Company profile
Casella Waste Systems Inc Insider Trading
CWSTEvery SEC Form 4 insider trading filing for Casella Waste Systems Inc (CWST) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Refuse Systems
- CIK
- 0000911177
- Filings
- 113
- Insiders
- 17
- Last filing
- 2026-08-14
Activity summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $1.5M across 3 transactions, with 1 offsetting purchase.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Casella Waste Systems Inc insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $11.4M.
90 day insight
Over the last 90 days, Casella Waste Systems Inc insiders bought $1.2M (9 transactions) and sold $1.7M (4 transactions).
- Most active insider: Casella Douglas R with 4 transactions totaling $1.7M.
- Largest single sale: $1.2M by Casella Douglas R on Aug 13, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 14, 2026 | Casella Douglas R | CWST | Sale | 1,343 | $91.12 | $122K |
| Aug 13, 2026 | Casella Douglas R | CWST | Sale | 13,319 | $91.07 | $1.21M |
| Aug 13, 2026 | Casella Douglas R | CWST | Sale | 1,838 | $90.89 | $167K |
| Aug 11, 2026 | Ribar Damian Andrew | CWST | Award | 25,000 | — | — |
| Jun 8, 2026 | Green Emily Nagle | CWST | Gift | 600 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Casella Waste Systems Inc as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →