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 29, 2023 | Huff Curtis W | 10% Owner | Buy(P) | 2.5M | $0.06 | $147K |
| Dec 29, 2023 | Huff Curtis W | 10% Owner | Buy(P) | 4.9M | — | — |
| Dec 29, 2023 | Cherington Charles | 10% Owner | Buy(P) | 20.7M | $567,900.00 | $11.7T |
| Dec 29, 2023 | Cherington Charles | 10% Owner | Buy(P) | 4K | — | $0 |
| Dec 29, 2023 | Iaf, LLC | Insider | Buy(P) | 0 | — | $0 |
| Dec 29, 2023 | Iaf, LLC | Insider | Buy(P) | 7.6M | $210,000.00 | $1.6T |
| Dec 29, 2023 | Denny George P III | Insider | Buy(P) | 0 | — | $0 |
| Dec 29, 2023 | Denny George P III | Insider | Buy(P) | 3.9M | $107,622.00 | $421.2B |
| Dec 29, 2023 | Konar Shameek | Insider | Buy(P) | 0 | — | $0 |
| Dec 29, 2023 | Konar Shameek | Insider | Buy(P) | 4.1M | $112,500.00 | $460.2B |
| Dec 29, 2023 | Soane David | 10% Owner | Buy(P) | 1.4M | $75,000.00 | $102.3B |
| Dec 29, 2023 | Soane David | 10% Owner | Buy(P) | 1.4M | $75,000.00 | $102.3B |
| Dec 29, 2023 | Soane David | 10% Owner | Buy(P) | 2.7M | — | $0 |
| Dec 29, 2023 | Soane David | 10% Owner | Buy(P) | 2.7M | — | $0 |
| Dec 27, 2023 | Cherington Charles | 10% Owner | Buy(P) | 0 | $500,000.00 | $0 |
| Nov 27, 2023 | Campbell Michael Gerard | EVP & CFO | Buy(P) | 10K | $0.07 | $700 |
| Nov 15, 2023 | Wexler William A. | Director | Other(J) | 3K | — | $0 |
| Nov 9, 2023 | Sherblom James | Director | Grant(A) | 104K | — | $0 |
| Nov 9, 2023 | Flowers Kirsten | Director | Grant(A) | 111K | — | $0 |
| Nov 9, 2023 | Banerjee Sirshendu Roopom | Director | Grant(A) | 122K | — | $0 |
| Nov 9, 2023 | Sullivan Edward Aloysius Jr. | Director | Grant(A) | 127K | — | $0 |
| Nov 9, 2023 | Wexler William A. | Director | Grant(A) | 75K | — | $0 |
| Nov 7, 2023 | Clarke Dorothy J | Director | Grant(A) | 14K | — | $0 |
| Oct 14, 2023 | McCourt Janice | Chief Business Officer | Grant(A) | 20K | — | $0 |
| Oct 14, 2023 | Muni Neal | EVP & COO | Grant(A) | 60K | — | $0 |
| Sep 27, 2023 | Hackman Jeffrey S. | See Remarks., Director | Grant(A) | 600K | — | $0 |
| Sep 27, 2023 | Mahoney Robert Patrick | Chief Scientific Officer | Grant(A) | 300K | — | $0 |
| Sep 27, 2023 | Campbell Michael Gerard | EVP & CFO | Grant(A) | 350K | — | $0 |
| Sep 11, 2023 | Cherington Charles | 10% Owner | Buy(P) | 2.1M | $0.51 | $1.0M |
| Sep 11, 2023 | Cherington Charles | 10% Owner | Buy(P) | 5.1M | — | $0 |
| Sep 11, 2023 | Soane David | 10% Owner | Buy(P) | 59K | $0.51 | $30K |
| Sep 11, 2023 | Soane David | 10% Owner | Buy(P) | 59K | $0.51 | $30K |
| Sep 11, 2023 | Soane David | 10% Owner | Buy(P) | 147K | — | $0 |
