $0 |
| Mar 28, 2022 | Driscoll Frederick W | Chief Financial Officer | Grant(A) | 155K | — | $0 |
| Feb 1, 2022 | Grossman Jonas | Director | Other(J) | 40K | — | $0 |
| Feb 1, 2022 | Amusa Gbolahan | Director | Other(J) | 40K | — | $0 |
| Jan 24, 2022 | Killeen Matthew | Chief Scientific Officer | Grant(A) | 5K | — | $0 |
| Jan 24, 2022 | Killeen Matthew | Chief Scientific Officer | Grant(A) | 11K | — | $0 |
| Jan 24, 2022 | Cook Magdalene | Chief Executive Officer, Director | Grant(A) | 71K | — | $0 |
| Jan 24, 2022 | Cook Magdalene | Chief Executive Officer, Director | Grant(A) | 142K | — | $0 |
| Jan 24, 2022 | Semigran Marc | Chief Medical Officer | Grant(A) | 17K | — | $0 |
| Jan 24, 2022 | Semigran Marc | Chief Medical Officer | Grant(A) | 35K | — | $0 |
| Jan 24, 2022 | Dicicco Wendy F | Interim CFO | Grant(A) | 19K | — | $0 |
| Jan 24, 2022 | Dicicco Wendy F | Interim CFO | Grant(A) | 38K | — | $0 |
| Jan 18, 2022 | RTW Investments, LP | 10% Owner | Buy(P) | 44K | $8.00 | $356K |
| Jan 14, 2022 | Wong Roderick | 10% Owner | Buy(P) | 145K | $8.00 | $1.2M |
| Jan 14, 2022 | Wong Roderick | 10% Owner | Buy(P) | 6K | $8.00 | $46K |
| Jan 13, 2022 | Wong Roderick | 10% Owner | Buy(P) | 286 | $7.75 | $2K |
| Jan 12, 2022 | Wong Roderick | 10% Owner | Buy(P) | 2K | $7.67 | $15K |
| Jan 6, 2022 | RTW Investments, LP | 10% Owner | Buy(P) | 51K | $8.00 | $410K |
| Jan 5, 2022 | RTW Investments, LP | 10% Owner | Buy(P) | 100K | $8.00 | $802K |
| Jan 4, 2022 | RTW Investments, LP | 10% Owner | Buy(P) | 4 | $8.00 | $31 |
| Jan 3, 2022 | RTW Investments, LP | 10% Owner | Buy(P) | 441 | $7.95 | $4K |
| Dec 30, 2021 | RTW Investments, LP | 10% Owner | Buy(P) | 4K | $8.00 | $30K |
| Dec 29, 2021 | RTW Investments, LP | 10% Owner | Buy(P) | 479 | $8.00 | $4K |
| Dec 27, 2021 | Wong Roderick | 10% Owner | Buy(P) | 5K | $7.99 | $39K |
| Dec 23, 2021 | Wong Roderick | 10% Owner | Buy(P) | 62K | $7.97 | $491K |
| Dec 22, 2021 | Wong Roderick | 10% Owner | Buy(P) | 4K | $7.95 | $28K |
| Dec 21, 2021 | Wong Roderick | 10% Owner | Buy(P) | 2K | $7.99 | $15K |
| Dec 21, 2021 | Wong Roderick | 10% Owner | Buy(P) | 4K | $8.00 | $29K |
| Dec 20, 2021 | Semigran Marc | Chief Medical Officer | Grant(A) | 89K | — | $0 |
| Dec 20, 2021 | Wong Roderick | 10% Owner | Buy(P) | 130K | $7.96 | $1.0M |
| Dec 20, 2021 | Wong Roderick | 10% Owner | Buy(P) | 800 | $7.73 | $6K |
| Nov 17, 2021 | RTW Master Fund, LTD. | 10% Owner | Buy(P) | 21K | $9.00 | $190K |
| Nov 16, 2021 | RTW Master Fund, LTD. | 10% Owner | Buy(P) | 42K | $9.00 | $382K |
| Nov 15, 2021 | RTW Master Fund, LTD. | 10% Owner | Buy(P) | 600 | $9.05 | $5K |
| Nov 15, 2021 | RTW Master Fund, LTD. | 10% Owner | Buy(P) | 4K | $9.00 | $33K |
| Nov 12, 2021 | RTW Master Fund, LTD. | 10% Owner | Buy(P) | 631 | $8.50 | $5K |
| Nov 11, 2021 | RTW Master Fund, LTD. | 10% Owner | Buy(P) | 319 | $8.44 | $3K |
| Nov 9, 2021 | RTW Master Fund, LTD. | 10% Owner | Buy(P) | 9K | $8.25 | $74K |
| Nov 8, 2021 | Wong Roderick | 10% Owner | Buy(P) | 100K | $8.25 | $825K |
| Nov 5, 2021 | Wong Roderick | 10% Owner | Buy(P) | 13K | $8.38 | $110K |
| Nov 5, 2021 | Wong Roderick | 10% Owner | Buy(P) | 1K | $8.34 | $9K |
| Nov 4, 2021 | Wong Roderick | 10% Owner | Buy(P) | 58K | $8.03 | $465K |
| Sep 3, 2021 | Needham Thomas E. Jr. | Director | Grant(A) | 24K | — | $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 → 2026-07-13. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).