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 2, 2026 | Koch Lori | CEO, Director | Sell(S) | 261 | $48.82 | $13K |
| May 31, 2026 | Franzen Antonella B | SVP & CFO | Tax withholding(F) | 2K | $48.03 | $75K |
| May 31, 2026 | Koch Lori | CEO, Director | Tax withholding(F) | 5K | $48.03 | $224K |
| May 29, 2026 | Cutler Alexander M | Director | Grant(A) | 1K | $48.42 | $50K |
| May 29, 2026 | Lowery Frederick M. | Director | Grant(A) | 800 | $48.42 | $39K |
| May 29, 2026 | Macpherson Donald G | Director | Grant(A) | 671 | $48.42 | $33K |
| May 21, 2026 | Brady Amy G. | Director | Grant(A) | 4K | — | $0 |
| May 21, 2026 | Chandy Ruby R | Director | Grant(A) | 4K | — | $0 |
| May 21, 2026 | Breen Edward D | Director | Grant(A) | 4K | — | $0 |
| May 21, 2026 | Lico James A | Director | Grant(A) | 4K | — | $0 |
| May 21, 2026 | Lowery Frederick M. | Director | Grant(A) | 4K | — | $0 |
| May 21, 2026 | McMaken Kurt B | Director | Grant(A) | 4K | — | $0 |
| May 21, 2026 | Macpherson Donald G | Director | Grant(A) | 4K | — | $0 |
| May 21, 2026 | Cutler Alexander M | Director | Grant(A) | 4K | — | $0 |
| May 21, 2026 | du Pont Eleuthere I | Director | Grant(A) | 4K | — | $0 |
| May 4, 2026 | Breen Edward D | Director | Tax withholding(F) | 12K | $45.54 | $525K |
| May 4, 2026 | Raia Christopher | Senior Vice President & CHRO | Tax withholding(F) | 1K | $45.54 | $58K |
| May 4, 2026 | Koch Lori | CEO, Director | Tax withholding(F) | 3K | $45.54 | $139K |
| May 4, 2026 | Hoover Erik T. | SVP & General Counsel | Tax withholding(F) | 2K | $45.54 | $69K |
| May 4, 2026 | Franzen Antonella B | SVP & CFO | Tax withholding(F) | 246 | $45.54 | $11K |
| Feb 27, 2026 | Macpherson Donald G | Director | Grant(A) | 216 | $50.04 | $11K |
| Feb 27, 2026 | Lowery Frederick M. | Director | Grant(A) | 774 | $50.04 | $39K |
| Feb 27, 2026 | Cutler Alexander M | Director | Grant(A) | 999 | $50.04 | $50K |
| Feb 21, 2026 | Breen Edward D | Director | Tax withholding(F) | 9K | $50.36 | $439K |
| Feb 21, 2026 | Raia Christopher | Senior Vice President & CHRO | Tax withholding(F) | 2K | $50.36 | $114K |
| Feb 21, 2026 | Abbott Matthew S | SVP, CIO | Tax withholding(F) | 805 | $50.36 | $41K |
| Feb 21, 2026 | Koch Lori | CEO, Director | Tax withholding(F) | 8K | $50.36 | $409K |
| Feb 21, 2026 | Franzen Antonella B | SVP & CFO | Tax withholding(F) | 2K | $50.36 | $82K |
| Feb 21, 2026 | Bloemhard Jeroen | President, HC and Water Tech | Tax withholding(F) | 1K | $50.36 | $52K |
| Feb 21, 2026 | Hoover Erik T. | SVP & General Counsel | Tax withholding(F) | 3K | $50.36 | $130K |
| Feb 20, 2026 | Raia Christopher | Senior Vice President & CHRO | Grant(A) | 10K | — | $0 |
| Feb 20, 2026 | Barber Madeleine G | VP Chief Accounting Officer | Grant(A) | 3K | — | $0 |
| Feb 20, 2026 | Abbott Matthew S | SVP, CIO | Grant(A) | 5K | — | $0 |
