# EDGAR Filing Document

**Accession Number:** 0000911177
**File Stem:** 0000911177-26-000011
**Filing Date:** 2026-3
**Character Count:** 5271
**Document Hash:** 3fc5a2abcfa6425e762d15b225801fe1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000911177-26-000011.hdr.sgml**: 20260310

**ACCESSION NUMBER**: 0000911177-26-000011

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260306

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**FILED AS OF DATE**: 20260310

**DATE AS OF CHANGE**: 20260310

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CASELLA WASTE SYSTEMS INC
- **CENTRAL INDEX KEY:** 0000911177
- **STANDARD INDUSTRIAL CLASSIFICATION:** REFUSE SYSTEMS [4953]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 030338873
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-23211
- **FILM NUMBER:** 26737372

**BUSINESS ADDRESS:**
- **STREET 1:** 25 GREENS HILL ROAD
- **CITY:** RUTLAND
- **STATE:** VT
- **ZIP:** 05701
- **BUSINESS PHONE:** 8027750325

**MAIL ADDRESS:**
- **STREET 1:** 25 GREENS HILL ROAD
- **CITY:** RUTLAND
- **STATE:** VT
- **ZIP:** 05701

?xml version='1.0' encoding='ASCII'? cwst-20260306

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**__________________________________________**

**FORM 8-K** 

**__________________________________________**

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d)**

**of the Securities Exchange Act of 1934**

**Date of Report (Date of earliest event reported): March 6, 2026** 

**__________________________________________**

**Casella Waste Systems, Inc.** 

**(Exact Name of Registrant as Specified in Charter)**

**__________________________________________**

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| | | |
|:---|:---|:---|
| **Delaware** | **000-23211** | **03-0338873** |
| **(State or Other Jurisdiction<br>of Incorporation)** | **(Commission<br>File Number)** | **(IRS Employer<br>Identification No.)** |

---

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| | | |
|:---|:---|:---|
| **25 Greens Hill Lane,** | **25 Greens Hill Lane,** | |
| **Rutland,** | **Vermont** | **05701** |
| **(Address of principal executive offices)** | **(Address of principal executive offices)** | **(Zip Code)** |

---

**Registrant's telephone number, including area code: (802) 775-0325** 

**Not applicable**

**(Former Name or Former Address, if Changed Since Last Report)**

**__________________________________________**

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (*see* General Instruction A.2. below):

☐&nbsp;&nbsp;&nbsp;&nbsp; Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐&nbsp;&nbsp;&nbsp;&nbsp; Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐&nbsp;&nbsp;&nbsp;&nbsp; Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐&nbsp;&nbsp;&nbsp;&nbsp; Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

---

| | | |
|:---|:---|:---|
| **Title of each class** | **Trading <br>Symbol(s)** | **Name of each exchange<br>on which registered** |
| Class A common stock, $0.01 par value per share | CWST | The Nasdaq Stock Market LLC |
|  |  | (Nasdaq Global Select Market) |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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**Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.**

On March 6, 2026, Sean Steves notified Casella Waste Systems, Inc. (the "Company") of his decision to resign from his position as the Company's Senior Vice President and Chief Operating Officer of Solid Waste Operations to pursue other opportunities outside of the waste and recycling industry. His resignation will be effective on the mutually agreed upon date of March 20, 2026. The Company has initiated a process to identify the next Chief Operating Officer of Solid Waste Operations. Mr. Steve's resignation was not the result of any disagreement regarding any matter related to the Company's operations, policies or practices.

**SIGNATURE**

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | |
|:---|:---|:---|
| | **CASELLA WASTE SYSTEMS, INC.** | **CASELLA WASTE SYSTEMS, INC.** |
| Date: March 10, 2026 | By: | /s/ Bradford J. Helgeson |
|  |  | Bradford J. Helgeson |
|  |  | Executive Vice President and Chief Financial Officer |

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