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 26, 2025 | Sullivan Mark | Chief Legal Officer | Sell(S) | 11K | $13.15 | $148K |
| Dec 26, 2025 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 26K | $13.15 | $339K |
| Dec 26, 2025 | Karlin Daniel | Chief Medical Officer | Sell(S) | 6K | $13.15 | $74K |
| Sep 25, 2025 | Karlin Daniel | Chief Medical Officer | Sell(S) | 8K | $9.77 | $75K |
| Sep 25, 2025 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 26K | $9.77 | $252K |
| Sep 25, 2025 | Sullivan Mark | Chief Legal Officer | Sell(S) | 11K | $9.77 | $110K |
| Jun 25, 2025 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 26K | $6.80 | $180K |
| Jun 25, 2025 | Karlin Daniel | Chief Medical Officer | Sell(S) | 8K | $6.80 | $53K |
| Jun 25, 2025 | Sullivan Mark | Chief Legal Officer | Sell(S) | 11K | $6.80 | $78K |
| Jun 12, 2025 | Gryska David W | Director | Grant(A) | 75K | — | $0 |
| Jun 12, 2025 | Crystal Roger | Director | Grant(A) | 75K | — | $0 |
| Jun 12, 2025 | Bruhn Suzanne Louise | Director | Grant(A) | 75K | — | $0 |
| Jun 12, 2025 | Vallone Carol A | Director | Grant(A) | 75K | — | $0 |
| Jun 12, 2025 | Krebs Andreas | Director | Grant(A) | 75K | — | $0 |
| Jun 2, 2025 | Roberts Brandi | Chief Financial Officer | Grant(A) | 500K | — | $0 |
| Mar 25, 2025 | Liao Carrie | Chief Accounting Officer | Sell(S) | 2K | $6.74 | $16K |
| Mar 25, 2025 | Sullivan Mark | Chief Legal Officer | Sell(S) | 7K | $6.74 | $44K |
| Mar 25, 2025 | Karlin Daniel | Chief Medical Officer | Sell(S) | 7K | $6.74 | $46K |
| Mar 25, 2025 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 21K | $6.74 | $143K |
| Mar 17, 2025 | Wiley Matthew T. | Chief Commercial Officer | Grant(A) | 350K | — | $0 |
| Mar 12, 2025 | Liao Carrie | Chief Accounting Officer | Grant(A) | 50K | — | $0 |
| Mar 12, 2025 | Sullivan Mark | Chief Legal Officer | Grant(A) | 150K | — | $0 |
| Mar 12, 2025 | Karlin Daniel | Chief Medical Officer | Grant(A) | 115K | — | $0 |
| Mar 12, 2025 | Barrow Robert | Chief Executive Officer, Director | Grant(A) | 350K | — | $0 |
| Dec 26, 2024 | Sullivan Mark | Chief Legal Officer | Sell(S) | 5K | $7.43 | $34K |
| Dec 26, 2024 | Karlin Dan | Chief Medical Officer | Sell(S) | 7K | $7.43 | $49K |
| Dec 26, 2024 | Liao Carrie | Chief Accounting Officer | Sell(S) | 2K | $7.43 | $17K |
| Dec 26, 2024 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 19K | $7.43 | $142K |
| Dec 5, 2024 | Gryska David W | Director | Buy(P) | 3K | $7.17 | $18K |
| Sep 25, 2024 | Sullivan Mark | Chief Legal Officer | Sell(S) | 4K | $5.98 | $26K |
| Sep 25, 2024 | Karlin Dan | Chief Medical Officer | Sell(S) | 7K | $5.98 | $41K |
| Sep 25, 2024 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 20K | $5.98 | $118K |
| Sep 25, 2024 | Liao Carrie | Chief Accounting Officer | Sell(S) | 2K | $5.98 | $14K |
| Aug 23, 2024 | Gryska David W | Director | Buy(P) | 4K | $5.98 | $21K |
| Aug 21, 2024 | Halperin Wernli Miri | Executive President | Tax withholding(F) | 33K | $6.17 | $201K |
| Aug 21, 2024 | Halperin Wernli Miri | Executive President | Option exercise(M) | 50K | $3.70 | $185K |
| Aug 21, 2024 | Halperin Wernli Miri | Executive President | Option exercise(M) | 50K | — | $0 |
| Aug 20, 2024 | Barrow Robert | Chief Executive Officer, Director | Buy(P) | 500 | $6.12 | $3K |
| Aug 19, 2024 | Barrow Robert | Chief Executive Officer, Director | Buy(P) | 500 | $6.31 | $3K |
| Jun 25, 2024 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 16K | $7.22 | $113K |
| Jun 25, 2024 | Karlin Dan | Chief Medical Officer | Sell(S) | 7K | $7.22 | $50K |
| Jun 25, 2024 | Sullivan Mark | Chief Legal Officer | Sell(S) | 18K | $7.22 | $129K |
| Jun 10, 2024 | Gryska David W | Director | Grant(A) | 17K | — | $0 |
| Jun 10, 2024 | Krebs Andreas | Director | Grant(A) | 17K | — | $0 |
| Jun 10, 2024 | Bruhn Suzanne Louise | Director | Grant(A) | 17K | — | $0 |
| Jun 10, 2024 | Crystal Roger | Director | Grant(A) | 17K | — | $0 |
| Jun 10, 2024 | Vallone Carol A | Director | Grant(A) | 17K | — | $0 |
| Mar 25, 2024 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 17K | $9.50 | $157K |
| Mar 25, 2024 | Karlin Dan | Chief Medical Officer | Sell(S) | 7K | $9.50 | $62K |
| Mar 25, 2024 | Greenway Schond L. | Chief Financial Officer | Tax withholding(F) | 6K | $9.78 | $54K |
