Insider Trading › CLH › Insiders
CLEAN HARBORS INC
CLH·NYSE·
United States·Insider activity
United States·Insider activity$318.06
-4.31 (-1.34%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
CLH
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CLHS&P 500 (rebased)
Insider BuyInsider SellForm 144 · planned sale
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
In the last 180 days, CLH insiders filed 0 purchases ($0) and 3 sales ($1.3M) on the open market, by 3 insiders. Newest filing Aug 18, 2026 (1 month ago).
Net Insider Buying by Quarter
Shares bought (+) or sold (−) on the open market by CLH insiders · Form 4 · last two years
On Record
$0Purchases · 180 days
$1.3MSales · 180 days
392Open-market transactions on record
3Insiders filing · 180 days
Purchases (code P) and sales (code S) of CLH common stock reported on Form 4, with Form 5 annual catch-ups. Grants, option exercises, gifts and tax withholding are not shown. Dollars are shares × the stated price; a price outside anything the stock traded at that day is withheld (n/c).
Insider Transactions
392 on record · newest trade first · the newest 300 shown
AllPurchasesSalesOfficers & directors
| Insider | Type | Shares | Price | Value | Held after | Traded | Filed | |
|---|---|---|---|---|---|---|---|---|
| GERSTENBERG ERIC WCO-CEO | Sale | −2,500 | $321.34 | $803K | 56.8Kdirect | Aug 14, 2026 | Aug 18, 2026 | Form 4 ↗ |
| Robertson AndreaDirector · Director | Sale | −789 | $314.01 | $248K | 8,979direct | Aug 3, 2026 | Aug 3, 2026 | Form 4 ↗ |
| States LaurenDirector | Sale | −789 | $286.19 | $226K | 11.4Kdirect | May 26, 2026 | May 27, 2026 | Form 4 ↗ |
| Polito KarynDirector | Purchase Amended | +460 | $295.13 | $136K | 3,475direct | May 11, 2026 | May 14, 2026 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale Amended | −1,000 | $293.00 | $293K | 59.9Kdirect | Mar 18, 2026 | Aug 14, 2026 | Form 4 ↗ |
| Reed Marcy L.Director | Sale | −836 | $287.94 | $241K | 5,081direct | Mar 18, 2026 | Mar 19, 2026 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale | −1,000 | $293.00 | $293K | 38.9Kdirect | Mar 18, 2026 | Mar 19, 2026 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −4,683 | $293.39 | $1.4M | 48.7Kdirect | Mar 17, 2026 | Mar 17, 2026 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −100.0K | $292.65 | $29.3M | 2.1Mindirect | Mar 4, 2026 | Mar 5, 2026 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale Amended | −2,500 | $279.86 | $700K | 64.0Kdirect | Feb 23, 2026 | Aug 14, 2026 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale | −2,500 | $279.86 | $700K | 43.0Kdirect | Feb 23, 2026 | Feb 24, 2026 | Form 4 ↗ |
| Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | Sale Amended | −2,788 | $281.31 | $784K | 20.0Kdirect | Feb 20, 2026 | Aug 14, 2026 | Form 4 ↗ |
| Gabriel Sharon M.EVP/CIO (CHESI) | Sale | −3,540 | $282.07 | $999K | 23.2Kdirect | Feb 20, 2026 | Feb 20, 2026 | Form 4 ↗ |
| Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | Sale | −2,788 | $281.31 | $784K | 15.9Kdirect | Feb 20, 2026 | Feb 20, 2026 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −100.0K | $281.14 | $28.1M | 2.3Mindirect | Feb 19, 2026 | Feb 23, 2026 | Form 4 ↗ |
| Welch John R.Director | Sale | −750 | $273.07 | $205K | 10.2Kdirect | Feb 19, 2026 | Feb 20, 2026 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale | −601 | $240.90 | $145K | 50.5Kdirect | Dec 16, 2025 | Dec 17, 2025 | Form 4 ↗ |
| Battles Michael LouisCO-CEO · Director | Purchase | +2,000 | $233.50 | $467K | 82.9Kdirect | Aug 1, 2025 | Aug 4, 2025 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −836 | $233.64 | $195K | 9,888direct | Jul 31, 2025 | Aug 4, 2025 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −3,035 | $227.17 | $689K | 54.5Kdirect | Jun 13, 2025 | Jun 16, 2025 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale | −8,076 | $225.23 | $1.8M | 51.6Kdirect | Jun 6, 2025 | Jun 9, 2025 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −58.2K | $223.80 | $13.0M | 2.3Mindirect | Jun 5, 2025 | Jun 6, 2025 | Form 4 ↗ |
| Quirk Alison A.Director | Sale | −893 | $223.69 | $200K | 2,978direct | Jun 5, 2025 | Jun 6, 2025 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −41.8K | $225.40 | $9.4M | 2.4Mindirect | Jun 4, 2025 | Jun 6, 2025 | Form 4 ↗ |
| Welch John R.Director | Sale | −1,250 | $228.51 | $286K | 11.4Kdirect | May 28, 2025 | May 29, 2025 | Form 4 ↗ |
| Speights RobertPRESIDENT, INDUSTRIAL SERVICES | Sale | −1,022 | $228.49 | $234K | 16.3Kdirect | May 27, 2025 | May 28, 2025 | Form 4 ↗ |
| States LaurenDirector | Sale | −836 | $226.17 | $189K | 11.9Kdirect | May 22, 2025 | May 23, 2025 | Form 4 ↗ |
| Speights RobertPRESIDENT, INDUSTRIAL SERVICES | Sale | −2,725 | $190.44 | $519K | 40.0Kdirect | Mar 10, 2025 | Mar 11, 2025 | Form 4 ↗ |
| Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | Purchase | +1,050 | $191.38 | $201K | 24.2Kdirect | Mar 10, 2025 | Mar 11, 2025 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −2,999 | $212.02 | $636K | 2.4Mindirect | Mar 3, 2025 | Mar 4, 2025 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −50.0K | $210.18 | $10.5M | 2.4Mindirect | Mar 3, 2025 | Mar 4, 2025 | Form 4 ↗ |
| States LaurenDirector | Sale | −308 | $228.79 | $70K | 11.9Kdirect | Feb 18, 2025 | Feb 19, 2025 | Form 4 ↗ |
| States LaurenDirector | Sale | −308 | $239.04 | $74K | 12.2Kdirect | Jan 15, 2025 | Jan 16, 2025 | Form 4 ↗ |
| States LaurenDirector | Sale | −308 | $245.06 | $75K | 12.5Kdirect | Dec 16, 2024 | Dec 17, 2024 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −861 | $261.31 | $225K | 59.3Kdirect | Nov 27, 2024 | Nov 27, 2024 | Form 4 ↗ |
| States LaurenDirector | Sale | −308 | $249.78 | $77K | 12.8Kdirect | Nov 15, 2024 | Nov 18, 2024 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale | −6,051 | $250.42 | $1.5M | 55.7Kdirect | Nov 15, 2024 | Nov 18, 2024 | Form 4 ↗ |
| Speights RobertPRESIDENT, INDUSTRIAL SERVICES | Sale | −610 | $240.14 | $146K | 39.2Kdirect | Nov 5, 2024 | Nov 6, 2024 | Form 4 ↗ |
| States LaurenDirector | Sale | −308 | $260.74 | $80K | 13.2Kdirect | Oct 15, 2024 | Oct 16, 2024 | Form 4 ↗ |
| States LaurenDirector | Sale Amended | −309 | $244.09 | $75K | 13.5Kdirect | Sep 16, 2024 | Sep 19, 2024 | Form 4 ↗ |
| States LaurenDirector | Sale | −309 | $244.09 | $75K | 13.5Kdirect | Sep 16, 2024 | Sep 17, 2024 | Form 4 ↗ |
| Battles Michael LouisCO-CEO | Sale | −10.0K | $245.74 | $2.5M | 77.1Kdirect | Sep 16, 2024 | Sep 17, 2024 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,148 | $238.90 | $274K | 10.4Kdirect | Aug 1, 2024 | Aug 1, 2024 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −50.0K | $215.51 | $10.8M | 2.5Mindirect | Jun 11, 2024 | Jun 13, 2024 | Form 4 ↗ |
| States LaurenDirector | Sale | −1,148 | $218.14 | $250K | 13.8Kdirect | May 23, 2024 | May 24, 2024 | Form 4 ↗ |
| Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | Sale | −6,200 | $208.74 | $1.3M | 21.5Kdirect | May 3, 2024 | May 6, 2024 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −7,996 | $199.07 | $1.6M | 62.8Kdirect | Mar 27, 2024 | Mar 28, 2024 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale | −15.3K | $187.71 | $2.9M | 67.4Kdirect | Mar 15, 2024 | Mar 18, 2024 | Form 4 ↗ |
| PRESTON JOHN TDirector | Sale | −1,913 | $188.36 | $360K | 4,767direct | Mar 14, 2024 | Mar 15, 2024 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −35.0K | $182.22 | $6.4M | 2.7Mindirect | Feb 27, 2024 | Feb 28, 2024 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −35.0K | $184.06 | $6.4M | 2.7Mindirect | Feb 26, 2024 | Feb 28, 2024 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −17.5K | $178.37 | $3.1M | 2.7Mindirect | Dec 20, 2023 | Dec 22, 2023 | Form 4 ↗ |
| Harrison Robert W.EVP, EHS | Sale | −122 | $166.86 | $20K | 3,369direct | Dec 1, 2023 | Dec 5, 2023 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale | −8,000 | $164.82 | $1.3M | 68.8Kdirect | Nov 22, 2023 | Nov 27, 2023 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −46.6K | $164.60 | $7.7M | 2.7Mindirect | Nov 17, 2023 | Nov 20, 2023 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −28.4K | $164.50 | $4.7M | 2.7Mindirect | Nov 16, 2023 | Nov 20, 2023 | Form 4 ↗ |
| Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | Sale | −3,500 | $171.00 | $599K | 25.1Kdirect | Aug 29, 2023 | Aug 30, 2023 | Form 4 ↗ |
| Speights RobertPRESIDENT, INDUSTRIAL SERVICES | Sale | −1,984 | $171.03 | $339K | 38.6Kdirect | Aug 25, 2023 | Aug 28, 2023 | Form 4 ↗ |
| CURTIS GEORGE LEXEC. VICE PRESIDENT (CHESI) | Sale | −10.3K | $171.54 | $1.8M | 48.1Kdirect | Aug 23, 2023 | Aug 24, 2023 | Form 4 ↗ |
| PRESTON JOHN TDirector | Sale | −2,095 | $173.68 | $364K | 6,680direct | Aug 16, 2023 | Aug 17, 2023 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,200 | $169.08 | $203K | 10.7Kdirect | Aug 8, 2023 | Aug 8, 2023 | Form 4 ↗ |
| Battles Michael LouisCO-CEO | Sale | −10.0K | $171.00 | $1.7M | 74.5Kdirect | Aug 4, 2023 | Aug 4, 2023 | Form 4 ↗ |
| Gabriel Sharon M.EVP/CIO (CHESI) | Sale | −557 | $164.43 | $92K | 25.3Kdirect | Jul 3, 2023 | Jul 6, 2023 | Form 4 ↗ |
| Speights RobertPRESIDENT, INDUSTRIAL SERVICES | Sale | −825 | $164.43 | $136K | 40.6Kdirect | Jul 3, 2023 | Jul 6, 2023 | Form 4 ↗ |
| GERSTENBERG ERIC WCO-CEO | Sale | −9,725 | $164.43 | $1.6M | 77.5Kdirect | Jul 3, 2023 | Jul 6, 2023 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −1,966 | $164.43 | $323K | 67.9Kdirect | Jul 3, 2023 | Jul 6, 2023 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −1,231 | $164.43 | $202K | 2.8Mdirect | Jul 3, 2023 | Jul 6, 2023 | Form 4 ↗ |
