| Aug 18, 2026 (view filing)2:47 PM ET | Aug 14 | 4 days | Gerstenberg Eric WCO-CEO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −2.50K | $321.34 | −$803.4K | −4.2%56.8K after | |
| Aug 14, 2026 (view filing)9:20 AM ET | Mar 18 | 149 days | Gerstenberg Eric WCO-CEO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −1.00K | $293.00 | −$293.0K | −1.6%59.9K after | AmendedAn amended filing (for example Form 4/A or 13F-HR/A) that corrects or adds to an earlier filing. |
| Aug 14, 2026 (view filing)9:13 AM ET | Feb 23 | 172 days | Gerstenberg Eric WCO-CEO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −2.50K | $279.86 | −$699.6K | −3.8%64.0K after | AmendedAn amended filing (for example Form 4/A or 13F-HR/A) that corrects or adds to an earlier filing. |
| Aug 14, 2026 (view filing)9:03 AM ET | Feb 20 | 175 days | Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −2.79K | $281.31 | −$784.3K | −12.2%20.0K after | AmendedAn amended filing (for example Form 4/A or 13F-HR/A) that corrects or adds to an earlier filing. |
| Aug 3, 2026 (view filing)12:04 PM ET | Aug 3 | Same day | Robertson AndreaDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −789 | $314.01 | −$247.8K | −8.1%8.98K after | |
| May 27, 2026 (view filing) | May 26 | 1 day | States LaurenDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −789 | $286.19 | −$225.8K | −6.5%11.4K after | |
| May 14, 2026 (view filing) | May 11 | 3 days | Polito KarynDirector | PPurchaseThe insider bought shares with their own money, on the open market or in a private deal (for example, a company's private placement). This is the code investors watch most closely: it is money the insider chose to put in. | +460 | $295.13 | +$135.8K | +15.3%3.48K after | AmendedAn amended filing (for example Form 4/A or 13F-HR/A) that corrects or adds to an earlier filing. |
| Mar 19, 2026 (view filing) | Mar 18 | 1 day | Reed Marcy L.Director | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −836 | $287.94 | −$240.7K | −14.1%5.08K after | |
| Mar 17, 2026 (view filing) | Mar 17 | Same day | Weber Brian PEVP (CHESI) | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −4.68K | $293.39 | −$1.37M | −8.8%48.7K after | |
| Mar 5, 2026 (view filing) | Mar 4 | 1 day | McKim Alan SEXEC CHAIR, CTO. | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −100.0K | $292.65 | −$29.3M | −4.6%2.07M after | |
| Feb 23, 2026 (view filing) | Feb 19 | 4 days | McKim Alan SEXEC CHAIR, CTO. | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −100.0K | $281.14 | −$28.1M | −4.2%2.28M after | |
| Feb 20, 2026 (view filing) | Feb 20 | Same day | Gabriel Sharon M.EVP/CIO (CHESI) | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −3.54K | $282.07 | −$998.5K | −13.2%23.2K after | |
| Feb 20, 2026 (view filing) | Feb 19 | 1 day | Welch John R.Director | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −750 | $273.07 | −$204.8K | −6.8%10.2K after | |
| Dec 17, 2025 (view filing) | Dec 16 | 1 day | Gerstenberg Eric WCO-CEO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −601 | $240.90 | −$144.8K | −1.2%50.5K after | |
| Aug 4, 2025 (view filing) | Jul 31 | 4 days | Robertson AndreaDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −836 | $233.64 | −$195.3K | −7.8%9.89K after | |
| Aug 4, 2025 (view filing) | Aug 1 | 3 days | Battles Michael LouisCO-CEO | PPurchaseThe insider bought shares with their own money, on the open market or in a private deal (for example, a company's private placement). This is the code investors watch most closely: it is money the insider chose to put in. | +2.00K | $233.50 | +$467.0K | +2.5%82.9K after | |
| Jun 16, 2025 (view filing) | Jun 13 | 3 days | Weber Brian PEVP (CHESI) | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −3.04K | $227.17 | −$689.5K | −5.3%54.5K after | |
| Jun 9, 2025 (view filing) | Jun 6 | 3 days | Gerstenberg Eric WCO-CEO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −8.08K | $225.23 | −$1.82M | −13.5%51.6K after | |
| Jun 6, 2025 (view filing) | Jun 4-5 | 2 days | McKim Alan SEXEC CHAIR, CTO. | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −100.0K | $224.47 | −$22.4M | −4.2%2.30M after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average. |
| Jun 6, 2025 (view filing) | Jun 5 | 1 day | Quirk Alison A.Director | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −893 | $223.69 | −$199.8K | −23.1%2.98K after | |
| May 29, 2025 (view filing) | May 28 | 1 day | Welch John R.Director | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −1.25K | $228.51 | −$285.6K | −9.9%11.4K after | |
| May 28, 2025 (view filing) | May 27 | 1 day | Speights RobertPRESIDENT, INDUSTRIAL SERVICES | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −1.02K | $228.49 | −$233.5K | −5.9%16.3K after | |
| May 23, 2025 (view filing) | May 22 | 1 day | States LaurenDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −836 | $226.17 | −$189.1K | −6.6%11.9K after | |
| Mar 11, 2025 (view filing) | Mar 10 | 1 day | Speights RobertPRESIDENT, INDUSTRIAL SERVICES | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −2.73K | $190.44 | −$518.9K | −6.4%40.0K after | |
