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 |
|---|---|---|---|---|---|---|
| Mar 12, 2024 | Casamento Charles J | Director | Tax withholding(F) | 992 | $0.69 | $684 |
| Mar 12, 2024 | Coelho John F | Director | Tax withholding(F) | 207 | $0.69 | $143 |
| Mar 12, 2024 | Hough David W. | Chief Medical Officer | Tax withholding(F) | 1K | $0.69 | $1K |
| Mar 12, 2024 | LaRochelle Karen | Director | Tax withholding(F) | 604 | $0.69 | $417 |
| Mar 12, 2024 | Rome Zachary | Director | Tax withholding(F) | 5K | $0.69 | $3K |
| Mar 12, 2024 | Sheldon Stephen | CFO and COO | Tax withholding(F) | 3K | $0.69 | $2K |
| Mar 12, 2024 | Weisman Howard J. | Chief Executive Officer, Director | Tax withholding(F) | 3K | $0.69 | $2K |
| Feb 21, 2024 | Sheldon Stephen | CFO and COO | Tax withholding(F) | 243 | $0.66 | $160 |
| Feb 21, 2024 | Hough David W. | Chief Medical Officer | Tax withholding(F) | 291 | $0.66 | $192 |
| Jan 29, 2024 | Weisman Howard J. | Chief Executive Officer, Director | Sell(S) | 372 | $0.47 | $175 |
| Jan 29, 2024 | Casamento Charles J | Director | Tax withholding(F) | 97 | $0.76 | $74 |
| Jan 29, 2024 | Coelho John F | Director | Sell(S) | 27 | $0.48 | $13 |
| Jan 29, 2024 | LaRochelle Karen | Director | Sell(S) | 78 | $0.48 | $37 |
| Jan 29, 2024 | Rome Zachary | Director | Sell(S) | 811 | $0.48 | $389 |
| Nov 27, 2023 | Rome Zachary | Director | Sell(S) | 359 | $1.03 | $370 |
| Nov 27, 2023 | LaRochelle Karen | Director | Sell(S) | 35 | $1.03 | $36 |
| Nov 27, 2023 | Derby Michael | 10% Owner | Sell(S) | 185 | $1.03 | $191 |
| Nov 27, 2023 | Weisman Howard J. | Chairman and CEO, Director | Sell(S) | 162 | $1.03 | $167 |
| Nov 27, 2023 | Coelho John F | Director | Sell(S) | 12 | $1.03 | $12 |
| Nov 20, 2023 | Sheldon Stephen | CFO and COO | Tax withholding(F) | 971 | $1.75 | $2K |
| Oct 27, 2023 | Weisman Howard J. | Chairman and CEO, Director | Sell(S) | 8K | $0.19 | $2K |
| Oct 27, 2023 | LaRochelle Karen | Director | Sell(S) | 2K | $0.19 | $319 |
| Oct 27, 2023 | Coelho John F | Director | Sell(S) | 570 | $0.19 | $108 |
| Oct 27, 2023 | Derby Michael | 10% Owner | Sell(S) | 9K | $0.19 | $2K |
| Oct 27, 2023 | Rome Zachary | Director | Sell(S) | 16K | $0.18 | $3K |
| Oct 23, 2023 | Hough David W. | Chief Medical Officer | Grant(A) | 100K | — | $0 |
| Oct 2, 2023 | Casamento Charles J | Director | Tax withholding(F) | 7K | $0.29 | $2K |
| Aug 30, 2023 | Rome Zachary | Director | Sell(S) | 5K | $0.47 | $2K |
| Aug 30, 2023 | Weisman Howard J. | Chairman and CEO, Director | Sell(S) | 23K | $0.45 | $10K |
| Aug 29, 2023 | Derby Michael | 10% Owner | Sell(S) | 7K | $0.48 | $3K |
| Aug 29, 2023 | Rome Zachary | Director | Sell(S) | 9K | $0.48 | $4K |
| Aug 29, 2023 | LaRochelle Karen | Director | Sell(S) | 456 | $0.48 | $219 |
| Aug 29, 2023 | Weisman Howard J. | Chairman and CEO, Director | Sell(S) | 10K | $0.48 | $5K |
| Aug 29, 2023 | Coelho John F | Director | Sell(S) | 23 | $0.49 | $11 |
| Aug 28, 2023 | Derby Michael | 10% Owner | Sell(S) | 7K | $0.49 | $3K |
| Aug 28, 2023 | Rome Zachary | Director | Sell(S) | 12K | $0.49 | $6K |
| Aug 28, 2023 | LaRochelle Karen | Director | Sell(S) | 2K | $0.50 | $1K |
| Aug 28, 2023 | Weisman Howard J. | Chairman and CEO, Director | Sell(S) | 12K | $0.49 | $6K |
| Aug 28, 2023 | Coelho John F | Director | Sell(S) | 774 | $0.52 | $402 |
| Aug 22, 2023 | Rome Zachary | Director | Sell(S) | 30K | $0.54 | $16K |
| Aug 21, 2023 | Rome Zachary | Director | Sell(S) | 20K | $0.58 | $12K |
| Jul 26, 2023 | Rome Zachary | Chief Operating Officer, Director | Tax withholding(F) | 10K | $0.72 | $7K |
| Jul 26, 2023 | LaRochelle Karen | Director | Tax withholding(F) | 1K | $0.72 | $823 |
| Jul 26, 2023 | Derby Michael | Executive Chairman, Director | Tax withholding(F) | 6K | $0.72 | $5K |