| Feb 20, 2026 | Koch Lori | CEO, Director | Grant(A) | 79K | — | $0 |
| Feb 20, 2026 | Ferreira Beth | President, Diversified Indstrl | Grant(A) | 10K | — | $0 |
| Feb 20, 2026 | Franzen Antonella B | SVP & CFO | Grant(A) | 20K | — | $0 |
| Feb 20, 2026 | Bloemhard Jeroen | President, HC and Water Tech | Grant(A) | 10K | — | $0 |
| Feb 20, 2026 | Hoover Erik T. | SVP & General Counsel | Grant(A) | 12K | — | $0 |
| Feb 19, 2026 | Macpherson Donald G | Director | Grant(A) | 946 | — | $0 |
| Feb 15, 2026 | Bloemhard Jeroen | President, HC and Water Tech | Tax withholding(F) | 259 | $49.60 | $13K |
| Feb 15, 2026 | Franzen Antonella B | SVP & CFO | Tax withholding(F) | 148 | $49.60 | $7K |
| Feb 15, 2026 | Hoover Erik T. | SVP & General Counsel | Tax withholding(F) | 1K | $49.60 | $53K |
| Feb 15, 2026 | Koch Lori | CEO, Director | Tax withholding(F) | 2K | $49.60 | $98K |
| Feb 15, 2026 | Raia Christopher | Senior Vice President & CHRO | Tax withholding(F) | 920 | $49.60 | $46K |
| Feb 15, 2026 | Breen Edward D | Director | Tax withholding(F) | 8K | $49.60 | $375K |
| Dec 31, 2025 | Franzen Antonella B | SVP & CFO | Tax withholding(F) | 536 | $40.40 | $22K |
| Dec 31, 2025 | Hoover Erik T. | SVP & General Counsel | Tax withholding(F) | 3K | $40.40 | $135K |
| Dec 31, 2025 | Koch Lori | CEO, Director | Tax withholding(F) | 7K | $40.40 | $271K |
| Dec 31, 2025 | Raia Christopher | Senior Vice President & CHRO | Tax withholding(F) | 3K | $40.40 | $113K |
| Dec 31, 2025 | Breen Edward D | Director | Tax withholding(F) | 25K | $40.40 | $993K |
| Dec 17, 2025 | Breen Edward D | Executive Chair, Director | Tax withholding(F) | 6K | $40.61 | $246K |
| Nov 28, 2025 | Koch Lori | CEO, Director | Sell(S) | 9K | $39.46 | $356K |
| Nov 28, 2025 | Koch Lori | CEO, Director | Option exercise(M) | 9K | $28.00 | $252K |
| Nov 28, 2025 | Koch Lori | CEO, Director | Option exercise(M) | 9K | — | $0 |
| Nov 28, 2025 | Hoover Erik T. | SVP & General Counsel | Sell(S) | 6K | $39.79 | $239K |
| Nov 28, 2025 | Hoover Erik T. | SVP & General Counsel | Option exercise(M) | 6K | $28.00 | $168K |
| Nov 28, 2025 | Hoover Erik T. | SVP & General Counsel | Option exercise(M) | 6K | — | $0 |
| Nov 26, 2025 | Brady Amy G. | Director | Grant(A) | 206 | $39.44 | $8K |
| Nov 26, 2025 | Cutler Alexander M | Director | Grant(A) | 1K | $39.44 | $50K |
| Nov 26, 2025 | Lowery Frederick M. | Director | Grant(A) | 983 | $39.44 | $39K |
| Nov 1, 2025 | Larrabee Steven P. | SVP & CIO | Tax withholding(F) | 6K | $34.12 | $218K |
| Oct 31, 2025 | Koch Lori | CEO, Director | Grant(A) | 99K | — | $0 |
| Oct 31, 2025 | Franzen Antonella B | SVP & CFO | Grant(A) | 21K | — | $0 |
| Oct 31, 2025 | Raia Christopher | Senior Vice President & CHRO | Grant(A) | 19K | — | $0 |
| Oct 31, 2025 | Breen Edward D | Executive Chair, Director | Grant(A) | 192K | — | $0 |
| Oct 31, 2025 | Hoover Erik T. | SVP & General Counsel | Grant(A) | 23K | — | $0 |
