Insider Trading March 3, 2026

Casella Waste Operations Chief Sells Stock to Cover PSU Taxes; Retains Nearly 9.7k Shares

Senior VP Steves Sean executed an automatic sell-to-cover transaction after performance stock units vested; company posts mixed Q4 2025 results

By Sofia Navarro CWST
Casella Waste Operations Chief Sells Stock to Cover PSU Taxes; Retains Nearly 9.7k Shares
CWST

Casella Waste Systems Inc. (NASDAQ: CWST) Senior Vice President and COO of SW Ops, Steves Sean, sold 1,199 shares of Class A Common Stock on February 27, 2026, under a pre-established sell-to-cover instruction to meet tax-withholding obligations tied to vested performance-based stock units (PSUs). The sale, executed at a weighted average price of $92.88 to $92.93, generated roughly $111,375. The transactions followed the vesting of PSUs on February 26, 2026, which resulted in issuance of 3,433 shares to Steves at no cost. After these moves, he directly holds 9,669 shares. Casella’s market capitalization stands at $5.84 billion and the company posted a Q4 2025 earnings-per-share beat alongside a slight revenue shortfall.

Key Points

  • Steves Sean sold 1,199 Class A shares on February 27, 2026, under a sell-to-cover instruction to meet tax withholding tied to vested PSUs.
  • The sale was executed at a weighted average price of $92.88 to $92.93, totaling about $111,375; the price was slightly above the cited $91.92 share price.
  • On February 26, 2026, 3,433 shares were issued to Steves at $0 value upon vesting of PSUs granted March 10, 2023; after the transactions he directly owns 9,669 shares.

Casella Waste Systems Inc. (NASDAQ: CWST) reported a routine insider transaction late in February when Senior Vice President and Chief Operating Officer of SW Ops, Steves Sean, sold a block of his Class A Common Stock to satisfy tax-withholding requirements associated with vested performance-based awards.

According to a Form 4 filed with the Securities and Exchange Commission, on February 27, 2026, Steves disposed of 1,199 shares at a weighted average price between $92.88 and $92.93, producing proceeds of approximately $111,375. Those prices were modestly higher than the quoted common share price of $91.92 reported at the time of the filing.

The filing states the sale was executed automatically under a sell-to-cover instruction that Steves adopted on August 2, 2023. The disposition was taken to meet tax withholding obligations arising from the vesting of performance-based stock units that had been granted on March 10, 2023.

One day earlier, on February 26, 2026, Steves was credited with 3,433 shares of Class A Common Stock at a value of $0 upon the vesting of those same PSUs. The award followed Casella Waste Systems' attainment of specified performance targets for the period from January 1, 2025, to December 31, 2025, and reflects a multiplier tied to the company’s relative total shareholder return over the period January 1, 2023, through December 31, 2025.

Following the vesting and the sell-to-cover sale, Steves directly owns 9,669 shares of Casella Waste Systems Inc.

Casella’s market capitalization is reported at $5.84 billion. InvestingPro analysis included in the public summary classifies the company as overvalued within its valuation framework. An InvestingPro note also indicates the company remained profitable over the last twelve months and references additional tips available to subscribers.

Separately, Casella’s latest quarterly financial results for the fourth quarter of 2025 showed an earnings-per-share result of $0.30, surpassing analyst expectations of $0.25 - a 20% EPS surprise. Revenue for the quarter came in at $469.1 million, narrowly underperforming the forecasted $470.95 million. The combination of an EPS beat and a slight revenue miss is described as having contributed to mixed investor sentiment.

These disclosures and financial updates comprise the most recent public developments relating to Casella Waste Systems and its insider transactions.


Key details

  • Transaction: Sale of 1,199 Class A shares on February 27, 2026 for approximately $111,375.
  • Pricing: Weighted average sale price between $92.88 and $92.93; reference stock price $91.92.
  • Vesting: 3,433 shares issued on February 26, 2026 from PSUs granted March 10, 2023; sale executed to cover tax withholding per sell-to-cover instruction.

Context

The PSU issuance reflected achievement of performance objectives for calendar year 2025 and a relative total shareholder return multiplier for the 2023-2025 measurement period. The sale that followed was automatic and limited to the number of shares necessary to satisfy tax obligations associated with the vesting event.

Risks

  • Insider sales tied to tax withholding can affect short-term share supply and investor perception in the equities market - impacting stock liquidity and sentiment.
  • A revenue miss despite an EPS beat introduced mixed investor sentiment, which may increase near-term volatility for the company’s stock in the waste management sector.
  • Valuation assessments classifying the company as overvalued could influence investor demand and price momentum within the industrial and waste management sectors.

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