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 |
|---|---|---|---|---|---|---|
| May 22, 2026 | Watson W. Mark | Director | Buy(P) | 10K | $0.65 | $7K |
| May 19, 2026 | Grasman Jeroen Nicolaas | Chief Financial Officer | Tax withholding(F) | 31K | $0.61 | $19K |
| Apr 23, 2026 | Breitmeyer James B | Director | Grant(A) | 79K | — | $0 |
| Apr 23, 2026 | Breitmeyer James B | Director | Grant(A) | 157K | — | $0 |
| Mar 28, 2026 | Cummings James F. | Chief Medical Officer | Tax withholding(F) | 3K | $0.65 | $2K |
| Mar 28, 2026 | Tucker Sean | SVP, Chief Scientific Officer | Tax withholding(F) | 4K | $0.65 | $3K |
| Mar 24, 2026 | Tucker Sean | SVP, Chief Scientific Officer | Tax withholding(F) | 36K | $0.69 | $25K |
| Mar 24, 2026 | Lo Steven | President, Chief Exec Officer, Director | Tax withholding(F) | 126K | $0.69 | $87K |
| Mar 24, 2026 | Cummings James F. | Chief Medical Officer | Tax withholding(F) | 31K | $0.69 | $21K |
| Mar 24, 2026 | Berg Edward B | SVP, General Counsel | Tax withholding(F) | 36K | $0.69 | $25K |
| Mar 18, 2026 | Tucker Sean | SVP, Chief Scientific Officer | Tax withholding(F) | 8K | $0.63 | $5K |
| Mar 18, 2026 | Lo Steven | President, Chief Exec Officer, Director | Tax withholding(F) | 22K | $0.63 | $14K |
| Mar 18, 2026 | Cummings James F. | Chief Medical Officer | Tax withholding(F) | 7K | $0.63 | $4K |
| Mar 18, 2026 | Berg Edward B | SVP, General Counsel | Tax withholding(F) | 8K | $0.63 | $5K |
| Mar 16, 2026 | Berg Edward B | SVP, General Counsel | Grant(A) | 115K | — | $0 |
| Mar 16, 2026 | Berg Edward B | SVP, General Counsel | Grant(A) | 225K | — | $0 |
| Mar 16, 2026 | Cummings James F. | Chief Medical Officer | Grant(A) | 227K | — | $0 |
| Mar 16, 2026 | Cummings James F. | Chief Medical Officer | Grant(A) | 455K | — | $0 |
| Mar 16, 2026 | Grasman Jeroen Nicolaas | Chief Financial Officer | Grant(A) | 227K | — | $0 |
| Mar 16, 2026 | Grasman Jeroen Nicolaas | Chief Financial Officer | Grant(A) | 455K | — | $0 |
| Mar 16, 2026 | Tucker Sean | SVP, Chief Scientific Officer | Grant(A) | 200K | — | $0 |
| Mar 16, 2026 | Tucker Sean | SVP, Chief Scientific Officer | Grant(A) | 410K | — | $0 |
| Mar 16, 2026 | Lo Steven | President, Chief Exec Officer, Director | Grant(A) | 847K | — | $0 |
| Mar 16, 2026 | Lo Steven | President, Chief Exec Officer, Director | Grant(A) | 1.5M | — | $0 |
| Feb 2, 2026 | Tucker Sean | SVP, Chief Scientific Officer | Tax withholding(F) | 9K | $0.61 | $6K |
| Feb 2, 2026 | Berg Edward B | SVP, General Counsel | Tax withholding(F) | 9K | $0.61 | $6K |
| Feb 2, 2026 | Cummings James F. | Chief Medical Officer | Tax withholding(F) | 8K | $0.61 | $5K |
| Dec 4, 2025 | Lo Steven | President, Chief Exec Officer, Director | Tax withholding(F) | 54K | $0.37 | $20K |
| Dec 4, 2025 | Lo Steven | President, Chief Exec Officer, Director | Grant(A) | 151K | — | $0 |
| Nov 17, 2025 | Heron Elaine J | Director | Buy(P) | 23K | $0.39 | $9K |
