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 17, 2026 | Porter Derrell | Director | Option exercise(M) | 13K | $1.07 | $14K |
| Jun 17, 2026 | Porter Derrell | Director | Sell(S) | 13K | $2.33 | $30K |
| Jun 17, 2026 | Porter Derrell | Director | Option exercise(M) | 13K | — | $0 |
| Jun 16, 2026 | Porter Derrell | Director | Sell(S) | 13K | $2.33 | $30K |
| Jun 15, 2026 | Porter Derrell | Director | Option exercise(M) | 6K | $1.07 | $7K |
| Jun 15, 2026 | Porter Derrell | Director | Sell(S) | 6K | $2.35 | $15K |
| Jun 15, 2026 | Porter Derrell | Director | Option exercise(M) | 6K | — | $0 |
| Jun 9, 2026 | Fountain Nathan B | Director | Sell(S) | 6K | $2.23 | $14K |
| Jun 3, 2026 | Golumbeski George | Director | Grant(A) | 36K | — | $0 |
| Jun 3, 2026 | Golumbeski George | Director | Grant(A) | 53K | — | $0 |
| Jun 3, 2026 | Stoppel Laura | Director | Grant(A) | 36K | — | $0 |
| Jun 3, 2026 | Stoppel Laura | Director | Grant(A) | 53K | — | $0 |
| Jun 3, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Grant(A) | 36K | — | $0 |
| Jun 3, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Grant(A) | 53K | — | $0 |
| Jun 3, 2026 | Ives Jeffrey L. | Director | Grant(A) | 36K | — | $0 |
| Jun 3, 2026 | Ives Jeffrey L. | Director | Grant(A) | 53K | — | $0 |
| Jun 3, 2026 | Porter Derrell | Director | Grant(A) | 36K | — | $0 |
| Jun 3, 2026 | Porter Derrell | Director | Grant(A) | 53K | — | $0 |
| Jun 3, 2026 | Stalfort John A III | Director | Grant(A) | 36K | — | $0 |
| Jun 3, 2026 | Stalfort John A III | Director | Grant(A) | 53K | — | $0 |
| Jun 3, 2026 | Drapkin Kimberlee C | Director | Grant(A) | 36K | — | $0 |
| Jun 3, 2026 | Drapkin Kimberlee C | Director | Grant(A) | 53K | — | $0 |
| Jun 3, 2026 | Fountain Nathan B | Director | Grant(A) | 36K | — | $0 |
| Jun 3, 2026 | Fountain Nathan B | Director | Grant(A) | 53K | — | $0 |
| Mar 16, 2026 | Shah Rajeev M. | Director, 10% Owner | Grant(A) | 6.1M | $3.30 | $20.0M |
| Mar 6, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Option exercise(M) | 2K | $1.85 | $4K |
| Mar 6, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 2K | $3.26 | $7K |
| Mar 6, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Option exercise(M) | 2K | — | $0 |
| Feb 27, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Option exercise(M) | 9K | $1.85 | $17K |
| Feb 27, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 9K | $3.01 | $28K |
| Feb 27, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Option exercise(M) | 9K | — | $0 |
| Jan 28, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Option exercise(M) | 3K | $1.85 | $5K |
| Jan 28, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 3K | $3.00 | $8K |
| Jan 28, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Option exercise(M) | 3K | — | $0 |
| Jan 26, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 15K | $3.00 | $45K |
| Jan 26, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Option exercise(M) | 15K | $1.85 | $28K |
| Jan 26, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Option exercise(M) | 15K | — | $0 |
| Jan 23, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 6K | $1.90 | $11K |
| Jan 22, 2026 | Barton Russell | Chief Operating Officer | Sell(S) | 462 | $1.84 | $850 |
| Jan 22, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Sell(S) | 3K | $1.88 | $5K |
| Jan 22, 2026 | Zuga Matt | CFO & Chief Business Officer | Sell(S) | 2K | $1.86 | $3K |
| Jan 22, 2026 | Siemers Eric | Chief Medical Officer | Sell(S) | 895 | $1.82 | $2K |
| Jan 22, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 1K | $1.84 | $2K |
| Jan 21, 2026 | Barton Russell | Chief Operating Officer | Sell(S) | 2K | $1.81 | $4K |
| Jan 21, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Sell(S) | 9K | $1.81 | $17K |
| Jan 21, 2026 | Zuga Matt | CFO & Chief Business Officer | Sell(S) | 2K | $1.81 | $4K |
| Jan 21, 2026 | Siemers Eric | Chief Medical Officer | Sell(S) | 2K | $1.80 | $4K |
| Jan 21, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 2K | $1.81 | $4K |
| Jan 20, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Grant(A) | 300K | — | $0 |
| Jan 20, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Grant(A) | 450K | — | $0 |
| Jan 16, 2026 | Doherty James J. | President and CDO | Grant(A) | 167K | — | $0 |
