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 18, 2026 | Berard Todd | Chief Marketing Officer | Tax withholding(F) | 470 | $26.04 | $12K |
| Jun 18, 2026 | Werner Sean | Chief Technology Officer | Tax withholding(F) | 420 | $26.04 | $11K |
| Jun 18, 2026 | De Greef Roderick | President and CEO, Director | Tax withholding(F) | 3K | $26.04 | $72K |
| Jun 18, 2026 | Wichterman Troy | Chief Financial Officer | Tax withholding(F) | 937 | $26.04 | $24K |
| Jun 18, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Tax withholding(F) | 564 | $26.04 | $15K |
| Jun 8, 2026 | Berard Todd | Chief Marketing Officer | Tax withholding(F) | 356 | $26.10 | $9K |
| Jun 8, 2026 | Wichterman Troy | Chief Financial Officer | Tax withholding(F) | 1K | $26.10 | $27K |
| Jun 8, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Tax withholding(F) | 627 | $26.10 | $16K |
| May 21, 2026 | Casdin Partners Master Fund, L.P. | 10% Owner | Sell(S) | 650K | $23.70 | $15.4M |
| May 20, 2026 | Casdin Partners Master Fund, L.P. | 10% Owner | Sell(S) | 250K | $23.70 | $5.9M |
| May 19, 2026 | Casdin Partners Master Fund, L.P. | 10% Owner | Sell(S) | 300K | $22.65 | $6.8M |
| Apr 8, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Tax withholding(F) | 515 | $19.27 | $10K |
| Apr 8, 2026 | Berard Todd | Chief Marketing Officer | Tax withholding(F) | 293 | $19.27 | $6K |
| Apr 8, 2026 | Wichterman Troy | Chief Financial Officer | Tax withholding(F) | 844 | $19.27 | $16K |
| Mar 23, 2026 | Foster Karen A. | Chief Quality and Operations | Sell(S) | 3K | $19.17 | $49K |
| Mar 19, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Tax withholding(F) | 2K | $19.12 | $43K |
| Mar 19, 2026 | Foster Karen A. | Chief Quality and Operations | Tax withholding(F) | 2K | $19.12 | $36K |
| Mar 19, 2026 | Aebersold Sarah | Chief Human Resources Officer | Tax withholding(F) | 931 | $19.12 | $18K |
| Mar 19, 2026 | Wichterman Troy | Chief Financial Officer | Tax withholding(F) | 4K | $19.12 | $72K |
| Mar 19, 2026 | Werner Sean | Chief Technology Officer | Tax withholding(F) | 2K | $19.12 | $32K |
| Mar 19, 2026 | Berard Todd | Chief Marketing Officer | Tax withholding(F) | 2K | $19.12 | $36K |
| Mar 19, 2026 | De Greef Roderick | President and CEO, Director | Tax withholding(F) | 11K | $19.12 | $212K |
| Mar 9, 2026 | Foster Karen A. | Chief Quality and Operations | Sell(S) | 500 | $20.00 | $10K |
| Mar 5, 2026 | Foster Karen A. | Chief Quality and Operations | Sell(S) | 97K | $20.15 | $2.0M |
| Mar 3, 2026 | Berard Todd | Chief Marketing Officer | Sell(S) | 353 | $20.74 | $7K |
| Mar 3, 2026 | Aebersold Sarah | Chief Human Resources Officer | Sell(S) | 219 | $20.74 | $5K |
| Mar 3, 2026 | Wichterman Troy | Chief Financial Officer | Sell(S) | 588 | $20.74 | $12K |
| Mar 3, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell(S) | 529 | $20.74 | $11K |
| Mar 3, 2026 | Foster Karen A. | Chief Quality and Operations | Sell(S) | 418 | $20.74 | $9K |
| Mar 3, 2026 | Werner Sean | Chief Technology Officer | Sell(S) | 111 | $20.74 | $2K |
| Feb 24, 2026 | Goswami Joydeep | Director | Grant(A) | 8K | — | — |
