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 |
|---|---|---|---|---|---|---|
| Aug 14, 2025 | Baker Bros. Advisors LP | Insider | Tender(U) | 357K | — | — |
| Aug 14, 2025 | Baker Bros. Advisors LP | Insider | Tender(U) | 3.8M | — | — |
| Aug 14, 2025 | Baker Bros. Advisors LP | Insider | Tender(U) | 9.9M | — | $0 |
| Aug 14, 2025 | Baker Bros. Advisors LP | Insider | Tender(U) | 835K | — | $0 |
| Aug 14, 2025 | Lee Michael Stewart | Director | Disposed to issuer(D) | 13K | — | — |
| Aug 14, 2025 | Green Jeremy | 10% Owner | Disposed to issuer(D) | 3.0M | — | — |
| Aug 14, 2025 | Green Jeremy | 10% Owner | Disposed to issuer(D) | 668K | — | — |
| Aug 14, 2025 | Green Jeremy | 10% Owner | Disposed to issuer(D) | 7.2M | — | — |
| Aug 14, 2025 | Behrens M Kathleen | Director | Disposed to issuer(D) | 22K | — | — |
| Aug 14, 2025 | Behrens M Kathleen | Director | Disposed to issuer(D) | 30K | — | — |
| Aug 14, 2025 | Behrens M Kathleen | Director | Disposed to issuer(D) | 30K | — | — |
| Aug 14, 2025 | Behrens M Kathleen | Director | Disposed to issuer(D) | 331K | — | — |
| Aug 14, 2025 | Harler Mary Beth | Chief Executive Officer, Director | Disposed to issuer(D) | 324K | — | — |
| Aug 14, 2025 | Strohl William | Director | Disposed to issuer(D) | 125K | — | — |
| Aug 14, 2025 | Thompson Elizabeth H.Z. | Director | Disposed to issuer(D) | 7K | — | — |
| Aug 14, 2025 | Topsoe Christina Teng | Director, 10% Owner | Disposed to issuer(D) | 10K | — | — |
| Aug 14, 2025 | Topsoe Christina Teng | Director, 10% Owner | Disposed to issuer(D) | 10.4M | — | — |
| Aug 14, 2025 | Topsoe Christina Teng | Director, 10% Owner | Disposed to issuer(D) | 54K | — | — |
| Aug 14, 2025 | Topsoe Christina Teng | Director, 10% Owner | Disposed to issuer(D) | 5.0M | — | $0 |
| Aug 14, 2025 | Topsoe Jakob Haldor | Director, 10% Owner | Disposed to issuer(D) | 92K | — | — |
| Aug 14, 2025 | Topsoe Jakob Haldor | Director, 10% Owner | Disposed to issuer(D) | 10.4M | — | — |
| Aug 14, 2025 | Topsoe Jakob Haldor | Director, 10% Owner | Disposed to issuer(D) | 5.0M | — | $0 |
| Aug 14, 2025 | Topsoe Holding A/S | 10% Owner | Disposed to issuer(D) | 10.4M | — | — |
| Aug 14, 2025 | Topsoe Holding A/S | 10% Owner | Disposed to issuer(D) | 5.0M | — | $0 |
| Aug 14, 2025 | Hambleton Julie | Director | Disposed to issuer(D) | 2K | — | — |
| Jul 23, 2025 | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | Sell(S) | 4K | $1.27 | $6K |
| Jul 23, 2025 | Harler Mary Beth | Chief Executive Officer, Director | Sell(S) | 15K | $1.27 | $18K |
| Jul 23, 2025 | Tahir Misbah | CHIEF FINANCIAL OFFICER | Sell(S) | 9K | $1.27 | $11K |
| Jun 30, 2025 | 667, L.P. | Director, 10% Owner | Grant(A) | 953 | — | $0 |
| Jun 30, 2025 | 667, L.P. | Director, 10% Owner | Grant(A) | 953 | — | $0 |
| Jun 30, 2025 | Redmile Group, LLC | Director, 10% Owner | Grant(A) | 828 | — | $0 |
| Jun 30, 2025 | Lee Michael Stewart | Director | Grant(A) | 828 | — | $0 |
| Jun 30, 2025 | Behrens M Kathleen | Director | Grant(A) | 1K | — | $0 |