| Dugas Eric J.SVP FINANCE, CONTROLLER & CAO | Sale | −898 | $164.43 | $148K | 28.6Kdirect | Jul 3, 2023 | Jul 6, 2023 | Form 4 ↗ |
| CURTIS GEORGE LEXEC. VICE PRESIDENT (CHESI) | Sale | −717 | $164.43 | $118K | 58.4Kdirect | Jul 3, 2023 | Jul 6, 2023 | Form 4 ↗ |
| Battles Michael LouisCO-CEO | Sale | −6,467 | $164.43 | $1.1M | 84.5Kdirect | Jul 3, 2023 | Jul 6, 2023 | Form 4 ↗ |
| Gabriel Sharon M.EVP/CIO (CHESI) | Sale | −3,235 | $155.71 | $504K | 25.8Kdirect | Jun 9, 2023 | Jun 12, 2023 | Form 4 ↗ |
| BANUCCI EUGENE GDirector | Sale | −5,020 | $156.09 | $784K | 5,598direct | Jun 9, 2023 | Jun 12, 2023 | Form 4 ↗ |
| Welch John R.Director | Sale | −1,000 | $150.43 | $150K | 12.4Kdirect | Jun 2, 2023 | Jun 5, 2023 | Form 4 ↗ |
| BANUCCI EUGENE GDirector | Sale | −10.0K | $144.59 | $1.4M | 10.6Kdirect | May 26, 2023 | May 31, 2023 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −3,131 | $142.63 | $447K | 69.8Kdirect | May 25, 2023 | May 30, 2023 | Form 4 ↗ |
| McDuffie MelkeyaEVP, HUMAN RESOURCES OFFICER | Sale | −714 | $144.29 | $103K | 10.1Kdirect | May 24, 2023 | May 26, 2023 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −53.8K | $139.02 | $7.5M | 2.8Mdirect | May 16, 2023 | May 17, 2023 | Form 4 ↗ |
| MCKIM ALAN SEXEC CHAIR, CTO. · Director | Sale | −16.2K | $139.60 | $2.3M | 2.9Mdirect | May 15, 2023 | May 17, 2023 | Form 4 ↗ |
| States LaurenDirector | Sale | −510 | $136.13 | $69K | 13.4Kdirect | May 4, 2023 | May 5, 2023 | Form 4 ↗ |
| Gabriel Sharon M.EVP/CIO (CHESI) | Sale | −196 | $142.56 | $28K | 29.1Kdirect | Apr 1, 2023 | Apr 4, 2023 | Form 4 ↗ |
| Dugas Eric J.SVP FINANCE, CONTROLLER & CAO | Sale | −346 | $142.56 | $49K | 30.2Kdirect | Apr 1, 2023 | Apr 4, 2023 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −2,000 | $134.42 | $269K | 28.9Kdirect | Mar 27, 2023 | Mar 29, 2023 | Form 4 ↗ |
| Battles Michael LouisEVP AND CFO | Sale | −644 | $133.07 | $86K | 90.9Kdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| CURTIS GEORGE LEXEC. VICE PRESIDENT (CHESI) | Sale | −221 | $133.07 | $29K | 59.1Kdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| Dugas Eric J.SVP FINANCE, CONTROLLER & CAO | Sale | −305 | $133.07 | $41K | 30.5Kdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| Gabriel Sharon M.EVP/CIO (CHESI) | Sale | −274 | $133.07 | $36K | 29.3Kdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| GERSTENBERG ERIC WCHIEF OPERATING OFFICER(CHESI) | Sale | −488 | $133.07 | $65K | 87.3Kdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| McDuffie MelkeyaEVP, HUMAN RESOURCES OFFICER | Sale | −231 | $133.07 | $31K | 10.8Kdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| MCKIM ALAN SCHRMN.OF BD, PRES. & CEO · Director | Sale | −1,161 | $133.07 | $154K | 3.0Mdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| Speights RobertPRESIDENT, INDUSTRIAL SERVICES | Sale | −1,363 | $133.07 | $181K | 41.4Kdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −290 | $133.07 | $39K | 30.9Kdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −527 | $133.07 | $70K | 73.0Kdirect | Mar 15, 2023 | Mar 17, 2023 | Form 4 ↗ |
| Gabriel Sharon M.EVP/CIO (CHESI) | Sale | −3,810 | $138.92 | $529K | 29.6Kdirect | Mar 9, 2023 | Mar 13, 2023 | Form 4 ↗ |
| BANUCCI EUGENE GDirector | Sale | −5,000 | $133.97 | $670K | 20.6Kdirect | Mar 7, 2023 | Mar 8, 2023 | Form 4 ↗ |
| PRESTON JOHN TDirector | Sale | −3,750 | $134.90 | $506K | 7,627direct | Mar 2, 2023 | Mar 3, 2023 | Form 4 ↗ |
| Speights RobertPRESIDENT, INDUSTRIAL SERVICES | Sale | −3,327 | $113.71 | $378K | 36.3Kdirect | Dec 29, 2022 | Dec 30, 2022 | Form 4 ↗ |
| GERSTENBERG ERIC WCHIEF OPERATING OFFICER(CHESI) | Sale | −16.4K | $116.02 | $1.9M | 61.3Kdirect | Dec 21, 2022 | Dec 22, 2022 | Form 4 ↗ |
| Dugas Eric J.SVP FINANCE, CONTROLLER & CAO | Sale | −3,274 | $122.39 | $401K | 26.3Kdirect | Dec 13, 2022 | Dec 14, 2022 | Form 4 ↗ |
| MCKIM ALAN SCHRMN.OF BD, PRES. & CEO · Director | Sale | −40.0K | $120.45 | $4.8M | 3.1Mdirect | Nov 28, 2022 | Nov 29, 2022 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −2,003 | $122.42 | $245K | 62.1Kdirect | Sep 9, 2022 | Sep 12, 2022 | Form 4 ↗ |
| PRESTON JOHN TDirector | Sale | −2,168 | $111.50 | $242K | 11.4Kdirect | Aug 8, 2022 | Aug 9, 2022 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,095 | $106.37 | $116K | 10.7Kdirect | Aug 5, 2022 | Aug 8, 2022 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Purchase | +2,000 | $88.35 | $177K | 70.4Kdirect | May 12, 2022 | May 12, 2022 | Form 4 ↗ |