| Nov 17, 2025 | Heron Elaine J | Director | Buy(P) | 17K | $0.41 | $7K |
| Nov 17, 2025 | Watson W. Mark | Director | Buy(P) | 15K | $0.41 | $6K |
| Nov 17, 2025 | Watson W. Mark | Director | Buy(P) | 5K | $0.41 | $2K |
| Aug 15, 2025 | Finney Kevin | Director | Buy(P) | 50K | $0.35 | $18K |
| Aug 15, 2025 | Finney Kevin | Director | Buy(P) | 50K | $0.37 | $19K |
| Jul 30, 2025 | Finney Kevin | Director | Buy(P) | 26K | $0.38 | $10K |
| Jul 29, 2025 | Watson W. Mark | Director | Buy(P) | 10K | $0.41 | $4K |
| Jul 28, 2025 | Finney Kevin | Director | Buy(P) | 20K | $0.40 | $8K |
| Jul 25, 2025 | Finney Kevin | Director | Buy(P) | 20K | $0.39 | $8K |
| Jul 17, 2025 | Finney Kevin | Director | Buy(P) | 794 | $0.38 | $302 |
| Jun 13, 2025 | Finney Michael J. | Director | Grant(A) | 16K | — | $0 |
| Jun 13, 2025 | Finney Michael J. | Director | Grant(A) | 95K | — | $0 |
| Jun 13, 2025 | Wheadon David E. | Director | Grant(A) | 16K | — | $0 |
| Jun 13, 2025 | Wheadon David E. | Director | Grant(A) | 95K | — | $0 |
| Jun 13, 2025 | Heron Elaine J | Director | Grant(A) | 16K | — | $0 |
| Jun 13, 2025 | Heron Elaine J | Director | Grant(A) | 95K | — | $0 |
| Jun 13, 2025 | Watson W. Mark | Director | Grant(A) | 16K | — | $0 |
| Jun 13, 2025 | Watson W. Mark | Director | Grant(A) | 95K | — | $0 |
| Jun 13, 2025 | Finney Kevin | Director | Grant(A) | 6K | — | $0 |
| Jun 13, 2025 | Finney Kevin | Director | Grant(A) | 36K | — | $0 |
| May 19, 2025 | Lo Steven | President, Chief Exec Officer, Director | Buy(P) | 100K | $0.49 | $49K |
| May 19, 2025 | Grasman Jeroen Nicolaas | Chief Financial Officer | Grant(A) | 350K | — | $0 |
| May 19, 2025 | Grasman Jeroen Nicolaas | Chief Financial Officer | Grant(A) | 1.0M | — | $0 |
| Mar 28, 2025 | Tucker Sean | SVP, Chief Scientific Officer | Tax withholding(F) | 4K | $0.42 | $2K |
| Mar 28, 2025 | Cummings James F. | Chief Medical Officer | Tax withholding(F) | 3K | $0.42 | $1K |
| Mar 24, 2025 | Berg Edward B | SVP, General Counsel | Grant(A) | 406K | — | $0 |
| Mar 24, 2025 | Berg Edward B | SVP, General Counsel | Grant(A) | 610K | — | $0 |
| Mar 24, 2025 | Berg Edward B | SVP, General Counsel | Grant(A) | 50K | — | $0 |
| Mar 24, 2025 | Cummings James F. | Chief Medical Officer | Grant(A) | 406K | — | $0 |
| Mar 24, 2025 | Cummings James F. | Chief Medical Officer | Grant(A) | 610K | — | $0 |
| Mar 24, 2025 | Cummings James F. | Chief Medical Officer | Grant(A) | 50K | — | $0 |
| Mar 24, 2025 | Lee Phillip E | Chief Financial Officer | Grant(A) | 406K | — | $0 |
| Mar 24, 2025 | Lee Phillip E | Chief Financial Officer | Grant(A) | 610K | — | $0 |
| Mar 24, 2025 | Tucker Sean | SVP, Chief Scientific Officer | Grant(A) | 406K | — | $0 |
| Mar 24, 2025 | Tucker Sean | SVP, Chief Scientific Officer | Grant(A) | 610K | — | $0 |
| Mar 24, 2025 | Lo Steven | President, Chief Exec Officer, Director | Grant(A) | 1.4M | — | $0 |
| Mar 24, 2025 | Lo Steven | President, Chief Exec Officer, Director | Grant(A) | 2.1M | — | $0 |