| Jun 30, 2025 | Thompson Elizabeth H.Z. | Director | Grant(A) | 694 | — | $0 |
| Jun 30, 2025 | Topsoe Christina Teng | Director, 10% Owner | Grant(A) | 1K | — | $0 |
| Jun 30, 2025 | Topsoe Jakob Haldor | Director, 10% Owner | Grant(A) | 828 | — | $0 |
| Jun 16, 2025 | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | Sell(S) | 951 | $1.20 | $1K |
| Jun 16, 2025 | Harler Mary Beth | Chief Executive Officer, Director | Sell(S) | 2K | $1.20 | $2K |
| Jun 16, 2025 | Tahir Misbah | CHIEF FINANCIAL OFFICER | Sell(S) | 2K | $1.20 | $2K |
| Jun 16, 2025 | Weber Steven | PRINCIPAL ACCOUNTING OFFICER | Sell(S) | 486 | $1.20 | $583 |
| May 14, 2025 | Weber Steven | PRINCIPAL ACCOUNTING OFFICER | Sell(S) | 2K | $1.12 | $2K |
| Mar 31, 2025 | Redmile Group, LLC | Director, 10% Owner | Grant(A) | 828 | — | $0 |
| Mar 31, 2025 | Lee Michael Stewart | Director | Grant(A) | 828 | — | $0 |
| Mar 31, 2025 | 667, L.P. | Director, 10% Owner | Grant(A) | 953 | — | $0 |
| Mar 31, 2025 | 667, L.P. | Director, 10% Owner | Grant(A) | 953 | — | $0 |
| Mar 31, 2025 | Behrens M Kathleen | Director | Grant(A) | 1K | — | $0 |
| Mar 31, 2025 | Thompson Elizabeth H.Z. | Director | Grant(A) | 694 | — | $0 |
| Mar 31, 2025 | Topsoe Christina Teng | Director, 10% Owner | Grant(A) | 1K | — | $0 |
| Mar 31, 2025 | Topsoe Jakob Haldor | Director, 10% Owner | Grant(A) | 828 | — | $0 |
| Mar 14, 2025 | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | Sell(S) | 5K | $1.23 | $6K |
| Mar 14, 2025 | Harler Mary Beth | Chief Executive Officer, Director | Sell(S) | 7K | $1.23 | $9K |
| Mar 14, 2025 | Tahir Misbah | CHIEF FINANCIAL OFFICER | Sell(S) | 7K | $1.23 | $9K |
| Mar 14, 2025 | Weber Steven | PRINCIPAL ACCOUNTING OFFICER | Sell(S) | 2K | $1.23 | $2K |
| Jan 15, 2025 | Weber Steven | PRINCIPAL ACCOUNTING OFFICER | Sell(S) | 1K | $1.70 | $2K |
| Dec 31, 2024 | Baker Brothers Life Sciences LP | Director, 10% Owner | Grant(A) | 2K | — | $0 |
| Dec 31, 2024 | Baker Brothers Life Sciences LP | Director, 10% Owner | Grant(A) | 2K | — | $0 |
| Dec 31, 2024 | Redmile Group, LLC | Director, 10% Owner | Grant(A) | 2K | — | $0 |
| Dec 31, 2024 | Lee Michael Stewart | Director | Grant(A) | 2K | — | $0 |
| Dec 31, 2024 | Behrens M Kathleen | Director | Grant(A) | 3K | — | $0 |
| Dec 31, 2024 | Thompson Elizabeth H.Z. | Director | Grant(A) | 1K | — | $0 |
| Dec 31, 2024 | Topsoe Christina Teng | Director, 10% Owner | Grant(A) | 3K | — | $0 |
| Dec 31, 2024 | Topsoe Jakob Haldor | Director, 10% Owner | Grant(A) | 2K | — | $0 |
| Dec 16, 2024 | Tahir Misbah | CHIEF FINANCIAL OFFICER | Sell(S) | 2K | $7.48 | $13K |
| Dec 16, 2024 | Harler Mary Beth | Chief Executive Officer, Director | Sell(S) | 2K | $7.48 | $13K |
| Dec 16, 2024 | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | Sell(S) | 1K | $7.48 | $8K |
| Dec 16, 2024 | Weber Steven | PRINCIPAL ACCOUNTING OFFICER | Sell(S) | 539 | $7.48 | $4K |
| Nov 18, 2024 | Tahir Misbah | CHIEF FINANCIAL OFFICER | Grant(A) | 67K | — | $0 |