| States LaurenDirector | Sale | −750 | $90.68 | $68K | 12.3Kdirect | May 10, 2022 | May 11, 2022 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer(CHESI) | Sale | −6,927 | $106.62 | $739K | 90.8Kdirect | Mar 25, 2022 | Mar 28, 2022 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −20.2K | $109.04 | $2.2M | 3.1Mdirect | Mar 18, 2022 | Mar 21, 2022 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −30.0K | $109.51 | $3.3M | 3.1Mdirect | Mar 17, 2022 | Mar 21, 2022 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,000 | $95.30 | $95K | 10.5Kdirect | Feb 25, 2022 | Feb 28, 2022 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −2,390 | $98.90 | $236K | 59.3Kdirect | Dec 30, 2021 | Dec 30, 2021 | Form 4 ↗ |
| Speights RobertPresident, Industrial Services | Sale | −2,118 | $99.02 | $210K | 30.0Kdirect | Dec 10, 2021 | Dec 14, 2021 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Sale | −1,000 | $100.55 | $101K | 2,853direct | Dec 1, 2021 | Dec 6, 2021 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Sale | −458 | $109.47 | $50K | 3,853direct | Nov 23, 2021 | Dec 6, 2021 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Sale | −503 | $109.22 | $55K | 5,311direct | Nov 23, 2021 | Nov 24, 2021 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Sale | −1,000 | $108.56 | $109K | 4,311direct | Nov 19, 2021 | Dec 6, 2021 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −2,519 | $101.42 | $255K | 58.3Kdirect | Sep 10, 2021 | Sep 13, 2021 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −1,152 | $102.42 | $118K | 3.2Mdirect | Sep 1, 2021 | Sep 1, 2021 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −16.8K | $102.58 | $1.7M | 3.2Mdirect | Aug 31, 2021 | Sep 1, 2021 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −12.0K | $102.68 | $1.2M | 3.2Mdirect | Aug 30, 2021 | Sep 1, 2021 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −25.0K | $101.76 | $2.5M | 3.2Mdirect | Aug 25, 2021 | Aug 26, 2021 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −5,000 | $101.75 | $509K | 57.4Kdirect | Aug 23, 2021 | Aug 24, 2021 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer(CHESI) | Sale | −18.0K | $100.28 | $1.8M | 76.3Kdirect | Aug 20, 2021 | Aug 23, 2021 | Form 4 ↗ |
| Dugas Eric J.SVP Finance, Controller & CAO | Sale | −2,000 | $102.99 | $206K | 21.5Kdirect | Aug 12, 2021 | Aug 13, 2021 | Form 4 ↗ |
| Welch John R.Director | Sale | −5,500 | $99.05 | $545K | 10.2Kdirect | Aug 5, 2021 | Aug 9, 2021 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −2,168 | $99.14 | $215K | 11.2Kdirect | Aug 5, 2021 | Aug 6, 2021 | Form 4 ↗ |
| Marlin RodDirector | Sale | −6,910 | $95.40 | $659K | 14.4Kdirect | May 10, 2021 | May 12, 2021 | Form 4 ↗ |
| Speights RobertPresident, Industrial Services | Sale | −1,007 | $84.34 | $85K | 20.6Kdirect | Mar 31, 2021 | Apr 2, 2021 | Form 4 ↗ |
| Marlin RodDirector | Sale | −808 | $89.08 | $72K | 0indirect | Mar 18, 2021 | Mar 22, 2021 | Form 4 ↗ |
| Marlin RodDirector | Sale | −88 | $89.08 | $8K | 0indirect | Mar 18, 2021 | Mar 22, 2021 | Form 4 ↗ |
| Marlin RodDirector | Sale | −4,342 | $89.08 | $387K | 2,000indirect | Mar 18, 2021 | Mar 22, 2021 | Form 4 ↗ |
| Marlin RodDirector | Sale | −9,603 | $89.08 | $855K | 21.3Kdirect | Mar 18, 2021 | Mar 22, 2021 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −4,557 | $88.32 | $402K | 25.0Kdirect | Mar 15, 2021 | Mar 17, 2021 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −10.0K | $86.39 | $864K | 61.9Kdirect | Mar 5, 2021 | Mar 5, 2021 | Form 4 ↗ |
| PRESTON JOHN TDirector | Sale | −6,000 | $85.49 | $513K | 9,926direct | Feb 26, 2021 | Mar 2, 2021 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,500 | $89.42 | $134K | 11.9Kdirect | Feb 25, 2021 | Mar 1, 2021 | Form 4 ↗ |
| Dugas Eric J.SVP Finance, Controller & CAO | Sale | −3,111 | $74.65 | $232K | 19.5Kdirect | Nov 27, 2020 | Nov 30, 2020 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −3,600 | $73.73 | $265K | 58.3Kdirect | Nov 17, 2020 | Nov 19, 2020 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −19.7K | $70.86 | $1.4M | 3.3Mdirect | Nov 13, 2020 | Nov 17, 2020 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,272 | $71.90 | $91K | 13.4Kdirect | Nov 10, 2020 | Nov 12, 2020 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −444 | $60.00 | $27K | 72.6Kdirect | Sep 1, 2020 | Sep 3, 2020 | Form 4 ↗ |
| Dugas Eric J.SVP Finance, Controller & CAO | Sale | −196 | $60.00 | $12K | 22.6Kdirect | Sep 1, 2020 | Sep 3, 2020 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer(CHESI) | Sale | −20.3K | $61.72 | $1.3M | 85.8Kdirect | Aug 20, 2020 | Aug 21, 2020 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −15.1K | $63.90 | $965K | 3.3Mdirect | Aug 13, 2020 | Aug 14, 2020 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −16.2K | $64.72 | $1.0M | 3.3Mdirect | Aug 12, 2020 | Aug 14, 2020 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −41.3K | $65.23 | $2.7M | 3.3Mdirect | Aug 11, 2020 | Aug 12, 2020 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −27.4K | $65.36 | $1.8M | 3.4Mdirect | Aug 10, 2020 | Aug 12, 2020 | Form 4 ↗ |