| Sep 11, 2023 | Soane David | 10% Owner | Buy(P) | 147K | — | $0 |
| Aug 31, 2023 | Flowers Kirsten | Director | Grant(A) | 67K | — | $0 |
| Aug 31, 2023 | Sullivan Edward Aloysius Jr. | Director | Grant(A) | 76K | — | $0 |
| Aug 31, 2023 | Banerjee Sirshendu Roopom | Director | Grant(A) | 76K | — | $0 |
| Aug 31, 2023 | Randle Stuart A | Director | Grant(A) | 96K | — | $0 |
| Aug 31, 2023 | Wexler William A. | Director | Grant(A) | 47K | — | $0 |
| Aug 31, 2023 | Sherblom James | Director | Grant(A) | 53K | — | $0 |
| Aug 14, 2023 | Mahoney Robert Patrick | Chief Scientific Officer | Buy(P) | 20K | $0.63 | $13K |
| Aug 11, 2023 | Wexler William A. | Director | Other(J) | 7K | — | $0 |
| Jul 31, 2023 | Cherington Charles | 10% Owner | Buy(P) | 880K | $0.51 | $449K |
| Jul 31, 2023 | Cherington Charles | 10% Owner | Buy(P) | 2.2M | — | $0 |
| Jul 31, 2023 | Soane David | 10% Owner | Buy(P) | 137K | $0.51 | $70K |
| Jul 31, 2023 | Soane David | 10% Owner | Buy(P) | 137K | $0.51 | $70K |
| Jul 31, 2023 | Soane David | 10% Owner | Buy(P) | 342K | — | $0 |
| Jul 31, 2023 | Soane David | 10% Owner | Buy(P) | 342K | — | $0 |
| May 12, 2023 | Sherblom James | Director | Grant(A) | 31K | — | $0 |
| May 12, 2023 | Banerjee Sirshendu Roopom | Director | Grant(A) | 45K | — | $0 |
| May 12, 2023 | Sullivan Edward Aloysius Jr. | Director | Grant(A) | 45K | — | $0 |
| May 12, 2023 | Flowers Kirsten | Director | Grant(A) | 39K | — | $0 |
| May 12, 2023 | Randle Stuart A | Director | Grant(A) | 57K | — | $0 |
| May 12, 2023 | Wexler William A. | Director | Grant(A) | 27K | — | $0 |
| Feb 14, 2023 | Hackman Jeffrey S. | See Remarks., Director | Grant(A) | 100K | — | $0 |
| Feb 14, 2023 | Campbell Michael Gerard | EVP & CFO | Grant(A) | 25K | — | $0 |
| Feb 14, 2023 | Mahoney Robert Patrick | Chief Scientific Officer | Grant(A) | 25K | — | $0 |
| Feb 14, 2023 | Muni Neal | EVP & COO | Grant(A) | 100K | — | $0 |
| Feb 14, 2023 | Flowers Kirsten | Director | Grant(A) | 7K | — | $0 |
| Feb 14, 2023 | Banerjee Sirshendu Roopom | Director | Grant(A) | 7K | — | $0 |
| Feb 14, 2023 | Randle Stuart A | Director | Grant(A) | 7K | — | $0 |
| Feb 14, 2023 | Sherblom James | Director | Grant(A) | 7K | — | $0 |
| Feb 14, 2023 | Sullivan Edward Aloysius Jr. | Director | Grant(A) | 7K | — | $0 |
| Feb 14, 2023 | Wexler William A. | Director | Grant(A) | 7K | — | $0 |
| Jan 4, 2023 | Cherington Charles | 10% Owner | Buy(P) | 743K | $1.23 | $914K |
| Jan 4, 2023 | Cherington Charles | 10% Owner | Buy(P) | 743K | $0.25 | $186K |
| Jan 4, 2023 | Banerjee Sirshendu Roopom | Director | Buy(P) | 20K | $1.23 | $25K |
