SEC Form 4 · accession 0002142092-26-000004
CASELLA WASTE SYSTEMS INC · CWST
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Damian Andrew Ribar
Officer — Executive VP and COO
Period of report
Aug 11, 2026
Accepted (ET)
Aug 12, 2026 · 4:14 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000911177
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (right to buy)F1 | $92.52 | Aug 11, 2026 | A | 25,000 | A | — | Aug 10, 2036 | Class A Common Stock | 25,000 | 25,000 | D |
Explanation of responses
- F1This option shall become exercisable with respect to one-third of the shares on August 11, 2027, and shall become exercisable as to an additional one-third of the shares on each of the second and third anniversaries of the grant date.