| Jul 26, 2023 | Coelho John F | Director | Tax withholding(F) | 389 | $0.72 | $280 |
| Jul 26, 2023 | Weisman Howard J. | Chief Executive Officer, Director | Tax withholding(F) | 10K | $0.72 | $7K |
| Apr 26, 2023 | Coelho John F | Director | Tax withholding(F) | 389 | $1.61 | $626 |
| Apr 26, 2023 | Weisman Howard J. | Chief Executive Officer, Director | Tax withholding(F) | 10K | $1.61 | $16K |
| Apr 26, 2023 | Derby Michael | Executive Chairman, Director, 10% Owner | Tax withholding(F) | 6K | $1.61 | $10K |
| Apr 26, 2023 | LaRochelle Karen | Director | Tax withholding(F) | 1K | $1.61 | $2K |
| Apr 26, 2023 | Rome Zachary | Chief Operating Officer, Director | Tax withholding(F) | 10K | $1.61 | $15K |
| Apr 13, 2023 | Casamento Charles J | Director | Grant(A) | 14K | — | $0 |
| Apr 13, 2023 | Coelho John F | Director | Grant(A) | 14K | — | $0 |
| Apr 13, 2023 | Derby Michael | Executive Chairman, Director, 10% Owner | Grant(A) | 150K | — | $0 |
| Apr 13, 2023 | LaRochelle Karen | Director | Grant(A) | 14K | — | $0 |
| Apr 13, 2023 | Rome Zachary | Chief Operating Officer, Director | Grant(A) | 100K | — | $0 |
| Apr 13, 2023 | Sheldon Stephen | Chief Financial Officer | Grant(A) | 100K | — | $0 |
| Apr 13, 2023 | Weisman Howard J. | Chief Executive Officer, Director | Grant(A) | 180K | — | $0 |
| Mar 9, 2023 | Coelho John F | Director | Sell(S) | 130 | $1.48 | $192 |
| Mar 9, 2023 | LaRochelle Karen | Director | Sell(S) | 335 | $1.48 | $496 |
| Mar 9, 2023 | Derby Michael | Executive Chairman, Director, 10% Owner | Sell(S) | 2K | $1.43 | $3K |
| Mar 9, 2023 | Rome Zachary | Chief Operating Officer, Director | Sell(S) | 3K | $1.44 | $5K |
| Mar 9, 2023 | Weisman Howard J. | Chief Executive Officer, Director | Sell(S) | 3K | $1.44 | $5K |
| Mar 8, 2023 | Rome Zachary | Chief Operating Officer, Director | Sell(S) | 30K | $1.47 | $44K |
| Mar 8, 2023 | Weisman Howard J. | Chief Executive Officer, Director | Sell(S) | 32K | $1.46 | $47K |
| Mar 7, 2023 | Derby Michael | Executive Chairman, Director, 10% Owner | Sell(S) | 15K | $1.55 | $23K |
| Mar 7, 2023 | Rome Zachary | Chief Operating Officer, Director | Sell(S) | 23K | $1.53 | $36K |
| Mar 7, 2023 | Weisman Howard J. | Chief Executive Officer, Director | Sell(S) | 24K | $1.53 | $36K |
| Mar 6, 2023 | Derby Michael | Executive Chairman, Director, 10% Owner | Sell(S) | 14K | $1.72 | $24K |
| Mar 6, 2023 | Rome Zachary | Chief Operating Officer, Director | Sell(S) | 14K | $1.72 | $23K |
| Mar 6, 2023 | Weisman Howard J. | Chief Executive Officer, Director | Sell(S) | 14K | $1.72 | $23K |
| Mar 3, 2023 | Derby Michael | Executive Chairman, Director, 10% Owner | Sell(S) | 19K | $1.90 | $36K |
| Mar 3, 2023 | Rome Zachary | Chief Operating Officer, Director | Sell(S) | 13K | $1.89 | $25K |
| Mar 3, 2023 | Weisman Howard J. | Chief Executive Officer, Director | Sell(S) | 15K | $1.90 | $29K |
| Mar 3, 2023 | LaRochelle Karen | Director | Sell(S) | 1K | $1.90 | $2K |
| Mar 2, 2023 | Derby Michael | Executive Chairman, Director, 10% Owner | Sell(S) | 10K | $1.94 | $20K |
| Mar 2, 2023 | Rome Zachary | Chief Operating Officer, Director | Sell(S) | 13K | $1.94 | $25K |
| Mar 2, 2023 | Weisman Howard J. | Chief Executive Officer, Director | Sell(S) | 12K | $1.94 | $23K |
| Mar 2, 2023 | LaRochelle Karen | Director | Sell(S) | 8K | $1.94 | $15K |
| Mar 2, 2023 | Coelho John F | Director | Sell(S) | 3K | $1.93 | $6K |
| Nov 19, 2022 | Sheldon Stephen | Chief Financial Officer | Grant(A) | 135K | — | $0 |
| Oct 1, 2022 | Casamento Charles J | Director | Grant(A) | 52K | — | $0 |
| Aug 30, 2022 | Derby Michael | Executive Chairman, Director, 10% Owner | Buy(P) | 95K | $5.25 | $499K |
| Aug 30, 2022 | TardiMed Sciences LLC | 10% Owner | Buy(P) | 95K | $5.25 | $499K |
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).