| Marlin RodDirector | Sale | −1,000 | $69.00 | $69K | 2,064indirect | Jun 8, 2020 | Jun 10, 2020 | Form 4 ↗ |
| Marlin RodDirector | Sale | −4,000 | $69.00 | $276K | 35.2Kdirect | Jun 8, 2020 | Jun 10, 2020 | Form 4 ↗ |
| Dugas Eric J.SVP Finance, Controller & CAO | Sale | −1,200 | $61.78 | $74K | 19.4Kdirect | May 28, 2020 | Jun 1, 2020 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Purchase | +1,650 | $46.45 | $77K | 38.2Kdirect | May 13, 2020 | May 13, 2020 | Form 4 ↗ |
| Speights RobertEVP (CHESI) | Purchase | +641 | $39.00 | $25K | 18.3Kdirect | Mar 23, 2020 | Mar 23, 2020 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Purchase | +500 | $32.80 | $16K | 13.0Kdirect | Mar 19, 2020 | Jul 7, 2020 | Form 4 ↗ |
| Speights RobertEVP (CHESI) | Purchase | +1,275 | $39.15 | $50K | 17.6Kdirect | Mar 18, 2020 | Mar 23, 2020 | Form 4 ↗ |
| Speights RobertEVP (CHESI) | Purchase | +545 | $45.97 | $25K | 16.3Kdirect | Mar 16, 2020 | Mar 23, 2020 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −2,500 | $86.67 | $217K | 27.0Kdirect | Dec 27, 2019 | Dec 27, 2019 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −20.0K | $82.75 | $1.7M | 3.6Mdirect | Dec 2, 2019 | Dec 4, 2019 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −1,175 | $84.64 | $99K | 58.8Kdirect | Nov 6, 2019 | Nov 6, 2019 | Form 4 ↗ |
| Dugas Eric J.SVP Finance, Controller & CAO | Sale | −1,176 | $82.87 | $97K | 20.5Kdirect | Nov 5, 2019 | Nov 6, 2019 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,000 | $83.78 | $84K | 12.5Kdirect | Oct 31, 2019 | Oct 31, 2019 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −5,000 | $83.61 | $418K | 40.4Kdirect | Oct 31, 2019 | Oct 31, 2019 | Form 4 ↗ |
| CURTIS GEORGE LExec. Vice President (CHESI) | Sale | −10.4K | $83.82 | $872K | 46.3Kdirect | Oct 31, 2019 | Oct 31, 2019 | Form 4 ↗ |
| Dugas Eric J.SVP Finance, Controller & CAO | Sale | −2,034 | $73.85 | $150K | 22.2Kdirect | Sep 4, 2019 | Sep 4, 2019 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −1,000 | $76.00 | $76K | 42.4Kdirect | Aug 16, 2019 | Aug 19, 2019 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer(CHESI) | Sale | −20.0K | $78.52 | $1.6M | 74.6Kdirect | Aug 8, 2019 | Aug 12, 2019 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −2,557 | $78.98 | $202K | 13.5Kdirect | Aug 1, 2019 | Aug 1, 2019 | Form 4 ↗ |
| Marlin RodDirector | Sale | −4,267 | $68.58 | $293K | 37.1Kdirect | Jun 26, 2019 | Jun 26, 2019 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −5,000 | $70.09 | $350K | 35.0Kdirect | Jun 20, 2019 | Jun 20, 2019 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −11.3K | $65.30 | $739K | 3.6Mdirect | Jun 4, 2019 | Jun 6, 2019 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd, Pres. & CEO · Director | Sale | −38.7K | $65.32 | $2.5M | 3.7Mdirect | May 28, 2019 | May 30, 2019 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −4,000 | $71.85 | $287K | 41.0Kdirect | May 3, 2019 | May 6, 2019 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −1,777 | $71.00 | $126K | 57.3Kdirect | Mar 22, 2019 | Mar 26, 2019 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −4,000 | $69.74 | $279K | 47.0Kdirect | Mar 19, 2019 | Mar 20, 2019 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,000 | $66.75 | $67K | 13.9Kdirect | Mar 5, 2019 | Mar 5, 2019 | Form 4 ↗ |
| Marlin RodDirector | Sale | −2,500 | $68.50 | $171K | 3,064indirect | Mar 1, 2019 | Mar 5, 2019 | Form 4 ↗ |
| Marlin RodDirector | Sale | −7,500 | $68.50 | $514K | 39.2Kdirect | Mar 1, 2019 | Mar 5, 2019 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −2,000 | $65.20 | $130K | 53.1Kdirect | Nov 9, 2018 | Nov 9, 2018 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −29.7K | $64.26 | $1.9M | 3.8Mdirect | Nov 6, 2018 | Nov 7, 2018 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −20.3K | $64.03 | $1.3M | 3.9Mdirect | Nov 5, 2018 | Nov 7, 2018 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Purchase | +75 | $65.18 | $5K | 5,691direct | Nov 1, 2018 | Jan 31, 2019 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,500 | $68.31 | $102K | 14.9Kdirect | Nov 1, 2018 | Nov 1, 2018 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −1,304 | $69.83 | $91K | 63.6Kdirect | Sep 24, 2018 | Sep 24, 2018 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −4,211 | $69.65 | $293K | 24.8Kdirect | Sep 6, 2018 | Sep 7, 2018 | Form 4 ↗ |
| Kraus Eric AExec. Vice President (CHESI) | Sale | −1,100 | $69.65 | $77K | 33.1Kdirect | Sep 6, 2018 | Sep 7, 2018 | Form 4 ↗ |
| Cowan GraceEVP Customer Service (CHESI) | Sale | −424 | $70.62 | $30K | 22.9Kdirect | Sep 6, 2018 | Sep 7, 2018 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −6,000 | $69.46 | $417K | 55.9Kdirect | Sep 4, 2018 | Sep 4, 2018 | Form 4 ↗ |
