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 29, 2026 | Gardner Mark A | President | Grant(A) | 35K | — | $0 |
| Jun 18, 2026 | Pfenniger Richard C JR | Director | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Pfenniger Richard C JR | Director | Grant(A) | 4K | — | $0 |
| Jun 18, 2026 | Pfenniger Richard C JR | Director | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Meister Keith A. | Director, 10% Owner | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Meister Keith A. | Director, 10% Owner | Grant(A) | 4K | — | $0 |
| Jun 18, 2026 | Meister Keith A. | Director, 10% Owner | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Ryan Jason | Director | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Ryan Jason | Director | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Leproust Emily M. | Director | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Leproust Emily M. | Director | Grant(A) | 4K | — | $0 |
| Jun 18, 2026 | Leproust Emily M. | Director | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Casdin Eli | Director, 10% Owner | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Casdin Eli | Director, 10% Owner | Grant(A) | 4K | — | $0 |
| Jun 18, 2026 | Casdin Eli | Director, 10% Owner | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Fuchs Thomas | Director | Grant(A) | 4K | — | $0 |
| Jun 18, 2026 | Ruch Joshua | Director | Option exercise(M) | 4K | — | $0 |
| Jun 18, 2026 | Ruch Joshua | Director | Grant(A) | 4K | — | $0 |
| Jun 18, 2026 | Ruch Joshua | Director | Option exercise(M) | 4K | — | $0 |
| Jun 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 19K | — | $0 |
| Jun 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 2K | $59.75 | $128K |
| Jun 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 6K | $60.83 | $361K |
| Jun 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 2K | $61.50 | $149K |
| Jun 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 19K | — | $0 |
| Jun 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 7K | — | $0 |
| Jun 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 760 | $59.75 | $45K |
| Jun 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 2K | $60.83 | $128K |
| Jun 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 863 | $61.50 | $53K |
| Jun 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 7K | — | $0 |
| Jun 9, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 7K | — | $0 |
| Jun 9, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 4K | $53.77 | $196K |
| Jun 9, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 7K | — | $0 |
| Jun 9, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 2K | — | $0 |
| Jun 9, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 1K | $53.77 | $68K |
| Jun 9, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 2K | — | $0 |
| Jun 5, 2026 | Casdin Capital, LLC | Director, 10% Owner | Buy(P) | 50K | $52.86 | $2.6M |
| Jun 4, 2026 | Casdin Capital, LLC | Director, 10% Owner | Buy(P) | 150K | $56.44 | $8.5M |
| Jun 1, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 717 | — | $0 |
| Jun 1, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 369 | $51.74 | $19K |
| Jun 1, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 717 | — | $0 |
| May 20, 2026 | Casdin Capital, LLC | Director, 10% Owner | Buy(P) | 140K | $43.81 | $6.1M |
| May 19, 2026 | Casdin Capital, LLC | Director, 10% Owner | Buy(P) | 185K | $42.60 | $7.9M |
| May 18, 2026 | Casdin Capital, LLC | Director, 10% Owner | Buy(P) | 175K | $42.55 | $7.4M |
| May 15, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 27K | $38.28 | $1.0M |
| May 15, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 19K | $39.83 | $751K |
| May 14, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 88K | $39.08 | $3.4M |
| May 14, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 52K | $39.92 | $2.1M |
| May 13, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 94K | $38.82 | $3.7M |
| May 13, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 71K | $39.45 | $2.8M |
| May 11, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 247K | $38.91 | $9.6M |
| May 11, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 253K | $39.65 | $10.0M |
| May 11, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 532 | $40.35 | $21K |
| May 11, 2026 | Casdin Capital, LLC | Director, 10% Owner | Buy(P) | 50K | — | — |
| May 8, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 16K | $38.00 | $598K |
| May 8, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 3K | $38.70 | $131K |
| May 8, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 79K | $40.67 | $3.2M |
| May 8, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 73K | $41.15 | $3.0M |
| May 8, 2026 | Casdin Capital, LLC | Director, 10% Owner | Buy(P) | 300K | — | — |
| May 7, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 128K | $35.46 | $4.5M |
| May 7, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 15K | $36.33 | $537K |
| May 7, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 123K | $37.60 | $4.6M |
| May 7, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 116K | $38.46 | $4.5M |
| May 7, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 94K | $39.39 | $3.7M |
| May 7, 2026 | Meister Keith A. | Director, 10% Owner | Buy(P) | 57K | $40.46 | $2.3M |
| May 7, 2026 | Casdin Capital, LLC | Director, 10% Owner | Buy(P) | 500K | — | — |
| Apr 29, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 4K | — | $0 |
| Apr 29, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 2K | $65.20 | $140K |
| Apr 29, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 18 | $64.12 | $1K |
| Apr 29, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 4K | — | $0 |
| Apr 29, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 754 | — | $0 |
| Apr 29, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 392 | $65.19 | $26K |
| Apr 29, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 754 | — | $0 |
| Mar 26, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 5K | $62.33 | $319K |
| Mar 26, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 13K | $61.29 | $811K |
| Mar 26, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 80K | — | $0 |
| Mar 26, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 10K | $65.21 | $644K |
| Mar 26, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 13K | $63.28 | $849K |
| Mar 26, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 5K | $64.60 | $342K |
| Mar 26, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 80K | — | $0 |
| Mar 26, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 2K | $65.21 | $121K |
| Mar 26, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 995 | $64.60 | $64K |
| Mar 26, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 3K | $63.28 | $159K |
| Mar 26, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 961 | $62.33 | $60K |
| Mar 26, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 2K | $61.29 | $152K |
| Mar 26, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 16K | — | $0 |
| Mar 26, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 16K | — | $0 |
| Mar 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 19K | — | $0 |
| Mar 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 772 | $77.94 | $60K |
| Mar 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 9K | $77.05 | $711K |
| Mar 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Sell(S) | 7K | $76.35 | $548K |
| Mar 16, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 19K | — | $0 |
| Mar 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 7K | — | $0 |
| Mar 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 257 | $77.94 | $20K |
| Mar 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 3K | $77.05 | $236K |
| Mar 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Sell(S) | 2K | $76.35 | $182K |
| Mar 16, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 7K | — | $0 |
| Mar 15, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 12K | — | $0 |
| Mar 15, 2026 | Stueland Katherine | CHIEF EXECUTIVE OFFICER, Director | Option exercise(M) | 12K | — | $0 |
| Mar 15, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 4K | — | $0 |
| Mar 15, 2026 | Feeley Kevin | CHIEF FINANCIAL OFFICER | Option exercise(M) | 4K | — | $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 2021-01-04 → 2026-07-20. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).