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 |
|---|---|---|---|---|---|---|
| Jul 6, 2026 | Michaelson Jennifer | Chief Scientific Officer | Option exercise(M) | 4K | — | $0 |
| Jul 6, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 8K | $17.82 | $143K |
| Jul 6, 2026 | Michaelson Jennifer | Chief Scientific Officer | Option exercise(M) | 4K | $4.30 | $17K |
| Jun 30, 2026 | Fenton Mary Kay | Chief Financial Officer | Grant(A) | 2K | $8.60 | $13K |
| Jun 30, 2026 | Sumer Jacquelyn L | Chief Legal Officer | Grant(A) | 2K | $8.60 | $21K |
| Jun 16, 2026 | Rosenberg Anthony | Director | Grant(A) | 25K | — | $0 |
| Jun 16, 2026 | Meek David D. | Director | Grant(A) | 25K | — | $0 |
| Jun 16, 2026 | Webster Stephen W | Director | Grant(A) | 25K | — | $0 |
| Jun 16, 2026 | Allen Andrew R | Director | Grant(A) | 22K | — | $0 |
| Jun 16, 2026 | Thistle Mary | Director | Grant(A) | 25K | — | $0 |
| Jun 16, 2026 | Doyle Mittie | Director | Grant(A) | 22K | — | $0 |
| May 5, 2026 | Michaelson Jennifer | Chief Scientific Officer | Option exercise(M) | 4K | — | $0 |
| May 5, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 200 | $15.58 | $3K |
| May 5, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 8K | $14.60 | $114K |
| May 5, 2026 | Michaelson Jennifer | Chief Scientific Officer | Option exercise(M) | 4K | $4.30 | $17K |
| Mar 5, 2026 | Michaelson Jennifer | Chief Scientific Officer | Option exercise(M) | 4K | $4.30 | $17K |
| Mar 5, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 8K | $15.68 | $125K |
| Mar 5, 2026 | Michaelson Jennifer | Chief Scientific Officer | Option exercise(M) | 4K | — | $0 |
| Feb 25, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 2K | $14.14 | $25K |
| Feb 24, 2026 | Sumer Jacquelyn L | Chief Legal Officer | Sell(S) | 4K | $14.47 | $52K |
| Feb 24, 2026 | Jones Jeffrey Alan | Chief Medical Officer | Sell(S) | 5K | $14.47 | $66K |
| Feb 24, 2026 | Ahmed Nadim | President and CEO, Director | Sell(S) | 14K | $14.47 | $196K |
| Feb 24, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 4K | $14.47 | $52K |
| Feb 23, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 2K | $13.99 | $25K |
| Feb 20, 2026 | Ahmed Nadim | President and CEO, Director | Sell(S) | 16K | $13.62 | $223K |
| Feb 20, 2026 | Sumer Jacquelyn L | Chief Legal Officer | Sell(S) | 4K | $13.62 | $51K |
| Feb 20, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 8K | $14.30 | $114K |
| Feb 20, 2026 | Michaelson Jennifer | Chief Scientific Officer | Option exercise(M) | 8K | $4.30 | $34K |
| Feb 20, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 4K | $13.62 | $51K |
| Feb 20, 2026 | Michaelson Jennifer | Chief Scientific Officer | Option exercise(M) | 8K | — | $0 |
| Feb 20, 2026 | Jones Jeffrey Alan | Chief Medical Officer | Sell(S) | 5K | $13.62 | $68K |
| Feb 20, 2026 | Fenton Mary Kay | Chief Financial Officer | Sell(S) | 4K | $13.62 | $60K |
| Feb 18, 2026 | Michaelson Jennifer | Chief Scientific Officer | Grant(A) | 58K | — | $0 |
| Feb 18, 2026 | Michaelson Jennifer | Chief Scientific Officer | Grant(A) | 115K | — | $0 |
| Feb 18, 2026 | Fenton Mary Kay | Chief Financial Officer | Grant(A) | 69K | — | $0 |
| Feb 18, 2026 | Fenton Mary Kay | Chief Financial Officer | Grant(A) | 138K | — | $0 |
| Feb 18, 2026 | Savill Corrine | Chief Business Officer | Grant(A) | 175K | — | $0 |
| Feb 18, 2026 | Ahmed Nadim | President and CEO, Director | Grant(A) | 828K | — | $0 |
| Feb 18, 2026 | Jones Jeffrey Alan | Chief Medical Officer | Grant(A) | 300K | — | $0 |
| Feb 18, 2026 | Sumer Jacquelyn L | Chief Legal Officer | Grant(A) | 230K | — | $0 |
| Feb 12, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 416 | $12.03 | $5K |
| Jan 22, 2026 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 4K | $12.30 | $49K |
| Dec 31, 2025 | Fenton Mary Kay | Chief Financial Officer | Grant(A) | 27 | $6.49 | $175 |
| Dec 23, 2025 | Ahmed Nadim | President and CEO, Director | Sell(S) | 10K | $10.01 | $99K |
| Dec 19, 2025 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 1K | $10.01 | $13K |
| Dec 18, 2025 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 3K | $9.67 | $28K |
| Dec 18, 2025 | Jones Jeffrey Alan | Chief Medical Officer | Sell(S) | 5K | $9.67 | $45K |
| Dec 18, 2025 | Sumer Jacquelyn L | Chief Legal Officer | Sell(S) | 3K | $9.67 | $34K |
| Dec 15, 2025 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 995 | $11.90 | $12K |