| Nov 7, 2024 | Weber Steven | PRINCIPAL ACCOUNTING OFFICER | Grant(A) | 7K | — | $0 |
| Oct 2, 2024 | Harler Mary Beth | Chief Executive Officer, Director | Grant(A) | 185K | — | $0 |
| Oct 2, 2024 | Harler Mary Beth | Chief Executive Officer, Director | Grant(A) | 370K | — | $0 |
| Sep 30, 2024 | Baker Bros. Advisors (GP) LLC | Director, 10% Owner | Grant(A) | 2K | — | $0 |
| Sep 30, 2024 | Baker Bros. Advisors (GP) LLC | Director, 10% Owner | Grant(A) | 2K | — | $0 |
| Sep 30, 2024 | Lee Michael Stewart | Director | Grant(A) | 2K | — | $0 |
| Sep 30, 2024 | Green Jeremy | 10% Owner | Grant(A) | 2K | — | $0 |
| Sep 30, 2024 | Behrens M Kathleen | Director | Grant(A) | 3K | — | $0 |
| Sep 30, 2024 | Thompson Elizabeth H.Z. | Director | Grant(A) | 1K | — | $0 |
| Sep 30, 2024 | Topsoe Christina Teng | Director, 10% Owner | Grant(A) | 3K | — | $0 |
| Sep 30, 2024 | Topsoe Jakob Haldor | Director, 10% Owner | Grant(A) | 2K | — | $0 |
| Sep 13, 2024 | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | Sell(S) | 925 | $11.54 | $11K |
| Sep 13, 2024 | Harler Mary Beth | Head, Research & Autoimmunity | Sell(S) | 1K | $11.54 | $17K |
| Sep 13, 2024 | Keyt Bruce | CHIEF SCIENTIFIC OFFICER | Sell(S) | 1K | $11.54 | $17K |
| Sep 13, 2024 | Schwarzer Fred | CEO AND PRESIDENT, Director | Sell(S) | 4K | $11.54 | $46K |
| Sep 13, 2024 | Tahir Misbah | CHIEF FINANCIAL OFFICER | Sell(S) | 1K | $11.54 | $17K |
| Sep 13, 2024 | Takimoto Chris H | CHIEF MEDICAL OFFICER | Sell(S) | 1K | $11.54 | $17K |
| Sep 13, 2024 | Weber Steven | PRINCIPAL ACCOUNTING OFFICER | Sell(S) | 469 | $11.54 | $5K |
| Aug 8, 2024 | Strohl William | Director | Grant(A) | 125K | — | $0 |
| Jul 25, 2024 | Hambleton Julie | Director | Sell(S) | 15K | $14.00 | $212K |
| Jul 25, 2024 | Hambleton Julie | Director | Option exercise(M) | 15K | $1.39 | $21K |
| Jul 25, 2024 | Hambleton Julie | Director | Option exercise(M) | 15K | — | $0 |
| Jul 19, 2024 | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | Grant(A) | 17K | — | — |
| Jul 19, 2024 | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | Grant(A) | 3K | — | — |
| Jul 19, 2024 | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | Disposed to issuer(D) | 60K | — | — |
| Jul 19, 2024 | Harler Mary Beth | Head, Research & Autoimmunity | Grant(A) | 25K | — | — |
| Jul 19, 2024 | Harler Mary Beth | Head, Research & Autoimmunity | Grant(A) | 55K | — | — |
| Jul 19, 2024 | Harler Mary Beth | Head, Research & Autoimmunity | Disposed to issuer(D) | 200K | — | — |
| Jul 19, 2024 | Keyt Bruce | CHIEF SCIENTIFIC OFFICER | Grant(A) | 44K | — | — |
| Jul 19, 2024 | Keyt Bruce | CHIEF SCIENTIFIC OFFICER | Grant(A) | 3K | — | — |
| Jul 19, 2024 | Keyt Bruce | CHIEF SCIENTIFIC OFFICER | Disposed to issuer(D) | 50K | — | — |
| Jul 19, 2024 | Keyt Bruce | CHIEF SCIENTIFIC OFFICER | Disposed to issuer(D) | 75K | — | — |
| Jul 19, 2024 | Tahir Misbah | CHIEF FINANCIAL OFFICER | Grant(A) | 33K | — | — |
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).