| Filed On | Filing |
|---|---|
| 30 Jul 2025 |
Form 3: Geer Charles H. Ii, EVP, Industrial Services
Holds 9,136 shares of Common Stock |
| 04 Jun 2024 |
Form 3: Diderich Jeroen, EVP&President of Sales&Service
No securities owned |
| 22 Aug 2023 |
Form 3: Underwood Rebecca, President & EVP Facilities
Holds 13,626 shares of Common Stock |
| 22 Aug 2023 |
Form 3: Mansy Loan Nguyen, President Env Sales & Service
Holds 17,163 shares of Common Stock |
| 16 Mar 2023 |
Form 3: Polito Karyn, Director
No securities owned |
| 23 Nov 2022 |
Form 3: Harrison Robert W., EVP, EHS
No securities owned |
| 07 Sep 2022 |
Form 3: Stewart Shelley Jr, Director
No securities owned |
| 07 Sep 2022 |
Form 3: Quirk Alison A., Director
No securities owned |
| 10 Mar 2022 |
Form 3: McDuffie Melkeya, EVP, Human Resources Officer
Holds 0 shares of Common Stock |
| 20 Sep 2021 |
Form 3: Reed Marcy L., Director
Holds 0 shares of Common Stock |
| 18 Dec 2019 |
Form 3: Willett Robert, Director
Holds 0 shares of Common Stock |
| 22 Oct 2018 |
Form 3: Gabriel Sharon M., EVP/CIO (CHESI)
Holds 12,218 shares of Common Stock |
| 17 Oct 2018 |
Form 3: Speights Robert, EVP (CHESI)
Holds 0 shares of Common Stock |
| 22 Feb 2018 |
Form 3: Knapp Jeffrey Herbert, EVP - HR (CHESI)
No securities owned |
| 26 Jan 2018 |
Form 3: Johnston Robert A., President, Oil, Gas & Lodging
Holds 8,033 shares of Common Stock |
| 24 Jan 2018 |
Form 3: Cowan Grace, EVP Customer Service (CHESI)
Holds 19,466 shares of Common Stock |
| 04 Oct 2016 |
Form 3: Vergo David J., President, Safety-Kleen
Holds 0 shares of Common Stock |
| 03 Oct 2016 |
Form 3: Mohan Stephen M., Chief Sales Officer
Holds 0 shares of Common Stock |
| 02 Sep 2016 |
Form 3: Melocik Christopher P., EVP
Holds 0 shares of Common Stock |
| 24 Mar 2016 |
Form 3: States Lauren, Director
Holds 546 shares of Common Stock |
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