| Jan 4, 2023 | Banerjee Sirshendu Roopom | Director | Buy(P) | 20K | $0.25 | $5K |
| Jan 4, 2023 | Flowers Kirsten | Director | Buy(P) | 14K | $1.23 | $17K |
| Jan 4, 2023 | Flowers Kirsten | Director | Buy(P) | 14K | $0.25 | $3K |
| Jan 4, 2023 | Sullivan Edward Aloysius Jr. | Director | Buy(P) | 11K | $1.23 | $14K |
| Jan 4, 2023 | Sullivan Edward Aloysius Jr. | Director | Buy(P) | 11K | $0.25 | $3K |
| Jan 4, 2023 | Finck Barbara K | Director | Buy(P) | 7K | $1.23 | $8K |
| Jan 4, 2023 | Finck Barbara K | Director | Buy(P) | 7K | $0.25 | $2K |
| Jan 4, 2023 | Randle Stuart A | Director | Buy(P) | 34K | $1.23 | $42K |
| Jan 4, 2023 | Randle Stuart A | Director | Buy(P) | 34K | $0.25 | $8K |
| Jan 4, 2023 | Sherblom James | Director | Buy(P) | 81K | $1.23 | $100K |
| Jan 4, 2023 | Sherblom James | Director | Buy(P) | 81K | $0.25 | $20K |
| Jan 4, 2023 | Soane David | 10% Owner | Buy(P) | 68K | $1.23 | $83K |
| Jan 4, 2023 | Soane David | 10% Owner | Buy(P) | 68K | $1.23 | $83K |
| Jan 4, 2023 | Soane David | 10% Owner | Buy(P) | 68K | $1.23 | $83K |
| Jan 4, 2023 | Soane David | 10% Owner | Buy(P) | 135K | $0.13 | $18K |
| Jan 4, 2023 | Soane David | 10% Owner | Buy(P) | 135K | $0.13 | $18K |
| Jan 4, 2023 | Soane David | 10% Owner | Buy(P) | 135K | $0.13 | $18K |
| Nov 8, 2022 | McCourt Janice | Chief Business Officer | Grant(A) | 150K | — | $0 |
| Nov 8, 2022 | Soane David | 10% Owner | Buy(P) | 3K | $1.38 | $4K |
| Oct 21, 2022 | Cherington Charles | 10% Owner | Buy(P) | 12K | $1.59 | $19K |
| Oct 20, 2022 | Cherington Charles | 10% Owner | Buy(P) | 3K | $1.52 | $5K |
| Oct 17, 2022 | Cherington Charles | 10% Owner | Buy(P) | 15K | $1.66 | $25K |
| Oct 14, 2022 | Cherington Charles | 10% Owner | Buy(P) | 4K | $1.60 | $7K |
| Oct 13, 2022 | Cherington Charles | 10% Owner | Buy(P) | 10K | $1.66 | $17K |
| Sep 29, 2022 | Cherington Charles | 10% Owner | Buy(P) | 18K | $1.87 | $33K |
| Sep 27, 2022 | Cherington Charles | 10% Owner | Buy(P) | 12K | $1.69 | $20K |
| Sep 12, 2022 | Sherblom James | Director | Buy(P) | 50K | $2.03 | $102K |
| Sep 9, 2022 | Hackman Jeffrey S. | See Remarks, Director | Buy(P) | 48K | $2.06 | $98K |
| Sep 8, 2022 | Campbell Michael Gerard | EVP & CFO | Buy(P) | 25K | $2.07 | $52K |
| Aug 9, 2022 | Muni Neal | EVP & COO | Grant(A) | 50K | — | $0 |
| Aug 9, 2022 | Hackman Jeffrey S. | See Remarks., Director | Grant(A) | 300K | — | $0 |
| Aug 9, 2022 | Wexler William A. | Director | Grant(A) | 14K | — | $0 |
| Jun 15, 2022 | Campbell Michael Gerard | Chief Financial Officer | Grant(A) | 450K | — | $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).