| Feb 24, 2026 | Foster Karen A. | Chief Quality and Operations | Tax withholding(F) | 13K | $22.65 | $295K |
| Feb 24, 2026 | Foster Karen A. | Chief Quality and Operations | Grant(A) | 32K | — | — |
| Feb 24, 2026 | Moore Timothy L. | Director | Grant(A) | 8K | — | — |
| Feb 24, 2026 | Werner Sean | Chief Technology Officer | Grant(A) | 24K | — | — |
| Feb 24, 2026 | Aebersold Sarah | Chief Human Resources Officer | Grant(A) | 24K | — | — |
| Feb 24, 2026 | Aebersold Sarah | Chief Human Resources Officer | Tax withholding(F) | 6K | $22.65 | $130K |
| Feb 24, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Grant(A) | 20K | — | — |
| Feb 24, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Grant(A) | 40K | — | — |
| Feb 24, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Tax withholding(F) | 16K | $22.65 | $353K |
| Feb 24, 2026 | De Greef Roderick | President and CEO, Director | Tax withholding(F) | 86K | $22.65 | $2.0M |
| Feb 24, 2026 | De Greef Roderick | President and CEO, Director | Tax withholding(F) | 67K | $22.65 | $1.5M |
| Feb 24, 2026 | De Greef Roderick | President and CEO, Director | Grant(A) | 170K | — | — |
| Feb 24, 2026 | De Greef Roderick | President and CEO, Director | Grant(A) | 119K | — | — |
| Feb 24, 2026 | De Greef Roderick | President and CEO, Director | Grant(A) | 219K | — | — |
| Feb 24, 2026 | Ellingson Rachel | Director | Grant(A) | 8K | — | — |
| Feb 24, 2026 | Coste Catherine | Director | Grant(A) | 8K | — | — |
| Feb 24, 2026 | Hunt Anthony | Director | Grant(A) | 8K | — | — |
| Feb 24, 2026 | Wichterman Troy | Chief Financial Officer | Tax withholding(F) | 26K | $22.65 | $578K |
| Feb 24, 2026 | Wichterman Troy | Chief Financial Officer | Grant(A) | 65K | — | — |
| Feb 24, 2026 | Wichterman Troy | Chief Financial Officer | Grant(A) | 31K | — | — |
| Feb 24, 2026 | DuRoss Amy | Director | Grant(A) | 8K | — | — |
| Feb 24, 2026 | Berard Todd | Chief Marketing Officer | Grant(A) | 22K | — | — |
| Feb 24, 2026 | Berard Todd | Chief Marketing Officer | Tax withholding(F) | 9K | $22.65 | $200K |
| Feb 24, 2026 | Berard Todd | Chief Marketing Officer | Grant(A) | 20K | — | — |
| Jan 6, 2026 | Berard Todd | Chief Marketing Officer | Sell(S) | 344 | $25.59 | $9K |
| Jan 6, 2026 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell(S) | 405 | $25.59 | $10K |
| Jan 6, 2026 | Aebersold Sarah | Chief Human Resources Officer | Sell(S) | 241 | $25.59 | $6K |
| Jan 6, 2026 | Foster Karen A. | Chief Quality and Operations | Sell(S) | 335 | $25.59 | $9K |
| Jan 6, 2026 | Wichterman Troy | Chief Financial Officer | Sell(S) | 990 | $25.59 | $25K |
| Dec 15, 2025 | DuRoss Amy | Director | Sell(S) | 2K | $24.60 | $49K |
| Dec 15, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell(S) | 713 | $24.46 | $17K |
| Dec 9, 2025 | Foster Karen A. | Chief Quality and Operations | Sell(S) | 519 | $25.13 | $13K |
| Dec 9, 2025 | Berard Todd | Chief Marketing Officer | Sell(S) | 358 | $25.13 | $9K |
| Dec 9, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell(S) | 233 | $25.13 | $6K |
| Dec 9, 2025 | Wichterman Troy | Chief Financial Officer | Sell(S) | 1K | $25.13 | $26K |