| Dec 12, 2025 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 2K | $12.38 | $27K |
| Nov 24, 2025 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 4K | $12.30 | $49K |
| Oct 28, 2025 | Nichols Weston | 10% Owner | Buy(P) | 166K | $8.40 | $1.4M |
| Oct 17, 2025 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 32K | $7.84 | $253K |
| Oct 16, 2025 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 150K | $8.86 | $1.3M |
| Oct 15, 2025 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 52K | $7.94 | $409K |
| Oct 14, 2025 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 15K | $7.59 | $114K |
| Oct 10, 2025 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 277K | $7.36 | $2.0M |
| Oct 9, 2025 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 626K | $6.70 | $4.2M |
| Oct 8, 2025 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 556K | $6.46 | $3.6M |
| Aug 7, 2025 | Doyle Mittie | Director | Grant(A) | 79K | — | $0 |
| Aug 7, 2025 | Allen Andrew R | Director | Grant(A) | 79K | — | $0 |
| Jun 12, 2025 | Martin Anne-Marie | Director | Grant(A) | 39K | — | $0 |
| Jun 12, 2025 | Meek David D. | Director | Grant(A) | 39K | — | $0 |
| Jun 12, 2025 | Webster Stephen W | Director | Grant(A) | 39K | — | $0 |
| Jun 12, 2025 | Rosenberg Anthony | Director | Grant(A) | 39K | — | $0 |
| Jun 12, 2025 | Ryan David P. | Director | Grant(A) | 39K | — | $0 |
| Feb 25, 2025 | Sumer Jacquelyn L | Chief Legal Officer | Sell(S) | 4K | $8.53 | $32K |
| Feb 25, 2025 | Ahmed Nadim | President and CEO, Director | Sell(S) | 13K | $8.53 | $107K |
| Feb 25, 2025 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 4K | $8.53 | $32K |
| Feb 25, 2025 | Jones Jeffrey Alan | Chief Medical Officer | Sell(S) | 5K | $8.53 | $42K |
| Feb 19, 2025 | Fenton Mary Kay | Chief Financial Officer | Grant(A) | 60K | — | $0 |
| Feb 19, 2025 | Fenton Mary Kay | Chief Financial Officer | Grant(A) | 120K | — | $0 |
| Feb 19, 2025 | Jones Jeffrey Alan | Chief Medical Officer | Grant(A) | 65K | — | $0 |
| Feb 19, 2025 | Jones Jeffrey Alan | Chief Medical Officer | Grant(A) | 130K | — | $0 |
| Feb 19, 2025 | Ahmed Nadim | President and CEO, Director | Grant(A) | 180K | — | $0 |
| Feb 19, 2025 | Ahmed Nadim | President and CEO, Director | Grant(A) | 360K | — | $0 |
| Feb 19, 2025 | Sumer Jacquelyn L | Chief Legal Officer | Grant(A) | 50K | — | $0 |
| Feb 19, 2025 | Sumer Jacquelyn L | Chief Legal Officer | Grant(A) | 100K | — | $0 |
| Feb 19, 2025 | Savill Corrine | Chief Business Officer | Grant(A) | 38K | — | $0 |
| Feb 19, 2025 | Savill Corrine | Chief Business Officer | Grant(A) | 75K | — | $0 |
| Feb 19, 2025 | Michaelson Jennifer | Chief Scientific Officer | Grant(A) | 50K | — | $0 |
| Feb 19, 2025 | Michaelson Jennifer | Chief Scientific Officer | Grant(A) | 100K | — | $0 |
| Jan 6, 2025 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 4K | $12.51 | $50K |
| Dec 24, 2024 | Ahmed Nadim | President and CEO, Director | Sell(S) | 8K | $11.87 | $100K |
| Dec 18, 2024 | Sumer Jacquelyn L | Chief Legal Officer | Sell(S) | 3K | $11.41 | $40K |
| Dec 18, 2024 | Jones Jeffrey Alan | Chief Medical Officer | Sell(S) | 5K | $11.41 | $53K |
| Dec 18, 2024 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 5K | $11.41 | $54K |
| Dec 12, 2024 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 3K | $12.52 | $44K |
| Nov 5, 2024 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 8K | $15.64 | $125K |
| Sep 5, 2024 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 8K | $18.09 | $145K |
| Aug 8, 2024 | Thistle Mary | Director | Grant(A) | 26K | — | $0 |
| Jul 5, 2024 | Michaelson Jennifer | Chief Scientific Officer | Sell(S) | 8K | $16.33 | $131K |
| Jul 1, 2024 | Michaelson Jennifer | Chief Scientific Officer | Grant(A) | 2K | $9.00 | $21K |
| Jun 26, 2024 | Ryan David P. | Director | Grant(A) | 16K | — | $0 |
| Jun 26, 2024 | Martin Anne-Marie | Director | Grant(A) | 16K | — | $0 |
| Jun 26, 2024 | Rosenberg Anthony | Director | Grant(A) | 16K | — | $0 |
| Jun 26, 2024 | Webster Stephen W | Director | Grant(A) | 16K | — | $0 |
| Jun 10, 2024 | Ebeling Thomas | Director | Option exercise(M) | 18K | $13.00 | $240K |
| Jun 10, 2024 | Ebeling Thomas | Director | Option exercise(M) | 18K | — | $0 |
| May 23, 2024 | Ebeling Thomas | Director | Grant(A) | 84K | $4.30 | $362K |
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).