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 20, 2026 | Mackay Sean | SVP & Chief Business Officer | Grant(A) | 500K | — | $0 |
| Jun 18, 2026 | Eloi Fenel M | Director | Grant(A) | 99K | — | $0 |
| Jun 18, 2026 | Eloi Fenel M | Director | Grant(A) | 176K | — | $0 |
| Jun 18, 2026 | Hibbs Kathy L | Director | Grant(A) | 99K | — | $0 |
| Jun 18, 2026 | Hibbs Kathy L | Director | Grant(A) | 176K | — | $0 |
| Jun 18, 2026 | Carey Thomas D. | Director | Grant(A) | 99K | — | $0 |
| Jun 18, 2026 | Carey Thomas D. | Director | Grant(A) | 264K | — | $0 |
| Jun 18, 2026 | Witney Frank | Director | Grant(A) | 99K | — | $0 |
| Jun 18, 2026 | Witney Frank | Director | Grant(A) | 176K | — | $0 |
| Jun 18, 2026 | Casdin Eli | Director, 10% Owner | Grant(A) | 99K | — | $0 |
| Jun 18, 2026 | Casdin Eli | Director, 10% Owner | Grant(A) | 176K | — | $0 |
| Jun 18, 2026 | Cox Troy | Director | Grant(A) | 99K | — | $0 |
| Jun 18, 2026 | Cox Troy | Director | Grant(A) | 176K | — | $0 |
| May 20, 2026 | Kim Hanjoon Alex | Chief Financial Officer | Tax withholding(F) | 19K | $1.00 | $19K |
| May 20, 2026 | Mackay Sean | SVP & Chief Business Officer | Tax withholding(F) | 26K | $1.00 | $26K |
| May 20, 2026 | Egholm Michael | President & CEO, Director | Tax withholding(F) | 98K | $1.00 | $98K |
| Apr 6, 2026 | Kim Hanjoon Alex | Chief Financial Officer | Option exercise(M) | 70K | — | $0 |
| Apr 6, 2026 | Kim Hanjoon Alex | Chief Financial Officer | Tax withholding(F) | 21K | $0.91 | $19K |
| Apr 6, 2026 | Kim Hanjoon Alex | Chief Financial Officer | Option exercise(M) | 70K | — | $0 |
| Apr 6, 2026 | Egholm Michael | President & CEO, Director | Option exercise(M) | 197K | — | $0 |
| Apr 6, 2026 | Egholm Michael | President & CEO, Director | Tax withholding(F) | 95K | $0.91 | $86K |
| Apr 6, 2026 | Egholm Michael | President & CEO, Director | Option exercise(M) | 197K | — | $0 |
| Mar 20, 2026 | Mackay Sean | SVP & Chief Business Officer | Grant(A) | 612K | — | $0 |
| Mar 20, 2026 | Mackay Sean | SVP & Chief Business Officer | Grant(A) | 272K | — | $0 |
| Mar 20, 2026 | Kim Hanjoon Alex | Chief Financial Officer | Grant(A) | 727K | — | $0 |
| Mar 20, 2026 | Kim Hanjoon Alex | Chief Financial Officer | Grant(A) | 323K | — | $0 |
| Mar 20, 2026 | Egholm Michael | President & CEO, Director | Grant(A) | 2.3M | — | $0 |
| Mar 20, 2026 | Egholm Michael | President & CEO, Director | Grant(A) | 1.0M | — | $0 |
| Feb 26, 2026 | Carey Thomas D. | Director | Grant(A) | 51K | $1.17 | $60K |
| Feb 26, 2026 | Cox Troy | Director | Grant(A) | 57K | $1.17 | $67K |
| Feb 26, 2026 | Casdin Eli | Director, 10% Owner | Grant(A) | 53K | $1.17 | $62K |
| Feb 23, 2026 | Kim Hanjoon Alex | Chief Financial Officer | Tax withholding(F) | 13K | $1.15 | $15K |
| Feb 23, 2026 | Mackay Sean | SVP & Chief Business Officer | Tax withholding(F) | 20K | $1.15 | $23K |
| Feb 23, 2026 | Egholm Michael | President & CEO, Director | Tax withholding(F) | 66K | $1.15 | $76K |
| Dec 4, 2025 | Casdin Private Growth Equity Fund GP, LLC | Director | Buy(P) | 150K | $1.45 | $218K |
