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Casella Waste Systems Inc

CWST
Exchange
Nasdaq
Industry
Refuse Systems
SEC CIK
0000911177

In the last 90 days, Casella Waste Systems Inc insiders filed 0 open-market purchases and 3 sales; 418 institutions reported holding it in 13F filings for Q2 2026, worth $7.49B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Casella Waste Systems Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
3 filings
2 insiders, $1.71M in total
Insiders trading
2
Net value
−$1.71M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Casella Waste Systems Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Casella Waste Systems Inc
NameTitleLast reported holdingLast filingFilings, past year
Burke Michael KDirector13,641Sep 3, 20264
Casella Douglas RVICE CHAIRMAN, BD OF DIRECTORS90,141Aug 14, 20264
Ribar Damian AndrewExecutive VP and COO–Aug 12, 20261
Green Emily NagleDirector16,902Jun 10, 20264
Doody JosephDirector13,143Jun 5, 20261
Hulligan William PDirector8,161Jun 5, 20261
Battles Michael LouisDirector10,289Jun 5, 20261
Kirk Rose M.Director9,835Jun 5, 20261
Sova GaryDirector8,204Jun 5, 20261
Casella John WDirector167,800IndirectJun 2, 20263
Coletta EdmondPRESIDENT & CEO140,118May 22, 20264
Rains Christopher AlanSr. VP & Chief Revenue Officer989Mar 17, 20261
Helgeson Bradford JohnExecutive VP and CFO7,342Mar 16, 20262
Sayward Shelley E.SENIOR VP & GENERAL COUNSEL28,369Mar 16, 20262
Drohan KevinVP & CHIEF ACCOUNTING OFFICER7,873Mar 16, 20262
Steves SeanSr VP & COO of SW Ops9,375Mar 16, 20262
Ligon PaulSR VP of Sustainable Growth18,347Aug 5, 20250
Johnson Edwin DPRESIDENT & COO121,252Jun 6, 20220
Heald ChristopherVP & CHIEF ACCOUNTING OFFICER38,664Mar 16, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 5, 2025 (view filing)Aug 41 dayLigon PaulSR VP of Sustainable GrowthSSaleClass A Common Stock−1.00K$102.84−$102.8K−5.2%18.3K after10b5-1
Nov 6, 2025 (view filing)Nov 42 daysGreen Emily NagleDirectorSSaleClass A Common Stock−1.12K$89.38−$99.7K−16.5%5.65K after
Nov 10, 2025 (view filing)Nov 73 daysHelgeson Bradford JohnExecutive VP and CFOSSaleClass A Common Stock−262$87.65−$23.0K−5.0%4.99K after10b5-1
Dec 9, 2025 (view filing)Dec 81 dayColetta EdmondPRESIDENTSSaleClass A Common Stock−7.00K$100.07−$700.5K−4.7%141.1K after
Mar 2, 2026 (view filing)Feb 273 daysCasella John WCHIEF EXECUTIVE OFFICERSSaleClass A Common Stock−6.73K$93.10−$626.2K−19.4%28.0K after
Mar 2, 2026 (view filing)Feb 273 daysColetta EdmondPRESIDENTSSaleClass A Common Stock−3.81K$93.70−$357.2K−2.5%147.1K after
Mar 2, 2026 (view filing)Feb 273 daysSayward Shelley E.SENIOR VP & GENERAL COUNSELSSaleClass A Common Stock−1.59K$92.91−$147.8K−5.5%27.2K after
Mar 2, 2026 (view filing)Feb 273 daysDrohan KevinVP & CHIEF ACCOUNTING OFFICERSSaleClass A Common Stock−675$92.61−$62.5K−8.3%7.46K after
Mar 2, 2026 (view filing)Feb 273 daysSteves SeanSr VP & COO of SW OpsSSaleClass A Common Stock−1.20K$92.89−$111.4K−11.0%9.67K after
Mar 16, 2026 (view filing)Mar 12-164 daysCasella John WDirectorSSaleClass A Common Stock−2.71K$88.58−$239.8K−8.1%30.8K after2 lots10b5-1
Mar 16, 2026 (view filing)Mar 12-164 daysColetta EdmondPRESIDENT & CEOSSaleClass A Common Stock−1.36K$88.36−$120.6K−0.9%152.6K after2 lots10b5-1
Mar 16, 2026 (view filing)Mar 16Same dayHelgeson Bradford JohnExecutive VP and CFOSSaleClass A Common Stock−405$87.73−$35.5K−5.2%7.34K after10b5-1
Mar 16, 2026 (view filing)Mar 12-164 daysSayward Shelley E.SENIOR VP & GENERAL COUNSELSSaleClass A Common Stock−491$88.25−$43.3K−1.7%28.4K after2 lots10b5-1
Mar 16, 2026 (view filing)Mar 12-164 daysDrohan KevinVP & CHIEF ACCOUNTING OFFICERSSaleClass A Common Stock−140$88.43−$12.4K−1.7%7.87K after2 lots10b5-1
Mar 16, 2026 (view filing)Mar 12-164 daysSteves SeanSr VP & COO of SW OpsSSaleClass A Common Stock−294$88.43−$26.0K−3.0%9.38K after2 lots10b5-1
May 22, 2026 (view filing)May 193 daysLateColetta EdmondPRESIDENT & CEOSSaleClass A Common Stock−12.5K$89.56−$1.12M−8.2%140.1K after3 lots
May 27, 2026 (view filing)May 261 dayBurke Michael KDirectorSSaleClass A Common Stock−2.31K$87.56−$201.8K−14.1%14.0K after
Aug 14, 2026 (view filing)5:16 PM ETAug 13-141 dayCasella Douglas RVICE CHAIRMAN, BD OF DIRECTORSSSaleClass A Common Stock−16.5K$91.05−$1.50M−15.5%90.1K after3 lots
Aug 26, 2026 (view filing)4:45 PM ETAug 26Same dayBurke Michael KDirectorSSaleClass A Common Stock−1.10K$92.99−$102.3K−6.9%14.7K after
Sep 3, 2026 (view filing)4:29 PM ETSep 3Same dayBurke Michael KDirectorSSaleClass A Common Stock−1.10K$95.26−$104.8K−7.5%13.6K after