| Jan 16, 2026 | Doherty James J. | President and CDO | Grant(A) | 250K | — | $0 |
| Jan 16, 2026 | Schacterle Amy | Chief Regulatory Officer | Grant(A) | 85K | — | $0 |
| Jan 16, 2026 | Schacterle Amy | Chief Regulatory Officer | Grant(A) | 127K | — | $0 |
| Jan 16, 2026 | Barton Russell | Chief Operating Officer | Grant(A) | 85K | — | $0 |
| Jan 16, 2026 | Barton Russell | Chief Operating Officer | Grant(A) | 127K | — | $0 |
| Jan 16, 2026 | Siemers Eric | Chief Medical Officer | Grant(A) | 99K | — | $0 |
| Jan 16, 2026 | Siemers Eric | Chief Medical Officer | Grant(A) | 149K | — | $0 |
| Jan 16, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Grant(A) | 99K | — | $0 |
| Jan 16, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Grant(A) | 149K | — | $0 |
| Jan 16, 2026 | Zuga Matt | CFO & Chief Business Officer | Grant(A) | 99K | — | $0 |
| Jan 16, 2026 | Zuga Matt | CFO & Chief Business Officer | Grant(A) | 149K | — | $0 |
| Jan 12, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Sell(S) | 5K | $1.73 | $9K |
| Jan 12, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 9K | $1.71 | $15K |
| Jan 9, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Sell(S) | 13K | $1.76 | $23K |
| Jan 9, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 5K | $1.76 | $9K |
| Jan 8, 2026 | Doherty James J. | President and CDO | Sell(S) | 6K | $1.82 | $12K |
| Jan 8, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Sell(S) | 8K | $1.82 | $15K |
| Jan 8, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 30K | $1.82 | $55K |
| Jan 8, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 7K | $1.82 | $12K |
| Jan 8, 2026 | Barton Russell | Chief Operating Officer | Sell(S) | 4K | $1.86 | $7K |
| Jan 8, 2026 | Zuga Matt | CFO & Chief Business Officer | Sell(S) | 7K | $1.82 | $13K |
| Jan 7, 2026 | Barton Russell | Chief Operating Officer | Sell(S) | 2K | $1.99 | $3K |
| Jan 7, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 10K | $1.99 | $20K |
| Jan 7, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 2K | $1.99 | $3K |
| Jan 7, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Sell(S) | 38K | $1.99 | $75K |
| Jan 7, 2026 | Zuga Matt | CFO & Chief Business Officer | Sell(S) | 4K | $2.00 | $8K |
| Jan 7, 2026 | Zuga Matt | CFO & Chief Business Officer | Sell(S) | 2K | $1.99 | $3K |
| Jan 7, 2026 | Schacterle Amy | Chief Regulatory Officer | Sell(S) | 1K | $1.98 | $2K |
| Jan 7, 2026 | Doherty James J. | President and CDO | Sell(S) | 2K | $1.99 | $3K |
| Jan 6, 2026 | Barton Russell | Chief Operating Officer | Sell(S) | 4K | $1.97 | $7K |
| Jan 6, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 7K | $1.97 | $14K |
| Jan 6, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 4K | $1.97 | $7K |
| Jan 6, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Sell(S) | 5K | $1.97 | $10K |
| Jan 6, 2026 | Siemers Eric | Chief Medical Officer | Sell(S) | 7K | $1.97 | $13K |
| Jan 6, 2026 | Zuga Matt | CFO & Chief Business Officer | Sell(S) | 5K | $1.97 | $10K |
| Jan 5, 2026 | Barton Russell | Chief Operating Officer | Sell(S) | 4K | $1.96 | $8K |
| Jan 5, 2026 | Meisner Derek M | Chief Legal Officer & Corp Sec | Sell(S) | 4K | $1.96 | $8K |
| Jan 5, 2026 | OConnell Daniel Joseph | Chief Executive Officer, Director | Sell(S) | 5K | $1.97 | $9K |
| Jan 5, 2026 | Siemers Eric | Chief Medical Officer | Sell(S) | 4K | $1.96 | $8K |
| Jan 5, 2026 | Zuga Matt | CFO & Chief Business Officer | Sell(S) | 4K | $1.96 | $8K |
| Nov 6, 2025 | Golumbeski George | Director | Grant(A) | 50K | — | $0 |
| Jun 4, 2025 | RA Capital Healthcare Fund LP | Director, 10% Owner | Grant(A) | 13K | — | $0 |
| Jun 4, 2025 | RA Capital Healthcare Fund LP | Director, 10% Owner | Grant(A) | 20K | — | $0 |
| Jun 4, 2025 | Porter Derrell | Director | Grant(A) | 13K | — | $0 |
| Jun 4, 2025 | Porter Derrell | Director | Grant(A) | 20K | — | $0 |
| Jun 4, 2025 | Ives Jeffrey L. | Director | Grant(A) | 13K | — | $0 |
| Jun 4, 2025 | Ives Jeffrey L. | Director | Grant(A) | 20K | — | $0 |
| Jun 4, 2025 | Fountain Nathan B | Director | Grant(A) | 13K | — | $0 |
| Jun 4, 2025 | Fountain Nathan B | Director | Grant(A) | 20K | — | $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 2021-01-04 → 2026-07-22. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).