| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 1, 2026 | Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | F | 447 | $290.7400 | $129.96K |
| Jul 1, 2026 | GERSTENBERG ERIC W | CO-CEO | F | 564 | $290.7400 | $163.98K |
| Jul 1, 2026 | Underwood Rebecca | PRESIDENT & EVP FACILITIES | F | 311 | $290.7400 | $90.42K |
| Jul 1, 2026 | MCKIM ALAN S | EXEC CHAIR, CTO. | F | 1,343 | $290.7400 | $390.46K |
| Jul 1, 2026 | Weber Brian P | EVP (CHESI) | F | 814 | $290.7400 | $236.66K |
| Jul 1, 2026 | Geer Charles H. II | EVP, Industrial Services | F | 40 | $290.7400 | $11.63K |
| Jul 1, 2026 | Gabriel Sharon M. | EVP/CIO (CHESI) | F | 359 | $290.7400 | $104.38K |
| Jun 1, 2026 | Diderich Jeroen | EVP&President of Sales&Service | F | 1,717 | $281.0000 | $482.48K |
| May 26, 2026 | States Lauren | Director | S | 789 | $286.1900 | $225.80K |
| May 20, 2026 | Polito Karyn | Director | A | 652 | $0.0000 | $0.00 |
| May 20, 2026 | GALANTE EDWARD G | Director | A | 652 | $0.0000 | $0.00 |
| May 20, 2026 | PRESTON JOHN T | Director | A | 652 | $0.0000 | $0.00 |
| May 20, 2026 | Quirk Alison A. | Director | A | 652 | $0.0000 | $0.00 |
| May 20, 2026 | Reed Marcy L. | Director | A | 652 | $0.0000 | $0.00 |
| May 20, 2026 | States Lauren | Director | A | 652 | $0.0000 | $0.00 |
| May 20, 2026 | Robertson Andrea | Director | A | 652 | $0.0000 | $0.00 |
| May 20, 2026 | Stewart Shelley JR | Director | A | 652 | $0.0000 | $0.00 |
| May 20, 2026 | Willett Robert | Director | A | 652 | $0.0000 | $0.00 |
| May 20, 2026 | Welch John R. | Director | A | 652 | $0.0000 | $0.00 |
| May 11, 2026 | Robertson Andrea | Director | G | 342 | $0.0000 | $0.00 |
| May 11, 2026 | Polito Karyn | Director | A | 460 | $295.1300 | $135.76K |
| May 11, 2026 | Polito Karyn | Director | P | 460 | $295.1300 | $135.76K |
| Mar 18, 2026 | GERSTENBERG ERIC W | CO-CEO | S | 1,000 | $293.0000 | $293.00K |
| Mar 18, 2026 | Reed Marcy L. | Director | S | 836 | $287.9400 | $240.72K |
| Mar 17, 2026 | Weber Brian P | EVP (CHESI) | S | 4,683 | $293.3900 | $1.37M |
| Mar 13, 2026 | Battles Michael Louis | CO-CEO | D | 2,166 | $0.0000 | $0.00 |
| Mar 13, 2026 | Battles Michael Louis | CO-CEO | F | 1,148 | $288.9300 | $331.69K |
| Mar 13, 2026 | MCKIM ALAN S | EXEC CHAIR, CTO. | F | 1,265 | $288.9300 | $365.50K |
| Mar 13, 2026 | CURTIS GEORGE L | EXEC. VICE PRESIDENT (CHESI) | D | 1,028 | $0.0000 | $0.00 |
| Mar 13, 2026 | CURTIS GEORGE L | EXEC. VICE PRESIDENT (CHESI) | F | 350 | $288.9300 | $101.13K |
| Mar 13, 2026 | Harrison Robert W. | EVP, EHS | D | 368 | $0.0000 | $0.00 |
| Mar 13, 2026 | Harrison Robert W. | EVP, EHS | F | 18 | $288.9300 | $5.20K |
| Mar 13, 2026 | Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | D | 1,324 | $0.0000 | $0.00 |
| Mar 13, 2026 | Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | F | 630 | $288.9300 | $182.03K |
| Mar 13, 2026 | Geer Charles H. II | EVP, Industrial Services | D | 139 | $0.0000 | $0.00 |
| Mar 13, 2026 | GERSTENBERG ERIC W | CO-CEO | D | 2,166 | $0.0000 | $0.00 |
| Mar 13, 2026 | GERSTENBERG ERIC W | CO-CEO | F | 977 | $288.9300 | $282.28K |
| Mar 13, 2026 | Gabriel Sharon M. | EVP/CIO (CHESI) | D | 1,401 | $0.0000 | $0.00 |
| Mar 13, 2026 | Gabriel Sharon M. | EVP/CIO (CHESI) | F | 727 | $288.9300 | $210.05K |
| Mar 13, 2026 | Underwood Rebecca | PRESIDENT & EVP FACILITIES | D | 1,401 | $0.0000 | $0.00 |
| Mar 13, 2026 | Underwood Rebecca | PRESIDENT & EVP FACILITIES | F | 125 | $288.9300 | $36.12K |
| Mar 13, 2026 | Weber Brian P | EVP (CHESI) | D | 1,869 | $0.0000 | $0.00 |
| Mar 13, 2026 | Weber Brian P | EVP (CHESI) | F | 960 | $288.9300 | $277.37K |
| Mar 4, 2026 | MCKIM ALAN S | EXEC CHAIR, CTO. | S | 100,000 | $292.6500 | $29.27M |
| Feb 23, 2026 | GERSTENBERG ERIC W | CO-CEO | S | 2,500 | $279.8600 | $699.65K |
| Feb 20, 2026 | Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | S | 2,788 | $281.3100 | $784.29K |
| Feb 20, 2026 | Gabriel Sharon M. | EVP/CIO (CHESI) | S | 3,540 | $282.0700 | $998.53K |
| Feb 19, 2026 | Welch John R. | Director | S | 750 | $273.0700 | $204.80K |
| Feb 19, 2026 | MCKIM ALAN S | EXEC CHAIR, CTO. | G | 10,000 | $0.0000 | $0.00 |
| Feb 19, 2026 | MCKIM ALAN S | EXEC CHAIR, CTO. | S | 100,000 | $281.1400 | $28.11M |