| Mar 18, 2025 | Lee Phillip E | Chief Financial Officer | Tax withholding(F) | 8K | $0.57 | $5K |
| Mar 18, 2025 | Tucker Sean | SVP, Chief Scientific Officer | Tax withholding(F) | 8K | $0.57 | $5K |
| Mar 18, 2025 | Lo Steven | President, Chief Exec Officer, Director | Tax withholding(F) | 22K | $0.57 | $13K |
| Mar 18, 2025 | Cummings James F. | Chief Medical Officer | Tax withholding(F) | 7K | $0.57 | $4K |
| Mar 18, 2025 | Berg Edward B | SVP, General Counsel | Tax withholding(F) | 8K | $0.57 | $5K |
| Feb 2, 2025 | Berg Edward B | SVP, General Counsel | Tax withholding(F) | 9K | $0.68 | $6K |
| Feb 2, 2025 | Cummings James F. | Chief Medical Officer | Tax withholding(F) | 8K | $0.68 | $5K |
| Feb 2, 2025 | Tucker Sean | SVP, Chief Scientific Officer | Tax withholding(F) | 9K | $0.68 | $6K |
| Jan 28, 2025 | Finney Kevin | Director | Grant(A) | 32K | — | $0 |
| Jan 28, 2025 | Finney Kevin | Director | Grant(A) | 191K | — | $0 |
| Dec 15, 2024 | Lee Phillip E | Chief Financial Officer | Tax withholding(F) | 6K | $0.59 | $4K |
| Jun 18, 2024 | Watson W. Mark | Director | Buy(P) | 20K | $0.68 | $14K |
| Jun 12, 2024 | Lee Phillip E | Chief Financial Officer | Tax withholding(F) | 2K | $0.76 | $2K |
| Jun 11, 2024 | Yedid Robert A. | Director | Grant(A) | 16K | — | $0 |
| Jun 11, 2024 | Yedid Robert A. | Director | Grant(A) | 95K | — | $0 |
| Jun 11, 2024 | Watson W. Mark | Director | Grant(A) | 16K | — | $0 |
| Jun 11, 2024 | Watson W. Mark | Director | Grant(A) | 95K | — | $0 |
| Jun 11, 2024 | Heron Elaine J | Director | Grant(A) | 16K | — | $0 |
| Jun 11, 2024 | Heron Elaine J | Director | Grant(A) | 95K | — | $0 |
| Jun 11, 2024 | Finney Michael J. | Director | Grant(A) | 16K | — | $0 |
| Jun 11, 2024 | Finney Michael J. | Director | Grant(A) | 95K | — | $0 |
| Jun 11, 2024 | Wheadon David E. | Director | Grant(A) | 16K | — | $0 |
| Jun 11, 2024 | Wheadon David E. | Director | Grant(A) | 95K | — | $0 |
| Mar 28, 2024 | Cummings James F. | Chief Medical Officer | Tax withholding(F) | 3K | $1.30 | $4K |
| Mar 28, 2024 | Tucker Sean | SVP, Chief Scientific Officer | Tax withholding(F) | 4K | $1.30 | $5K |
| Mar 18, 2024 | Lo Steven | President, Chief Exec Officer, Director | Grant(A) | 250K | — | $0 |
| Mar 18, 2024 | Lo Steven | President, Chief Exec Officer, Director | Grant(A) | 1.0M | — | $0 |
| Mar 18, 2024 | Berg Edward B | SVP, General Counsel | Grant(A) | 90K | — | $0 |
| Mar 18, 2024 | Berg Edward B | SVP, General Counsel | Grant(A) | 410K | — | $0 |
| Mar 18, 2024 | Cummings James F. | Chief Medical Officer | Grant(A) | 90K | — | $0 |
| Mar 18, 2024 | Cummings James F. | Chief Medical Officer | Grant(A) | 410K | — | $0 |
| Mar 18, 2024 | Lee Phillip E | Chief Financial Officer | Grant(A) | 90K | — | $0 |
| Mar 18, 2024 | Lee Phillip E | Chief Financial Officer | Grant(A) | 410K | — | $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).