| Dec 9, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell(S) | 631 | $25.13 | $16K |
| Dec 4, 2025 | Wichterman Troy | Chief Financial Officer | Sell(S) | 30K | $25.72 | $772K |
| Nov 26, 2025 | DuRoss Amy | Director | Sell(S) | 2K | $27.00 | $54K |
| Nov 25, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell(S) | 526 | $26.74 | $14K |
| Nov 25, 2025 | Werner Sean | Chief Technology Officer | Sell(S) | 110 | $26.74 | $3K |
| Nov 25, 2025 | Foster Karen A. | Chief Quality and Operations | Sell(S) | 415 | $26.74 | $11K |
| Nov 25, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell(S) | 217 | $26.74 | $6K |
| Nov 25, 2025 | Wichterman Troy | Chief Financial Officer | Sell(S) | 584 | $26.74 | $16K |
| Nov 25, 2025 | Berard Todd | Chief Marketing Officer | Sell(S) | 351 | $26.74 | $9K |
| Nov 25, 2025 | DuRoss Amy | Director | Sell(S) | 2K | $27.00 | $54K |
| Nov 21, 2025 | DuRoss Amy | Director | Sell(S) | 1K | $26.00 | $26K |
| Nov 20, 2025 | DuRoss Amy | Director | Sell(S) | 5K | $24.51 | $111K |
| Nov 19, 2025 | DuRoss Amy | Director | Sell(S) | 477 | $24.50 | $12K |
| Nov 13, 2025 | De Greef Roderick | President and CEO, Director | Sell(S) | 31K | $25.33 | $789K |
| Nov 12, 2025 | De Greef Roderick | President and CEO, Director | Sell(S) | 33K | $25.88 | $865K |
| Nov 11, 2025 | De Greef Roderick | President and CEO, Director | Sell(S) | 35K | $26.15 | $926K |
| Oct 24, 2025 | Goswami Joydeep | Director | Sell(S) | 2K | $28.99 | $48K |
| Oct 22, 2025 | De Greef Roderick | President and CEO, Director | Sell(S) | 38K | $27.30 | $1.0M |
| Oct 20, 2025 | Werner Sean | Chief Technology Officer | Sell(S) | 275 | $27.82 | $8K |
| Oct 16, 2025 | Goswami Joydeep | Director | Sell(S) | 1K | — | — |
| Oct 15, 2025 | Casdin Partners GP, LLC | 10% Owner | Sell(S) | 750K | $28.55 | $21.4M |
| Oct 9, 2025 | Foster Karen A. | Chief Quality and Operations | Sell(S) | 419 | $27.36 | $11K |
| Oct 9, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell(S) | 188 | $27.36 | $5K |
| Oct 9, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell(S) | 509 | $27.36 | $14K |
| Oct 9, 2025 | Berard Todd | Chief Marketing Officer | Sell(S) | 289 | $27.36 | $8K |
| Oct 9, 2025 | Wichterman Troy | Chief Financial Officer | Sell(S) | 833 | $27.36 | $23K |
| Sep 15, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell(S) | 714 | $25.61 | $18K |
| Sep 11, 2025 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell(S) | 630 | $26.83 | $17K |
| Sep 11, 2025 | Berard Todd | Chief Marketing Officer | Sell(S) | 358 | $26.83 | $10K |
| Sep 11, 2025 | Foster Karen A. | Chief Quality and Operations | Sell(S) | 511 | $26.83 | $14K |
| Sep 11, 2025 | Aebersold Sarah | Chief Human Resources Officer | Sell(S) | 233 | $26.83 | $6K |
| Sep 11, 2025 | Wichterman Troy | Chief Financial Officer | Sell(S) | 1K | $26.83 | $28K |
| Sep 11, 2025 | Werner Sean | Chief Technology Officer | Sell(S) | 72 | $26.83 | $2K |
| Aug 26, 2025 | Berard Todd | Chief Marketing Officer | Sell(S) | 354 | $25.44 | $9K |
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 → 2026-07-13. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).