// company-profile

Casella Waste Systems Inc

CWST
ExchangeNasdaqSectorRefuse SystemsInc.DEFilings111Insiders16
// api This Casella Waste Systems Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 8 insiders purchased shares (net $998K) versus 1 sale. Buying was led by CASELLA DOUGLAS R.

// 90-day insight

Over the last 90 days, Casella Waste Systems Inc insiders bought $1.2M (8 transactions) and sold $1.3M (4 transactions).

  • Most active insider: CASELLA JOHN W with 4 transactions totaling $0.
  • Largest single sale: $534K by Coletta Edmond on May 19, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Casella Waste Systems Inc as of 2026-03-31

↓ decreasing
Total reported AUM
$5.29B
QoQ change
-17.1%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$515.8M
6.5M shares
#2
Conestoga Capital Advisors, LLC
CIK 1163744
$222.5M
2.8M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$222.1M
2.8M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 8, 2026Green Emily NagleCWST
Gift
600$0.00$0K
Jun 4, 2026CASELLA DOUGLAS RCWST
Award
1,793$83.65$150K
Jun 4, 2026DOODY JOSEPHCWST
Award
1,793$83.65$150K
Jun 4, 2026BURKE MICHAEL KCWST
Award
1,793$83.65$150K
Jun 4, 2026Green Emily NagleCWST
Award
1,793$83.65$150K

45 more transactions hidden

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