| Feb 27, 2024 | Karlin Dan | Chief Medical Officer | Grant(A) | 150K | — | $0 |
| Feb 27, 2024 | Sullivan Mark | Chief Legal Officer | Grant(A) | 125K | — | $0 |
| Feb 27, 2024 | Barrow Robert | Chief Executive Officer, Director | Grant(A) | 400K | — | $0 |
| Feb 27, 2024 | Liao Carrie | Chief Accounting Officer | Grant(A) | 100K | — | $0 |
| Feb 27, 2024 | Greenway Schond L. | Chief Financial Officer | Grant(A) | 150K | — | $0 |
| Feb 27, 2024 | Wernli Miri Halperin | Executive President | Grant(A) | 125K | — | $0 |
| Dec 26, 2023 | Greenway Schond L. | Chief Financial Officer | Sell(S) | 6K | $3.63 | $21K |
| Dec 26, 2023 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 13K | $3.63 | $48K |
| Dec 26, 2023 | Karlin Dan | Chief Medical Officer | Sell(S) | 7K | $3.63 | $25K |
| Sep 25, 2023 | Greenway Schond L. | Chief Financial Officer | Sell(S) | 4K | $3.58 | $14K |
| Sep 25, 2023 | Greenway Schond L. | Chief Financial Officer | Sell(S) | 2K | $3.57 | $7K |
| Sep 25, 2023 | Karlin Dan | Chief Medical Officer | Sell(S) | 4K | $3.57 | $13K |
| Sep 25, 2023 | Karlin Dan | Chief Medical Officer | Sell(S) | 3K | $3.58 | $12K |
| Sep 25, 2023 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 5K | $3.57 | $19K |
| Sep 25, 2023 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 8K | $3.58 | $29K |
| Aug 25, 2023 | Greenway Schond L. | Chief Financial Officer | Sell(S) | 20K | $3.80 | $76K |
| Jun 27, 2023 | Greenway Schond L. | Chief Financial Officer | Sell(S) | 8K | $3.19 | $25K |
| Jun 27, 2023 | Greenway Schond L. | Chief Financial Officer | Sell(S) | 4K | $3.21 | $13K |
| Jun 27, 2023 | Karlin Dan | Chief Medical Officer | Sell(S) | 4K | $3.19 | $12K |
| Jun 27, 2023 | Karlin Dan | Chief Medical Officer | Sell(S) | 3K | $3.21 | $10K |
| Jun 27, 2023 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 7K | $3.19 | $23K |
| Jun 27, 2023 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 8K | $3.21 | $27K |
| Jun 21, 2023 | Bruhn Suzanne Louise | Director | Grant(A) | 14K | — | $0 |
| Jun 21, 2023 | Bruhn Suzanne Louise | Director | Grant(A) | 19K | — | $0 |
| Jun 21, 2023 | Vallone Carol A | Director | Grant(A) | 14K | — | $0 |
| Jun 21, 2023 | Vallone Carol A | Director | Grant(A) | 19K | — | $0 |
| Jun 21, 2023 | Krebs Andreas | Director | Grant(A) | 14K | — | $0 |
| Jun 21, 2023 | Krebs Andreas | Director | Grant(A) | 19K | — | $0 |
| Jun 21, 2023 | Crystal Roger | Director | Grant(A) | 14K | — | $0 |
| Jun 21, 2023 | Crystal Roger | Director | Grant(A) | 19K | — | $0 |
| Jun 21, 2023 | Gryska David W | Director | Grant(A) | 14K | — | $0 |
| Jun 21, 2023 | Gryska David W | Director | Grant(A) | 38K | — | $0 |
| Jun 21, 2023 | Gryska David W | Director | Grant(A) | 13K | — | — |
| Apr 13, 2023 | Sullivan Mark | Chief Legal Officer | Grant(A) | 200K | — | $0 |
| Mar 14, 2023 | Liao Carrie | Chief Accounting Officer | Grant(A) | 75K | — | $0 |
| Mar 14, 2023 | Wernli Miri Halperin | Executive President, Director | Grant(A) | 100K | — | $0 |
| Mar 14, 2023 | Greenway Schond L. | Chief Financial Officer | Grant(A) | 175K | — | $0 |
| Mar 14, 2023 | Karlin Dan | Chief Medical Officer | Grant(A) | 125K | — | $0 |
| Mar 14, 2023 | Barrow Robert | Chief Executive Officer, Director | Grant(A) | 400K | — | $0 |
| Mar 1, 2023 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 8K | $3.51 | $29K |
| Mar 1, 2023 | Karlin Dan | Chief Medical Officer | Sell(S) | 4K | $3.51 | $13K |
| Dec 21, 2022 | Karlin Dan | Chief Medical Officer | Sell(S) | 1K | $2.69 | $3K |
| Dec 21, 2022 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 4K | $2.69 | $10K |
| Oct 27, 2022 | Karlin Dan | Chief Medical Officer | Sell(S) | 644 | $3.00 | $2K |
| Oct 25, 2022 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 1K | $2.81 | $3K |
| Oct 25, 2022 | Karlin Dan | Chief Medical Officer | Sell(S) | 541 | $2.81 | $2K |
| Oct 18, 2022 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 1K | $3.11 | $4K |
| Sep 27, 2022 | Karlin Dan | Chief Medical Officer | Sell(S) | 640 | $5.87 | $4K |
| Sep 26, 2022 | Barrow Robert | Chief Executive Officer, Director | Sell(S) | 1K | $5.51 | $7K |
| Sep 26, 2022 | Karlin Dan | Chief Medical Officer | Sell(S) | 565 | $5.51 | $3K |
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).