Casella Waste Systems appoints Damian A. Ribar as EVP and COO

CASELLA WASTE SYSTEMS INC

Damian A. Ribar appointed EVP and COO effective July 20, 2026; previously Division VP at Waste Connections.
Base salary $500,000; cash bonus eligible up to 85% of base.
Annual equity awards: $200K RSU (3-yr vest) and $600K performance PSU (3-yr target).
One-time option for 25,000 shares vesting over 3 years; relocation assistance with clawback.

item 5.02

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Appointed

Damian A. Ribar

Executive Vice President and Chief Operating Officer

CWST · CASELLA WASTE SYSTEMS INC

Effective: 2026-07-20
Filed: July 1, 2026, 8:27 AM ET

On June 26, 2026, the Board of Directors (the “Board”) of Casella Waste Systems, Inc. (the “Company”) appointed Damian A. Ribar as Executive Vice President and Chief Operating Officer of the Company, effective as of the date of commencement of his employment, which is expected to be July 20, 2026.

Key facts

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Executive change SEC 8-K Item 5.02 confidence 0.95

Damian A. Ribar was appointed as Executive Vice President and Chief Operating Officer at CASELLA WASTE SYSTEMS INC.

Action: appointed
Role: Executive Vice President and Chief Operating Officer

Exact text from the filing

On June 26, 2026, the Board of Directors (the “Board”) of Casella Waste Systems, Inc. (the “Company”) appointed Damian A. Ribar as Executive Vice President and Chief Operating Officer of the Company, effective as of the date of commencement of his employment, which is expected to be July 20, 2026.

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Source: SEC EDGAR

accession 0000911177-26-000035

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