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 |
|---|---|---|---|---|---|---|
| Jan 28, 2026 | BVF Partners L P | 10% Owner | Tender(U) | 4.3M | — | — |
| Jan 28, 2026 | BVF Partners L P | 10% Owner | Tender(U) | 5.3M | — | — |
| Jan 28, 2026 | BVF Partners L P | 10% Owner | Tender(U) | 549K | — | — |
| Jan 28, 2026 | Rhoads Ann D | Director | Disposed to issuer(D) | 4K | — | — |
| Jan 28, 2026 | Schafer Carol | Director | Disposed to issuer(D) | 8K | — | — |
| Jan 28, 2026 | Schafer Carol | Director | Disposed to issuer(D) | 38K | — | $0 |
| Jan 28, 2026 | Civik Thomas | Director | Disposed to issuer(D) | 8K | — | — |
| Jan 28, 2026 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Disposed to issuer(D) | 57K | — | — |
| Jan 28, 2026 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Disposed to issuer(D) | 326K | — | $0 |
| Jan 28, 2026 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Disposed to issuer(D) | 500K | — | $0 |
| Jan 28, 2026 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Disposed to issuer(D) | 85K | — | $0 |
| Jan 28, 2026 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Disposed to issuer(D) | 200K | — | $0 |
| Jan 28, 2026 | Alves Sandra Isabelle Barros | SVP, Finance and CAO | Disposed to issuer(D) | 32K | — | — |
| Jan 28, 2026 | Alves Sandra Isabelle Barros | SVP, Finance and CAO | Disposed to issuer(D) | 26K | — | $0 |
| Jan 28, 2026 | Alves Sandra Isabelle Barros | SVP, Finance and CAO | Disposed to issuer(D) | 25K | — | $0 |
| Apr 2, 2025 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Grant(A) | 500K | — | $0 |
| Apr 2, 2025 | Alves Sandra Isabelle Barros | SVP, Finance and CAO | Grant(A) | 4K | — | $0 |
| Apr 2, 2025 | Alves Sandra Isabelle Barros | SVP, Finance and CAO | Grant(A) | 25K | — | $0 |
| Mar 12, 2025 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Sell(S) | 21K | $1.14 | $24K |
| Mar 12, 2025 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Sell(S) | 7K | $1.14 | $8K |
| Mar 12, 2025 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Sell(S) | 6K | $1.14 | $6K |
| Mar 12, 2025 | Koehler Maria | EVP, CHIEF MEDICAL OFFICER | Sell(S) | 4K | $1.14 | $4K |
| Mar 4, 2025 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Grant(A) | 14K | — | $0 |
| Mar 4, 2025 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Grant(A) | 200K | — | $0 |
| Mar 4, 2025 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Grant(A) | 85K | — | $0 |
| Mar 4, 2025 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Grant(A) | 14K | — | $0 |
| Mar 4, 2025 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Grant(A) | 75K | — | $0 |
| Mar 4, 2025 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Grant(A) | 85K | — | $0 |
| Mar 4, 2025 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Grant(A) | 40K | — | $0 |
| Mar 4, 2025 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Grant(A) | 237K | — | $0 |
| Jun 17, 2024 | Stein Steven H | Director | Grant(A) | 54K | — | $0 |
| Jun 17, 2024 | Civik Thomas | Director | Grant(A) | 27K | — | $0 |
| Jun 17, 2024 | Bonita David P | Director | Grant(A) | 27K | — | $0 |
| Jun 17, 2024 | Kulkarni Samarth | Director | Grant(A) | 27K | — | $0 |
| Jun 17, 2024 | Molineaux Susan | Director | Grant(A) | 27K | — | $0 |
| Jun 17, 2024 | Morrison Briggs | Director | Grant(A) | 27K | — | $0 |
| Jun 17, 2024 | Rhoads Ann D | Director | Grant(A) | 27K | — | $0 |
| Jun 17, 2024 | Schafer Carol | Director | Grant(A) | 27K | — | $0 |
| Apr 1, 2024 | Koehler Maria | EVP, CHIEF MEDICAL OFFICER | Sell(S) | 300 | $4.66 | $1K |
| Apr 1, 2024 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Sell(S) | 410 | $4.66 | $2K |
| Apr 1, 2024 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Sell(S) | 789 | $4.61 | $4K |
| Apr 1, 2024 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Sell(S) | 2K | $4.63 | $12K |
| Mar 28, 2024 | Koehler Maria | EVP, CHIEF MEDICAL OFFICER | Sell(S) | 500 | $4.64 | $2K |
| Mar 28, 2024 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Sell(S) | 450 | $4.64 | $2K |
| Mar 28, 2024 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Sell(S) | 825 | $4.62 | $4K |
| Mar 28, 2024 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Sell(S) | 3K | $4.62 | $12K |
| Mar 27, 2024 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Sell(S) | 3K | $4.63 | $12K |
| Mar 27, 2024 | Koehler Maria | EVP, CHIEF MEDICAL OFFICER | Sell(S) | 500 | $4.62 | $2K |
| Mar 27, 2024 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Sell(S) | 450 | $4.62 | $2K |
| Mar 27, 2024 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Sell(S) | 825 | $4.62 | $4K |
| Mar 26, 2024 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Sell(S) | 3K | $4.64 | $12K |
| Mar 26, 2024 | Koehler Maria | EVP, CHIEF MEDICAL OFFICER | Sell(S) | 500 | $4.60 | $2K |
| Mar 26, 2024 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Sell(S) | 450 | $4.61 | $2K |
| Mar 26, 2024 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Sell(S) | 825 | $4.60 | $4K |
| Mar 25, 2024 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Sell(S) | 3K | $4.79 | $13K |
| Mar 25, 2024 | Koehler Maria | EVP, CHIEF MEDICAL OFFICER | Sell(S) | 500 | $4.78 | $2K |
| Mar 25, 2024 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Sell(S) | 450 | $4.78 | $2K |
| Mar 25, 2024 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Sell(S) | 825 | $4.79 | $4K |
| Mar 1, 2024 | Koehler Maria | EVP, CHIEF MEDICAL OFFICER | Grant(A) | 14K | — | $0 |
| Mar 1, 2024 | Koehler Maria | EVP, CHIEF MEDICAL OFFICER | Grant(A) | 85K | — | $0 |
| Mar 1, 2024 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Grant(A) | 40K | — | $0 |
| Mar 1, 2024 | Segal Lloyd Mitchell | PRESIDENT AND CEO, Director | Grant(A) | 237K | — | $0 |
| Mar 1, 2024 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Grant(A) | 14K | — | $0 |
| Mar 1, 2024 | Zinda Michael | EVP, CHIEF SCIENTIFIC OFFICER | Grant(A) | 85K | — | $0 |
| Mar 1, 2024 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Grant(A) | 14K | — | $0 |
| Mar 1, 2024 | Forte Steve | EVP, CHIEF FINANCIAL OFFICER | Grant(A) | 85K | — | $0 |
| Dec 11, 2023 | Koehler Maria | EVP, Chief Medical Officer | Option exercise(M) | 24K | $2.43 | $57K |
| Dec 11, 2023 | Koehler Maria | EVP, Chief Medical Officer | Option exercise(M) | 20K | $2.06 | $42K |
| Dec 11, 2023 | Koehler Maria | EVP, Chief Medical Officer | Option exercise(M) | 24K | — | $0 |
| Dec 11, 2023 | Koehler Maria | EVP, Chief Medical Officer | Option exercise(M) | 20K | — | $0 |
| Nov 16, 2023 | Biotechnology Value Trading Fund OS LP | Insider | Buy(P) | 16K | $5.38 | $87K |
| Nov 16, 2023 | Biotechnology Value Trading Fund OS LP | Insider | Buy(P) | 126K | $5.38 | $677K |
| Nov 16, 2023 | Biotechnology Value Trading Fund OS LP | Insider | Buy(P) | 154K | $5.38 | $827K |
| Nov 15, 2023 | Biotechnology Value Trading Fund OS LP | Insider | Buy(P) | 391K | $5.00 | $2.0M |
| Nov 15, 2023 | Biotechnology Value Trading Fund OS LP | Insider | Buy(P) | 493K | $5.00 | $2.5M |
| Nov 15, 2023 | Biotechnology Value Trading Fund OS LP | Insider | Buy(P) | 48K | $5.00 | $239K |
| Nov 2, 2023 | Biotechnology Value Trading Fund OS LP | Insider | Buy(P) | 492K | $3.60 | $1.8M |
| Nov 2, 2023 | Biotechnology Value Trading Fund OS LP | Insider | Buy(P) | 72K | $3.60 | $261K |
| Nov 2, 2023 | Biotechnology Value Trading Fund OS LP | Insider | Buy(P) | 219K | $3.60 | $788K |
| Jun 8, 2023 | Zinda Michael | EVP, Chief Scientific Officer | Buy(S) | 3K | $12.02 | $34K |
| Jun 8, 2023 | Bonita David P | Director | Grant(A) | 27K | — | $0 |
| Jun 8, 2023 | Civik Thomas | Director | Grant(A) | 27K | — | $0 |
| Jun 8, 2023 | Foley Todd | Director | Grant(A) | 27K | — | $0 |
| Jun 8, 2023 | Kulkarni Samarth | Director | Grant(A) | 27K | — | $0 |
| Jun 8, 2023 | Molineaux Susan | Director | Grant(A) | 76K | — | $0 |
| Jun 8, 2023 | Morrison Briggs | Director | Grant(A) | 27K | — | $0 |
| Jun 8, 2023 | Rhoads Ann D | Director | Grant(A) | 27K | — | $0 |
| Jun 8, 2023 | Schafer Carol | Director | Grant(A) | 27K | — | $0 |
| Jun 7, 2023 | Zinda Michael | EVP, Chief Scientific Officer | Sell(S) | 6K | $12.03 | $77K |
| Jun 6, 2023 | Zinda Michael | EVP, Chief Scientific Officer | Sell(S) | 1K | $12.04 | $14K |
| Jan 30, 2023 | Forte Steve | EVP, Chief Financial Officer | Grant(A) | 25K | — | $0 |
| Jan 30, 2023 | Forte Steve | EVP, Chief Financial Officer | Grant(A) | 111K | — | $0 |
| Jan 30, 2023 | Segal Lloyd Mitchell | President and CEO, Director | Grant(A) | 79K | — | $0 |
| Jan 30, 2023 | Segal Lloyd Mitchell | President and CEO, Director | Grant(A) | 344K | — | $0 |
| Jan 30, 2023 | Koehler Maria | EVP, Chief Medical Officer | Grant(A) | 26K | — | $0 |
| Jan 30, 2023 | Koehler Maria | EVP, Chief Medical Officer | Grant(A) | 119K | — | $0 |
| Jan 30, 2023 | Zinda Michael | EVP, Chief Scientific Officer | Grant(A) | 25K | — | $0 |
| Jan 30, 2023 | Zinda Michael | EVP, Chief Scientific Officer | Grant(A) | 97K | — | $0 |
| Dec 29, 2022 | Jerel Davis | Director | Other(J) | 287K | — | $0 |
| Dec 29, 2022 | Jerel Davis | Director | Other(J) | 62K | — | $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).