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 23, 2026 | Zeskind Benjamin J. | PRESIDENT AND CEO, Director | Buy(P) | 2K | $4.56 | $11K |
| Jun 15, 2026 | Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Buy(P) | 6K | $4.15 | $25K |
| Jun 11, 2026 | Keating Laurie | Director | Grant(A) | 33K | — | $0 |
| Jun 11, 2026 | Feinberg Peter | Director | Grant(A) | 33K | — | $0 |
| Jun 11, 2026 | Schall Thomas J. | Director | Grant(A) | 33K | — | $0 |
| Jun 11, 2026 | Hausman Diana | Director | Grant(A) | 33K | — | $0 |
| Jun 11, 2026 | Carpenter Robert J | Director | Grant(A) | 33K | — | $0 |
| Mar 13, 2026 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Grant(A) | 4K | $4.29 | $16K |
| Feb 3, 2026 | Zeskind Benjamin J. | PRESIDENT AND CEO, Director | Grant(A) | 688K | — | $0 |
| Feb 3, 2026 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Grant(A) | 140K | — | $0 |
| Feb 3, 2026 | Morales Mallory | SVP Finance, CAO | Grant(A) | 140K | — | $0 |
| Feb 3, 2026 | Matushansky Igor | Chief Medical Officer | Grant(A) | 140K | — | $0 |
| Feb 3, 2026 | Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Grant(A) | 344K | — | $0 |
| Feb 3, 2026 | Brakewood Harold Eugene | Chief Business Officer | Grant(A) | 140K | — | $0 |
| Feb 3, 2026 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Grant(A) | 176K | — | $0 |
| Jan 16, 2026 | Brakewood Harold Eugene | Chief Business Officer | Buy(P) | 5K | $4.76 | $25K |
| Jan 15, 2026 | Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Buy(P) | 2K | $4.57 | $11K |
| Jan 15, 2026 | Schall Thomas J. | Director | Buy(P) | 22K | $4.67 | $101K |
| Jan 13, 2026 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Buy(P) | 3K | $4.15 | $11K |
| Jan 12, 2026 | Feinberg Peter | Director | Buy(P) | 20K | $4.35 | $87K |
| Jan 1, 2026 | Feinberg Peter | Director | Grant(A) | 8K | — | $0 |
| Jan 1, 2026 | Keating Laurie | Director | Grant(A) | 8K | — | $0 |
| Oct 3, 2025 | Feinberg Peter | Director | Buy(P) | 8K | $6.67 | $50K |
| Oct 1, 2025 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Buy(P) | 1K | $6.83 | $7K |
| Oct 1, 2025 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Buy(P) | 800 | $6.38 | $5K |
| Oct 1, 2025 | Morales Mallory | Chief Accounting Officer | Buy(P) | 300 | $6.39 | $2K |
| Sep 30, 2025 | Feinberg Peter | Director | Buy(P) | 8K | $7.03 | $53K |
| Sep 29, 2025 | Feinberg Peter | Director | Buy(P) | 5K | $7.18 | $36K |
| Sep 15, 2025 | Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Grant(A) | 15K | $1.43 | $21K |
| Sep 15, 2025 | Morales Mallory | Chief Accounting Officer | Grant(A) | 14K | $1.43 | $21K |
| Sep 15, 2025 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Grant(A) | 12K | $1.43 | $17K |
| Jul 2, 2025 | Zeskind Benjamin J. | PRESIDENT AND CEO, Director, 10% Owner | Buy(P) | 7K | $3.53 | $25K |
| Jul 2, 2025 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Buy(P) | 700 | $3.57 | $2K |
| Jul 2, 2025 | Hausman Diana | Director | Buy(P) | 3K | $3.60 | $9K |
| Jul 2, 2025 | Hausman Diana | Director | Buy(P) | 3K | $3.62 | $11K |
| Jul 1, 2025 | Zeskind Benjamin J. | PRESIDENT AND CEO, Director, 10% Owner | Buy(P) | 3K | $3.38 | $10K |
| Jun 27, 2025 | Schall Thomas J. | Director | Buy(P) | 10K | $3.66 | $35K |
| Jun 23, 2025 | Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Buy(P) | 6K | $2.43 | $15K |
| Jun 20, 2025 | Brakewood Harold Eugene | Chief Business Officer | Buy(P) | 2K | $2.53 | $5K |
| Jun 20, 2025 | Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Buy(P) | 7K | $2.70 | $20K |
| Jun 18, 2025 | Zeskind Benjamin J. | PRESIDENT AND CEO, Director, 10% Owner | Buy(P) | 21K | $2.39 | $50K |
| Jun 18, 2025 | Feinberg Peter | Director | Buy(P) | 25K | $2.53 | $63K |
| Jun 17, 2025 | Schall Thomas J. | Director | Buy(P) | 40K | $2.21 | $89K |
| Jun 13, 2025 | Berman Ann E | Director | Grant(A) | 33K | — | $0 |
| Jun 13, 2025 | Carpenter Robert J | Director | Grant(A) | 33K | — | $0 |
| Jun 13, 2025 | Feinberg Peter | Director | Grant(A) | 33K | — | $0 |
| Jun 13, 2025 | Keating Laurie | Director | Grant(A) | 33K | — | $0 |
| Jun 13, 2025 | Schall Thomas J. | Director | Grant(A) | 33K | — | $0 |
| Jun 13, 2025 | Hausman Diana | Director | Grant(A) | 33K | — | $0 |
| Mar 21, 2025 | Matushansky Igor | Chief Medical Officer | Grant(A) | 118K | — | $0 |
| Feb 5, 2025 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Grant(A) | 110K | — | $0 |