| PARRY DAVID MExecutive Vice President | Sale | −4,579 | $68.76 | $315K | 42.6Kdirect | Aug 31, 2018 | Sep 4, 2018 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Purchase | +40 | $69.01 | $3K | 5,616direct | Aug 29, 2018 | Jan 31, 2019 | Form 4 ↗ |
| BANUCCI EUGENE GDirector | Sale | −19.5K | $68.94 | $1.3M | 17.7Kdirect | Aug 29, 2018 | Jan 29, 2019 | Form 4 ↗ |
| PARRY DAVID MExecutive Vice President | Sale | −3,026 | $61.93 | $187K | 47.2Kdirect | Aug 7, 2018 | Aug 8, 2018 | Form 4 ↗ |
| Vergo David J.President, Safety-Kleen | Sale | −2,384 | $62.22 | $148K | 29.4Kdirect | Aug 6, 2018 | Aug 7, 2018 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −2,000 | $63.62 | $127K | 16.4Kdirect | Aug 2, 2018 | Aug 3, 2018 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Purchase | +13 | $54.17 | $704 | 5,576direct | Jun 28, 2018 | Jan 31, 2019 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Purchase | +62 | $54.29 | $3K | 5,563direct | Jun 28, 2018 | Jan 31, 2019 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer(CHESI) | Sale | −8,000 | $55.19 | $442K | 59.5Kdirect | Jun 25, 2018 | Jun 25, 2018 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Purchase | +100 | $53.31 | $5K | 5,501direct | Jun 14, 2018 | Jan 31, 2019 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −2,836 | $53.43 | $152K | 24.6Kdirect | Jun 5, 2018 | Jun 6, 2018 | Form 4 ↗ |
| Bouldin Mark G.EVP/SK | Sale | −433 | $53.25 | $23K | 13.8Kdirect | Jun 4, 2018 | Jun 4, 2018 | Form 4 ↗ |
| Knapp Jeffrey HerbertEVP - HR (CHESI) | Purchase | +100 | $53.09 | $5K | 5,401direct | May 30, 2018 | Jan 31, 2019 | Form 4 ↗ |
| Dugas Eric J.SVP Finance and CAO | Sale | −900 | $52.76 | $47K | 19.2Kdirect | May 24, 2018 | May 25, 2018 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −100.0K | $52.11 | $5.2M | 4.0Mdirect | May 14, 2018 | May 16, 2018 | Form 4 ↗ |
| Bouldin Mark G.EVP/SK | Sale | −2,519 | $51.40 | $129K | 14.4Kdirect | May 7, 2018 | May 8, 2018 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −2,600 | $50.77 | $132K | 0indirect | Mar 22, 2018 | Mar 22, 2018 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −40.1K | $51.49 | $2.1M | 2,600indirect | Mar 21, 2018 | Mar 22, 2018 | Form 4 ↗ |
| PRESTON JOHN TDirector | Sale | −5,000 | $50.93 | $255K | 9,427direct | Mar 6, 2018 | Mar 8, 2018 | Form 4 ↗ |
| Bouldin Mark G.EVP/SK | Sale | −703 | $47.62 | $33K | 17.7Kdirect | Mar 2, 2018 | Mar 7, 2018 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −1,870 | $53.00 | $99K | 57.2Kdirect | Dec 28, 2017 | Dec 28, 2017 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer | Sale | −7,150 | $52.77 | $377K | 79.1Kdirect | Dec 27, 2017 | Dec 28, 2017 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer | Sale | −5,143 | $53.04 | $273K | 86.2Kdirect | Dec 26, 2017 | Dec 27, 2017 | Form 4 ↗ |
| Bouldin Mark G.EVP/SK | Sale | −325 | $52.62 | $17K | 20.2Kdirect | Dec 20, 2017 | Dec 21, 2017 | Form 4 ↗ |
| Dugas Eric J.SVP Finance and CAO | Sale | −1,139 | $53.26 | $61K | 13.8Kdirect | Dec 1, 2017 | Dec 4, 2017 | Form 4 ↗ |
| Vergo David J.President, Safety-Kleen | Sale | −1,097 | $54.00 | $59K | 24.2Kdirect | Nov 9, 2017 | Nov 13, 2017 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −490 | $56.18 | $28K | 59.4Kdirect | Sep 29, 2017 | Sep 29, 2017 | Form 4 ↗ |
| Dugas Eric J.SVP Finance and CAO | Sale | −933 | $54.67 | $51K | 14.8Kdirect | Sep 8, 2017 | Sep 11, 2017 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer | Sale | −4,667 | $50.42 | $235K | 92.0Kdirect | Aug 24, 2017 | Aug 25, 2017 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −1,945 | $54.06 | $105K | 51.7Kdirect | Jun 29, 2017 | Jun 30, 2017 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −4,071 | $59.25 | $241K | 26.8Kdirect | Jun 2, 2017 | Jun 2, 2017 | Form 4 ↗ |
| PARRY DAVID MPres (Indus.and Field Serv) | Sale | −4,402 | $58.96 | $260K | 40.0Kdirect | Jun 1, 2017 | Jun 1, 2017 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,034 | $60.62 | $63K | 14.1Kdirect | May 5, 2017 | May 8, 2017 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −1,021 | n/c | — | 41.1Kdirect | Mar 31, 2017 | Apr 3, 2017 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −40.0K | $56.62 | $2.3M | 4.0Mdirect | Mar 7, 2017 | Mar 8, 2017 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −65.5K | $56.83 | $3.7M | 4.1Mdirect | Mar 6, 2017 | Mar 8, 2017 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −58.6K | $57.06 | $3.3M | 4.2Mdirect | Mar 3, 2017 | Mar 6, 2017 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −35.9K | $57.47 | $2.1M | 4.2Mdirect | Mar 2, 2017 | Mar 6, 2017 | Form 4 ↗ |
| Bouldin Mark G.EVP/SK | Sale | −60 | $57.79 | $3K | 18.7Kdirect | Mar 2, 2017 | Mar 3, 2017 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Sale | −3,156 | $57.95 | $183K | 31.8Kdirect | Mar 2, 2017 | Mar 3, 2017 | Form 4 ↗ |