| Dec 3, 2025 | Casdin Private Growth Equity Fund GP, LLC | Director | Buy(P) | 75K | $1.44 | $108K |
| Dec 2, 2025 | Casdin Private Growth Equity Fund GP, LLC | Director | Buy(P) | 125K | $1.42 | $178K |
| Nov 25, 2025 | Casdin Partners GP, LLC | Director, 10% Owner | Buy(P) | 7.5M | $1.30 | $9.8M |
| Nov 24, 2025 | Casdin Partners GP, LLC | Director, 10% Owner | Buy(P) | 150K | $1.43 | $215K |
| Nov 20, 2025 | Casdin Eli | Director, 10% Owner | Buy(P) | 450K | $1.30 | $585K |
| Nov 20, 2025 | Mackay Sean | SVP & Chief Business Officer | Tax withholding(F) | 20K | $1.28 | $25K |
| Nov 20, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Tax withholding(F) | 13K | $1.28 | $16K |
| Nov 20, 2025 | Egholm Michael | President & CEO, Director | Tax withholding(F) | 64K | $1.28 | $81K |
| Nov 19, 2025 | Casdin Eli | Director, 10% Owner | Buy(P) | 350K | $1.28 | $448K |
| Nov 18, 2025 | Casdin Eli | Director, 10% Owner | Buy(P) | 275K | $1.23 | $338K |
| Nov 17, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Buy(P) | 225K | $1.22 | $275K |
| Nov 14, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Buy(P) | 250K | $1.24 | $310K |
| Nov 13, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Buy(P) | 450K | $1.20 | $540K |
| Nov 12, 2025 | Casdin Partners GP, LLC | Director, 10% Owner | Buy(P) | 375K | $1.19 | $446K |
| Nov 11, 2025 | Casdin Partners GP, LLC | Director, 10% Owner | Buy(P) | 300K | $1.20 | $360K |
| Nov 10, 2025 | Casdin Partners GP, LLC | Director, 10% Owner | Buy(P) | 275K | $1.17 | $322K |
| Nov 7, 2025 | Casdin Partners GP, LLC | Director, 10% Owner | Buy(P) | 225K | $1.12 | $252K |
| Sep 9, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Buy(P) | 100K | $1.29 | $129K |
| Sep 4, 2025 | Casdin Eli | Director, 10% Owner | Buy(P) | 250K | $1.28 | $320K |
| Sep 3, 2025 | Casdin Eli | Director, 10% Owner | Buy(P) | 250K | $1.27 | $318K |
| Aug 26, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Buy(P) | 125K | $1.26 | $158K |
| Aug 25, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Buy(P) | 200K | $1.24 | $248K |
| Aug 22, 2025 | Casdin Partners Master Fund, L.P. | Director, 10% Owner | Buy(P) | 200K | $1.26 | $252K |
| Aug 20, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Tax withholding(F) | 13K | $1.27 | $16K |
| Aug 20, 2025 | Egholm Michael | President & CEO, Director | Tax withholding(F) | 55K | $1.27 | $70K |
| Aug 20, 2025 | Mackay Sean | SVP & Chief Business Officer | Tax withholding(F) | 20K | $1.27 | $25K |
| Aug 15, 2025 | Casdin Eli | Director, 10% Owner | Buy(P) | 150K | $1.22 | $183K |
| Aug 14, 2025 | Casdin Eli | Director, 10% Owner | Buy(P) | 133K | $1.21 | $161K |
| Aug 13, 2025 | Casdin Eli | Director, 10% Owner | Buy(P) | 75K | $1.31 | $98K |
| Aug 1, 2025 | Egholm Michael | President & CEO, Director | Grant(A) | 3.0M | — | $0 |
| Aug 1, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Grant(A) | 1.5M | — | $0 |
| Jun 20, 2025 | Witney Frank | Director | Grant(A) | 95K | — | $0 |