| Feb 5, 2025 | Zeskind Benjamin J. | PRESIDENT AND CEO, Director, 10% Owner | Grant(A) | 480K | — | $0 |
| Feb 5, 2025 | Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Grant(A) | 240K | — | $0 |
| Feb 5, 2025 | Brakewood Harold Eugene | Chief Business Officer | Grant(A) | 100K | — | $0 |
| Feb 5, 2025 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Grant(A) | 110K | — | $0 |
| Feb 5, 2025 | Morales Mallory | Chief Accounting Officer | Grant(A) | 110K | — | $0 |
| Jan 1, 2025 | Keating Laurie | Director | Grant(A) | 23K | — | $0 |
| Jan 1, 2025 | Feinberg Peter | Director | Grant(A) | 23K | — | $0 |
| Jan 1, 2025 | Berman Ann E | Director | Grant(A) | 23K | — | $0 |
| Jan 1, 2025 | Berman Ann E | Director | Grant(A) | 18K | — | $0 |
| Sep 15, 2024 | Morales Mallory | Chief Accounting Officer | Grant(A) | 4K | $1.62 | $7K |
| Jun 12, 2024 | Hausman Diana | Director | Grant(A) | 33K | — | $0 |
| Jun 12, 2024 | Berman Ann E | Director | Grant(A) | 33K | — | $0 |
| Jun 12, 2024 | Feinberg Peter | Director | Grant(A) | 33K | — | $0 |
| Jun 12, 2024 | Carpenter Robert J | Director | Grant(A) | 33K | — | $0 |
| Jun 12, 2024 | Keating Laurie | Director | Grant(A) | 33K | — | $0 |
| Jun 12, 2024 | Schall Thomas J. | Director | Grant(A) | 9K | — | $0 |
| May 21, 2024 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Disposed to issuer(D) | 89K | — | $0 |
| May 21, 2024 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Disposed to issuer(D) | 105K | — | $0 |
| May 21, 2024 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Grant(A) | 105K | — | $0 |
| May 21, 2024 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Disposed to issuer(D) | 61K | — | $0 |
| May 21, 2024 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Grant(A) | 61K | — | $0 |
| May 21, 2024 | Neufeld Leah R | CHIEF PEOPLE OFFICER | Grant(A) | 89K | — | $0 |
| May 21, 2024 | Brakewood Harold Eugene | Chief Business Officer | Disposed to issuer(D) | 61K | — | $0 |
| May 21, 2024 | Brakewood Harold Eugene | Chief Business Officer | Disposed to issuer(D) | 165K | — | $0 |
| May 21, 2024 | Brakewood Harold Eugene | Chief Business Officer | Grant(A) | 61K | — | $0 |
| May 21, 2024 | Brakewood Harold Eugene | Chief Business Officer | Grant(A) | 165K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Disposed to issuer(D) | 10K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Grant(A) | 10K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Disposed to issuer(D) | 24K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Grant(A) | 24K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Disposed to issuer(D) | 5K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Grant(A) | 72K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Disposed to issuer(D) | 15K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Grant(A) | 15K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Disposed to issuer(D) | 61K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Grant(A) | 61K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Disposed to issuer(D) | 72K | — | $0 |
| May 21, 2024 | Morales Mallory | Chief Accounting Officer | Grant(A) | 5K | — | $0 |
| May 21, 2024 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Disposed to issuer(D) | 101K | — | $0 |
| May 21, 2024 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Grant(A) | 101K | — | $0 |
| May 21, 2024 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Disposed to issuer(D) | 47K | — | $0 |
| May 21, 2024 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Grant(A) | 47K | — | $0 |
| May 21, 2024 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Disposed to issuer(D) | 143K | — | $0 |
| May 21, 2024 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Grant(A) | 143K | — | $0 |
| May 21, 2024 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Disposed to issuer(D) | 93K | — | $0 |
| May 21, 2024 | Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Grant(A) | 93K | — | $0 |
| Apr 1, 2024 | Cormorant Private Healthcare Fund III LP | 10% Owner | Sell(S) | 280 | $2.97 | $832 |
| Apr 1, 2024 | Cormorant Private Healthcare Fund III LP | 10% Owner | Sell(S) | 10 | $2.98 | $30 |
| Apr 1, 2024 | Cormorant Private Healthcare Fund III LP | 10% Owner | Sell(S) | 10 | $3.01 | $30 |
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 → 2026-07-11. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).