| Dugas Eric J.VP, Corp. Contr and CAO | Sale | −809 | $58.45 | $47K | 11.6Kdirect | Mar 1, 2017 | Mar 2, 2017 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −2,000 | $56.51 | $113K | 15.2Kdirect | Feb 24, 2017 | Feb 28, 2017 | Form 4 ↗ |
| Marlin RodDirector | Sale | −3,394 | $56.21 | $191K | 42.4Kdirect | Dec 28, 2016 | Dec 28, 2016 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −712 | $56.30 | $40K | 46.2Kdirect | Dec 28, 2016 | Dec 28, 2016 | Form 4 ↗ |
| MCKIM ALAN SChrmn.of Bd and CEO · Director | Sale | −20.0K | $57.82 | $1.2M | 4.3Mdirect | Dec 21, 2016 | Dec 22, 2016 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −3,704 | $57.30 | $212K | 52.0Kdirect | Dec 15, 2016 | Dec 19, 2016 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −2,154 | $56.59 | $122K | 28.7Kdirect | Dec 15, 2016 | Dec 15, 2016 | Form 4 ↗ |
| CURTIS GEORGE LExec. Vice President (CHESI) | Sale | −6,016 | $56.00 | $337K | 50.1Kdirect | Dec 12, 2016 | Dec 12, 2016 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer | Sale | −7,500 | $55.42 | $416K | 83.5Kdirect | Dec 9, 2016 | Dec 12, 2016 | Form 4 ↗ |
| SHIELDS THOMAS JDirector | Sale | −12.0K | $54.47 | $654K | 16.6Kdirect | Dec 8, 2016 | Dec 9, 2016 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −2,000 | $54.50 | $109K | 55.7Kdirect | Dec 7, 2016 | Dec 8, 2016 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −2,084 | $54.10 | $113K | 20.7Kindirect | Dec 5, 2016 | Dec 7, 2016 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −5,000 | $52.21 | $261K | 22.8Kindirect | Dec 1, 2016 | Dec 2, 2016 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −5,000 | $52.19 | $261K | 57.7Kdirect | Dec 1, 2016 | Dec 2, 2016 | Form 4 ↗ |
| Battles Michael LouisEVP and CFO | Purchase | +1,000 | $44.15 | $44K | 36.2Kdirect | Nov 4, 2016 | Nov 4, 2016 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −773 | $46.58 | $36K | 47.1Kdirect | Sep 28, 2016 | Sep 28, 2016 | Form 4 ↗ |
| PARRY DAVID MPres (Indus.and Field Serv) | Sale | −4,060 | $47.37 | $192K | 45.3Kdirect | Aug 31, 2016 | Sep 1, 2016 | Form 4 ↗ |
| RUTLEDGE JAMES MVice Chmn, Pres. · Director | Sale | −16.0K | $50.74 | $812K | 127.9Kdirect | Aug 5, 2016 | Aug 8, 2016 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −2,000 | $51.03 | $102K | 15.2Kdirect | Aug 4, 2016 | Aug 8, 2016 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,608 | $50.62 | $81K | 15.2Kdirect | Aug 4, 2016 | Aug 8, 2016 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −920 | $50.22 | $46K | 47.8Kdirect | Jun 28, 2016 | Jun 29, 2016 | Form 4 ↗ |
| MCCARTHY DANIEL JAMESDirector | Sale | −3,643 | $53.22 | $194K | 12.5Kdirect | Jun 6, 2016 | Jun 8, 2016 | Form 4 ↗ |
| Bouldin Mark G.EVP/SK | Sale | −367 | $47.50 | $17K | 15.2Kdirect | May 10, 2016 | May 10, 2016 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −2,500 | $49.64 | $124K | 74.2Kindirect | Mar 31, 2016 | Apr 1, 2016 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −2,000 | $48.50 | $97K | 21.7Kdirect | Mar 29, 2016 | Mar 29, 2016 | Form 4 ↗ |
| PARRY DAVID MPres (Indus.and Field Serv) | Sale | −7,075 | $47.96 | $339K | 30.2Kdirect | Mar 28, 2016 | Mar 29, 2016 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −899 | $47.54 | $43K | 30.6Kdirect | Mar 23, 2016 | Mar 24, 2016 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −2,500 | $44.00 | $110K | 27.8Kindirect | Mar 2, 2016 | Mar 3, 2016 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −5,000 | $44.12 | $221K | 76.7Kindirect | Mar 2, 2016 | Mar 3, 2016 | Form 4 ↗ |
| Lindgren Eric R.EVP/CIO (CHESI) | Sale | −1,013 | $42.68 | $43K | 12.2Kdirect | Dec 3, 2015 | Dec 3, 2015 | Form 4 ↗ |
| GERSTENBERG ERIC WChief Operating Officer | Sale | −16.5K | $49.19 | $811K | 73.2Kdirect | Sep 9, 2015 | Sep 11, 2015 | Form 4 ↗ |
| Marlin RodDirector | Sale | −68.2K | n/c | — | 88indirect | Jun 11, 2015 | Jun 11, 2015 | Form 4 ↗ |
| Marlin RodDirector | Sale | −31.6K | n/c | — | 41.8Kdirect | Jun 11, 2015 | Jun 11, 2015 | Form 4 ↗ |
| PARRY DAVID MPres (Indus.and Field Serv) | Sale | −5,044 | $55.72 | $281K | 34.9Kdirect | Jun 2, 2015 | Jun 4, 2015 | Form 4 ↗ |
| SHIELDS THOMAS JDirector | Sale | −5,000 | $56.93 | $285K | 12.6Kdirect | May 27, 2015 | May 28, 2015 | Form 4 ↗ |
| PRESTON JOHN TDirector | Sale | −4,523 | $56.06 | $254K | 11.0Kdirect | May 13, 2015 | May 14, 2015 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −1,023 | $57.14 | $58K | 29.0Kdirect | Mar 30, 2015 | Mar 31, 2015 | Form 4 ↗ |
| Battles Michael LouisSVP & CAO | Sale | −1,011 | $56.63 | $57K | 7,126direct | Mar 6, 2015 | Mar 9, 2015 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −10.0K | $56.55 | $566K | 81.7Kindirect | Mar 2, 2015 | Mar 6, 2015 | Form 4 ↗ |