| Jun 20, 2025 | Witney Frank | Director | Grant(A) | 126K | — | $0 |
| Jun 20, 2025 | Hibbs Kathy L | Director | Grant(A) | 95K | — | $0 |
| Jun 20, 2025 | Hibbs Kathy L | Director | Grant(A) | 126K | — | $0 |
| Jun 20, 2025 | Casdin Eli | Director, 10% Owner | Grant(A) | 95K | — | $0 |
| Jun 20, 2025 | Casdin Eli | Director, 10% Owner | Grant(A) | 126K | — | $0 |
| Jun 20, 2025 | Carey Thomas D. | Director | Grant(A) | 95K | — | $0 |
| Jun 20, 2025 | Carey Thomas D. | Director | Grant(A) | 188K | — | $0 |
| Jun 20, 2025 | Eloi Fenel M | Director | Grant(A) | 95K | — | $0 |
| Jun 20, 2025 | Eloi Fenel M | Director | Grant(A) | 126K | — | $0 |
| Jun 20, 2025 | Cox Troy | Director | Grant(A) | 95K | — | $0 |
| Jun 20, 2025 | Cox Troy | Director | Grant(A) | 126K | — | $0 |
| May 28, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Tax withholding(F) | 3K | $1.09 | $3K |
| May 28, 2025 | Egholm Michael | President & CEO, Director | Tax withholding(F) | 10K | $1.09 | $11K |
| May 28, 2025 | Mackay Sean | SVP & Chief Business Officer | Tax withholding(F) | 24K | $1.09 | $26K |
| May 23, 2025 | Egholm Michael | President & CEO, Director | Sell(S) | 5K | $0.94 | $5K |
| May 23, 2025 | Mackay Sean | SVP & Chief Business Officer | Sell(S) | 13K | $0.94 | $12K |
| May 23, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Sell(S) | 1K | $0.94 | $1K |
| May 22, 2025 | Mackay Sean | SVP & Chief Business Officer | Sell(S) | 13K | $1.00 | $13K |
| May 22, 2025 | Egholm Michael | President & CEO, Director | Sell(S) | 5K | $1.00 | $5K |
| May 22, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Sell(S) | 1K | $1.00 | $1K |
| May 21, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Sell(S) | 1K | $1.03 | $1K |
| May 21, 2025 | Egholm Michael | President & CEO, Director | Sell(S) | 5K | $1.03 | $5K |
| May 21, 2025 | Mackay Sean | SVP & Chief Business Officer | Sell(S) | 13K | $1.03 | $13K |
| May 20, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Tax withholding(F) | 6K | $1.05 | $7K |
| May 20, 2025 | Egholm Michael | President & CEO, Director | Tax withholding(F) | 18K | $1.05 | $19K |
| Apr 4, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Tax withholding(F) | 21K | $1.07 | $23K |
| Apr 4, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Option exercise(M) | 70K | — | $0 |
| Apr 4, 2025 | Kim Hanjoon Alex | Chief Financial Officer | Option exercise(M) | 70K | — | $0 |
| Apr 4, 2025 | Egholm Michael | President & CEO, Director | Option exercise(M) | 197K | — | $0 |
| Apr 4, 2025 | Egholm Michael | President & CEO, Director | Tax withholding(F) | 58K | $1.07 | $62K |
| Apr 4, 2025 | Egholm Michael | President & CEO, Director | Option exercise(M) | 197K | — | $0 |
| Mar 21, 2025 | Egholm Michael | President & CEO, Director | Grant(A) | 1.2M | — | $0 |
| Mar 21, 2025 | Egholm Michael | President & CEO, Director | Grant(A) | 1.8M | — | $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 → 2026-07-11. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).