| Mar 11, 2025 (view filing) | Mar 10 | 1 day | Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | PPurchaseThe insider bought shares with their own money, on the open market or in a private deal (for example, a company's private placement). This is the code investors watch most closely: it is money the insider chose to put in. | +1.05K | $191.38 | +$200.9K | +4.5%24.2K after | |
| Mar 4, 2025 (view filing) | Mar 3 | 1 day | McKim Alan SEXEC CHAIR, CTO. | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −53.0K | $210.28 | −$11.1M | −2.2%2.40M after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average. |
| Feb 19, 2025 (view filing) | Feb 18 | 1 day | States LaurenDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −308 | $228.79 | −$70.5K | −2.5%11.9K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Jan 16, 2025 (view filing) | Jan 15 | 1 day | States LaurenDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −308 | $239.04 | −$73.6K | −2.5%12.2K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Dec 17, 2024 (view filing) | Dec 16 | 1 day | States LaurenDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −308 | $245.06 | −$75.5K | −2.4%12.5K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Nov 27, 2024 (view filing) | Nov 27 | Same day | Weber Brian PEVP (CHESI) | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −861 | $261.31 | −$225.0K | −1.4%59.3K after | |
| Nov 18, 2024 (view filing) | Nov 15 | 3 days | States LaurenDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −308 | $249.78 | −$76.9K | −2.3%12.8K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Nov 18, 2024 (view filing) | Nov 15 | 3 days | Gerstenberg Eric WCO-CEO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −6.05K | $250.42 | −$1.52M | −9.8%55.7K after | |
| Nov 6, 2024 (view filing) | Nov 5 | 1 day | Speights RobertPRESIDENT, INDUSTRIAL SERVICES | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −610 | $240.14 | −$146.5K | −1.5%39.2K after | |
| Oct 16, 2024 (view filing) | Oct 15 | 1 day | States LaurenDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −308 | $260.74 | −$80.3K | −2.3%13.2K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Sep 19, 2024 (view filing) | Sep 16 | 3 days | States LaurenDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −309 | $244.09 | −$75.4K | −2.2%13.5K after | AmendedAn amended filing (for example Form 4/A or 13F-HR/A) that corrects or adds to an earlier filing.10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Sep 17, 2024 (view filing) | Sep 16 | 1 day | Battles Michael LouisCO-CEO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −10.0K | $245.74 | −$2.46M | −11.5%77.1K after | |
| Aug 1, 2024 (view filing) | Aug 1 | Same day | Robertson AndreaDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −1.15K | $238.90 | −$274.3K | −10.0%10.4K after | |
| Jun 13, 2024 (view filing) | Jun 11 | 2 days | McKim Alan SEXEC CHAIR, CTO. | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −50.0K | $215.51 | −$10.8M | −2.0%2.49M after | |
| May 24, 2024 (view filing) | May 23 | 1 day | States LaurenDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −1.15K | $218.14 | −$250.4K | −7.7%13.8K after | |
| May 6, 2024 (view filing) | May 3 | 3 days | Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −6.20K | $208.74 | −$1.29M | −22.4%21.5K after | |
| Mar 28, 2024 (view filing) | Mar 27 | 1 day | Weber Brian PEVP (CHESI) | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −8.00K | $199.07 | −$1.59M | −11.3%62.8K after | |
| Mar 18, 2024 (view filing) | Mar 15 | 3 days | Gerstenberg Eric WCO-CEO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −15.3K | $187.71 | −$2.87M | −18.5%67.4K after | |
| Mar 15, 2024 (view filing) | Mar 14 | 1 day | Preston John TDirector | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −1.91K | $188.36 | −$360.3K | −28.6%4.77K after | |
| Feb 28, 2024 (view filing) | Feb 26-27 | 2 days | McKim Alan SEXEC CHAIR, CTO. | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −70.0K | $183.14 | −$12.8M | −2.5%2.69M after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average. |
| Dec 22, 2023 (view filing) | Dec 20 | 2 days | McKim Alan SEXEC CHAIR, CTO. | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −17.5K | $178.37 | −$3.11M | −0.6%2.67M after | |
| Dec 5, 2023 (view filing) | Dec 1 | 4 days | Harrison Robert W.EVP, EHS | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −122 | $166.86 | −$20.4K | −3.5%3.37K after | |
| Nov 27, 2023 (view filing) | Nov 22 | 5 days | Gerstenberg Eric WCO-CEO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −8.00K | $164.82 | −$1.32M | −10.4%68.8K after | |
| Nov 20, 2023 (view filing) | Nov 16-17 | 4 days | McKim Alan SEXEC CHAIR, CTO. | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −75.0K | $164.56 | −$12.3M | −2.7%2.69M after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average. |
| Aug 30, 2023 (view filing) | Aug 29 | 1 day | Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −3.50K | $171.00 | −$598.5K | −12.2%25.1K after | |
| Aug 28, 2023 (view filing) | Aug 25 | 3 days | Speights RobertPRESIDENT, INDUSTRIAL SERVICES | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase. | −1.98K | $171.03 | −$339.3K | −4.9%38.6K after | |
