Damian Andrew Ribar, Executive Vice President and Chief Operating Officer of Casella Waste Systems Inc, reported the acquisition of 25,000 employee stock options on August 11, 2026, in a statement of changes in beneficial ownership filed with the SEC on August 12, 2026.

Key Highlights

  • Reporting person: Damian Andrew Ribar, identified as Executive VP and COO of Casella Waste Systems Inc (NASDAQ:CWST)
  • Security acquired: 25,000 Employee Stock Options (right to buy Class A Common Stock), transaction code A (acquired)
  • Exercise price: $92.52 per share, with an expiration date of 08/10/2036
  • Vesting schedule: One-third of the shares become exercisable on August 11, 2027, with an additional one-third vesting on each of the second and third anniversaries of the grant date
  • Post-transaction holdings: 25,000 derivative securities beneficially owned following the reported transaction, held directly, at a derivative price of $0
  • Filing basis: Filed by one reporting person; the transaction date of earliest record is 08/11/2026

Stock Option Grant Details for Casella Waste Systems Executive

According to the filing, Damian Andrew Ribar, serving as Executive Vice President and Chief Operating Officer of Casella Waste Systems Inc, acquired 25,000 employee stock options on August 11, 2026. Casella Waste Systems Inc, listed on NASDAQ under the ticker CWST, is the issuer of the underlying Class A Common Stock. The options carry an exercise price of $92.52 per share and are set to expire on August 10, 2036, giving them a ten-year term from the grant date.

The filing discloses that the options will vest in equal annual installments over three years. Specifically, the filing states that "this 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." Following the reported transaction, Ribar beneficially owns 25,000 derivative securities directly, with the price of the derivative security listed as $0 in the filing.

No transactions were reported in Table I covering non-derivative securities. The grant was reported as a direct ownership interest, and the filing was made by one reporting person. Ribar's address is listed as 25 Greens Hill Lane, Rutland, Vermont 05701. The form was signed by Damian Andrew Ribar on August 12, 2026.

What Was Disclosed

The filing reports the grant of 25,000 employee stock options to Casella Waste Systems' Executive VP and COO, with an exercise price of $92.52, a three-year vesting schedule in equal annual increments, and an expiration date of August 10, 2036.