| Oct 31, 2025 | Larrabee Steven P. | SVP & CIO | Grant(A) | 13K | — | $0 |
| Sep 15, 2025 | Larrabee Steven P. | SVP & CIO | Option exercise(M) | 14K | $53.50 | $726K |
| Sep 15, 2025 | Larrabee Steven P. | SVP & CIO | Sell(S) | 4K | $76.98 | $308K |
| Sep 15, 2025 | Larrabee Steven P. | SVP & CIO | Sell(S) | 39K | $77.19 | $3.0M |
| Sep 15, 2025 | Larrabee Steven P. | SVP & CIO | Option exercise(M) | 26K | $66.06 | $1.7M |
| Sep 15, 2025 | Larrabee Steven P. | SVP & CIO | Option exercise(M) | 26K | — | $0 |
| Sep 15, 2025 | Larrabee Steven P. | SVP & CIO | Option exercise(M) | 14K | — | $0 |
| Sep 5, 2025 | Larrabee Steven P. | SVP & CIO | Sell(S) | 6K | $78.00 | $468K |
| Sep 4, 2025 | Larrabee Steven P. | SVP & CIO | Option exercise(M) | 25K | $66.06 | $1.7M |
| Sep 4, 2025 | Larrabee Steven P. | SVP & CIO | Sell(S) | 25K | $76.50 | $1.9M |
| Sep 4, 2025 | Larrabee Steven P. | SVP & CIO | Option exercise(M) | 25K | — | $0 |
| Aug 29, 2025 | Brady Amy G. | Director | Grant(A) | 106 | $76.92 | $8K |
| Aug 29, 2025 | Curtin Terrence R | Director | Grant(A) | 423 | $76.92 | $33K |
| Aug 29, 2025 | Cutler Alexander M | Director | Grant(A) | 650 | $76.92 | $50K |
| Aug 29, 2025 | Lowery Frederick M. | Director | Grant(A) | 504 | $76.92 | $39K |
| Aug 20, 2025 | Breen Edward D | Executive Chair, Director | Gift(G) | 28K | — | $0 |
| Aug 12, 2025 | Breen Edward D | Executive Chair, Director | Gift(G) | 14K | — | $0 |
| May 31, 2025 | Koch Lori | CEO, Director | Tax withholding(F) | 5K | $67.20 | $307K |
| May 31, 2025 | Franzen Antonella B | SVP & CFO | Tax withholding(F) | 2K | $67.20 | $102K |
| May 30, 2025 | Brady Amy G. | Director | Grant(A) | 122 | $66.80 | $8K |
| May 30, 2025 | Curtin Terrence R | Director | Grant(A) | 487 | $66.80 | $33K |
| May 30, 2025 | Cutler Alexander M | Director | Grant(A) | 749 | $66.80 | $50K |
| May 30, 2025 | Lowery Frederick M. | Director | Grant(A) | 580 | $66.80 | $39K |
| May 22, 2025 | Brady Amy G. | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | Chandy Ruby R | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | Curtin Terrence R | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | Cutler Alexander M | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | du Pont Eleuthere I | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | Johnson Kristina M | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | Kissam Luther C IV | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | Lico James A | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | Lowery Frederick M. | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | McMaken Kurt B | Director | Grant(A) | 3K | — | $0 |
| May 22, 2025 | Sterin Steven | Director | Grant(A) | 3K | — | $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 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).