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 22, 2026 | Ciaffoni Joseph | Chief Executive Officer, Director | Option exercise(M) | 1.3M | — | — |
| Jun 22, 2026 | Ciaffoni Joseph | Chief Executive Officer, Director | Tax withholding(F) | 613K | $38.32 | $23.5M |
| Jun 22, 2026 | Ciaffoni Joseph | Chief Executive Officer, Director | Option exercise(M) | 1.3M | — | — |
| Jun 11, 2026 | Heidbreder Christian | Chief Scientific Officer | Sell(S) | 19K | $38.06 | $707K |
| Jun 8, 2026 | Preblick Ryan | Chief Financial Officer | Sell(S) | 36K | $37.70 | $1.4M |
| May 13, 2026 | Humphreys Keith | Director | Grant(A) | 7K | — | $0 |
| May 13, 2026 | Ryan Barbara | Director | Grant(A) | 7K | — | $0 |
| May 13, 2026 | Ninivaggi Daniel A | Director | Grant(A) | 7K | — | $0 |
| May 13, 2026 | Kingsley Stuart A | Director | Grant(A) | 7K | — | $0 |
| May 13, 2026 | Stejbach Mark | Director | Grant(A) | 7K | — | $0 |
| May 13, 2026 | Thompson Juliet | Director | Grant(A) | 7K | — | $0 |
| May 13, 2026 | Wheadon David E. | Director | Grant(A) | 10K | — | $0 |
| May 12, 2026 | Thompson Juliet | Director | Tax withholding(F) | 1K | $38.28 | $43K |
| Mar 14, 2026 | Preblick Ryan | Chief Financial Officer | Tax withholding(F) | 3K | $31.11 | $88K |
| Mar 14, 2026 | Preblick Ryan | Chief Financial Officer | Option exercise(M) | 6K | — | — |
| Mar 14, 2026 | Preblick Ryan | Chief Financial Officer | Option exercise(M) | 6K | — | — |
| Mar 13, 2026 | Ryan Barbara | Director | Buy(P) | 8 | $31.09 | $249 |
| Mar 9, 2026 | Ryan Barbara | Director | Buy(P) | 31 | $32.56 | $1K |
| Mar 6, 2026 | Kingsley Stuart A | Director | Buy(P) | 940 | $31.87 | $30K |
| Mar 3, 2026 | Burris Jeffrey W | Chief Legal Officer | Option exercise(M) | 80K | — | — |
| Mar 3, 2026 | Burris Jeffrey W | Chief Legal Officer | Tax withholding(F) | 36K | $31.98 | $1.2M |
| Mar 3, 2026 | Burris Jeffrey W | Chief Legal Officer | Option exercise(M) | 104K | — | — |
| Mar 3, 2026 | Anderson Woodrow D | Chief Accounting Officer | Tax withholding(F) | 8K | $31.98 | $265K |
| Mar 3, 2026 | Anderson Woodrow D | Chief Accounting Officer | Option exercise(M) | 6K | — | — |
| Mar 3, 2026 | Anderson Woodrow D | Chief Accounting Officer | Tax withholding(F) | 3K | $31.98 | $86K |
| Mar 3, 2026 | Anderson Woodrow D | Chief Accounting Officer | Option exercise(M) | 18K | — | — |
| Mar 3, 2026 | Anderson Woodrow D | Chief Accounting Officer | Option exercise(M) | 24K | — | — |
| Mar 3, 2026 | Anderson Woodrow D | Chief Accounting Officer | Option exercise(M) | 6K | — | — |
| Mar 3, 2026 | Heidbreder Christian | Chief Scientific Officer | Option exercise(M) | 102K | — | — |
| Mar 3, 2026 | Heidbreder Christian | Chief Scientific Officer | Tax withholding(F) | 46K | $31.98 | $1.5M |
| Mar 3, 2026 | Heidbreder Christian | Chief Scientific Officer | Option exercise(M) | 133K | — | — |
| Mar 3, 2026 | Preblick Ryan | Chief Financial Officer | Option exercise(M) | 87K | — | — |
| Mar 3, 2026 | Preblick Ryan | Chief Financial Officer | Tax withholding(F) | 88K | $31.98 | $2.8M |
| Mar 3, 2026 | Preblick Ryan | Chief Financial Officer | Option exercise(M) | 114K | — | — |
| Feb 10, 2026 | Ciaffoni Joseph | Chief Executive Officer, Director | Grant(A) | 80K | — | $0 |
| Feb 10, 2026 | Burris Jeffrey W | Chief Legal Officer | Grant(A) | 27K | — | $0 |
| Feb 10, 2026 | Barry Patrick A | Chief Commercial Officer | Grant(A) | 31K | — | $0 |
| Feb 10, 2026 | Anderson Woodrow D | Chief Accounting Officer | Grant(A) | 7K | — | $0 |
| Feb 10, 2026 | Heidbreder Christian | Chief Scientific Officer | Grant(A) | 34K | — | $0 |
| Feb 10, 2026 | Preblick Ryan | Chief Financial Officer | Grant(A) | 37K | — | $0 |
| Feb 9, 2026 | Burris Jeffrey W | Chief Legal Officer | Grant(A) | 104K | — | $0 |
| Feb 9, 2026 | Anderson Woodrow D | Chief Accounting Officer | Grant(A) | 24K | — | $0 |
| Feb 9, 2026 | Heidbreder Christian | Chief Scientific Officer | Grant(A) | 133K | — | $0 |
| Feb 9, 2026 | Preblick Ryan | Chief Financial Officer | Grant(A) | 114K | — | $0 |
| Jan 26, 2026 | Ninivaggi Daniel A | Director | Grant(A) | 4K | — | $0 |
| Jan 26, 2026 | Kingsley Stuart A | Director | Grant(A) | 4K | — | $0 |
| Jan 26, 2026 | Stejbach Mark | Director | Grant(A) | 4K | — | $0 |
| Jan 26, 2026 | Thompson Juliet | Director | Grant(A) | 4K | — | $0 |
| Jan 26, 2026 | Wheadon David E. | Director | Grant(A) | 6K | — | $0 |
| Jan 26, 2026 | Ryan Barbara | Director | Grant(A) | 4K | — | $0 |
| Jan 26, 2026 | Humphreys Keith | Director | Grant(A) | 4K | — | $0 |
| Jan 5, 2026 | Ninivaggi Daniel A | Director | Buy(P) | 775 | $35.39 | $27K |
| Jan 5, 2026 | Stejbach Mark | Director | Buy(P) | 775 | $35.39 | $27K |
| Jan 5, 2026 | Wheadon David E. | Director | Buy(P) | 2K | $35.39 | $63K |
| Jan 5, 2026 | Ryan Barbara | Director | Buy(P) | 775 | $35.39 | $27K |
| Jan 5, 2026 | Humphreys Keith | Director | Buy(P) | 775 | $35.39 | $27K |
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).