| Knapp CurtEVP (Safety-Kleen) | Sale | −12.3K | $0.00 | $0 | 3,160direct | Jan 31, 2015 | Feb 3, 2015 | Form 4 ↗ |
| MCKIM ALAN SChrmn. of Bd., Pres.and CEO · Director | Purchase | +25.0K | $46.60 | $1.2M | 4.6Mdirect | Dec 9, 2014 | Dec 10, 2014 | Form 4 ↗ |
| Marlin RodDirector | Sale | −10.0K | $45.40 | $454K | 5,564indirect | Dec 2, 2014 | Dec 3, 2014 | Form 4 ↗ |
| Marlin RodDirector | Sale | −10.0K | $45.40 | $454K | 73.4Kdirect | Dec 2, 2014 | Dec 3, 2014 | Form 4 ↗ |
| Eckelbarger DavidEVP (Safety-Kleen) | Sale | −15.9K | $0.00 | $0 | 2,649direct | Oct 24, 2014 | Oct 27, 2014 | Form 4 ↗ |
| Evens DeirdreExec VP (CHESI subsidiary) | Sale | −1,807 | $58.79 | $106K | 32.3Kdirect | Aug 14, 2014 | Aug 14, 2014 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,583 | $58.14 | $92K | 12.8Kdirect | Aug 8, 2014 | Aug 8, 2014 | Form 4 ↗ |
| KASLOW JOHN FDirector | Sale | −1,534 | $63.34 | $97K | 10.3Kdirect | Jun 23, 2014 | Jun 24, 2014 | Form 4 ↗ |
| PARRY DAVID MPres (Indus.and Field Serv) | Sale | −4,058 | $62.14 | $252K | 46.7Kdirect | Jun 18, 2014 | Jun 18, 2014 | Form 4 ↗ |
| SHIELDS THOMAS JDirector | Sale | −1,000 | $63.08 | $63K | 16.0Kdirect | Jun 10, 2014 | Jun 11, 2014 | Form 4 ↗ |
| SHIELDS THOMAS JDirector | Sale | −4,248 | $63.02 | $268K | 17.0Kdirect | Jun 10, 2014 | Jun 11, 2014 | Form 4 ↗ |
| Battles Michael LouisSVP & CAO | Sale | −2,000 | $59.30 | $119K | 6,558direct | Dec 26, 2013 | Feb 11, 2014 | Form 4 ↗ |
| Battles Michael LouisSVP & CAO | Sale | −2,000 | $59.30 | $119K | 6,558direct | Dec 26, 2013 | Feb 11, 2014 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −24.9K | $57.67 | $1.4M | 3,428direct | Dec 23, 2013 | Dec 24, 2013 | Form 4 ↗ |
| MCKIM ALAN SChrmn. of Bd., Pres.and CEO · Director | Sale | −50.0K | $55.58 | $2.8M | 4.6Mdirect | Nov 13, 2013 | Nov 14, 2013 | Form 4 ↗ |
| MCKIM ALAN SChrmn. of Bd., Pres.and CEO · Director | Sale | −50.0K | $55.07 | $2.8M | 4.7Mdirect | Nov 12, 2013 | Nov 14, 2013 | Form 4 ↗ |
| GERSTENBERG ERIC WPres. (Enviro. Services subs) | Sale | −1,000 | $58.92 | $59K | 38.6Kdirect | Oct 1, 2013 | Oct 2, 2013 | Form 4 ↗ |
| MCCARTHY DANIEL JAMESDirector | Sale | −1,000 | $56.49 | $56K | 19.9Kdirect | Aug 23, 2013 | Aug 27, 2013 | Form 4 ↗ |
| Marlin RodDirector | Sale | −7,500 | $57.14 | $429K | 79.4Kdirect | Apr 3, 2013 | Apr 4, 2013 | Form 4 ↗ |
| Marlin RodDirector | Sale | −5,500 | $57.14 | $314K | 15.6Kindirect | Apr 3, 2013 | Apr 4, 2013 | Form 4 ↗ |
| Marlin RodDirector | Sale | −2,000 | $58.22 | $116K | 21.1Kindirect | Apr 2, 2013 | Apr 4, 2013 | Form 4 ↗ |
| Fusco StevenEVP CIO (CHESI) | Sale | −440 | $58.27 | $26K | 8,920direct | Mar 28, 2013 | Mar 29, 2013 | Form 4 ↗ |
| CORRELL JERRY ELMERExec. Vice President (CHESI) | Sale | −16.0K | $51.79 | $829K | 10.5Kdirect | Feb 21, 2013 | Feb 21, 2013 | Form 4 ↗ |
| Retallick Phillip GSenior Vice President CHESI | Sale | −500 | $55.93 | $28K | 1,728direct | Dec 17, 2012 | Dec 19, 2012 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −500 | $57.33 | $29K | 11.2Kdirect | Nov 29, 2012 | Nov 30, 2012 | Form 4 ↗ |
| PARRY DAVID MPres (Energy & Indust. subs) | Sale | −5,174 | $56.15 | $291K | 27.2Kdirect | Nov 14, 2012 | Nov 14, 2012 | Form 4 ↗ |
| Lefebvre Marvin GEVP (CHI sub) | Sale | −10.0K | $48.16 | $482K | 104.6Kindirect | Sep 28, 2012 | Oct 1, 2012 | Form 4 ↗ |
| DEVILLARS JOHN PDirector | Sale | −3,000 | $48.82 | $146K | 13.6Kdirect | Sep 21, 2012 | Feb 7, 2013 | Form 4 ↗ |
| Seeger ThomasFORMER CHESI EVP | Sale | −600 | $53.05 | $32K | 0direct | Sep 14, 2012 | Sep 14, 2012 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −10.4K | $55.05 | $573K | 18.0Kdirect | Aug 27, 2012 | Aug 28, 2012 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −5,549 | $56.03 | $311K | 18.0Kdirect | Aug 22, 2012 | Aug 23, 2012 | Form 4 ↗ |
| TWOHIG MICHAEL JEVP (CHESI) | Sale | −2,551 | $56.63 | $144K | 18.0Kdirect | Aug 21, 2012 | Aug 22, 2012 | Form 4 ↗ |
| GERSTENBERG ERIC WPres. (Enviro. Services subs) | Sale | −4,000 | $55.00 | $220K | 17.9Kdirect | Aug 9, 2012 | Aug 10, 2012 | Form 4 ↗ |
| GERSTENBERG ERIC WPres. (Enviro. Services subs) | Sale | −3,000 | $61.29 | $184K | 22.3Kdirect | May 21, 2012 | May 29, 2012 | Form 4 ↗ |
| Robertson AndreaDirector | Sale | −1,000 | $62.00 | $62K | 11.7Kdirect | May 21, 2012 | May 22, 2012 | Form 4 ↗ |
| Weber Brian PEVP (CHESI) | Sale | −4,504 | $66.16 | $298K | 18.5Kdirect | Apr 4, 2012 | Apr 5, 2012 | Form 4 ↗ |
| Marlin RodDirector | Sale Amended | −5,000 | $69.64 | $348K | 23.1Kindirect | Mar 27, 2012 | Mar 29, 2012 | Form 4 ↗ |
Source: SEC EDGAR Form 4 and Form 5 filings, SEC's quarterly bulk dataset through Jun 30, 2026, and KeyVex's half-hourly read of new filings since. Every row links its filing. Amendments are marked. Nothing here is a recommendation. All insider activity, market-wide →