CWST
CASELLA WASTE SYSTEMS INC
Refuse SystemsNasdaqLarge accelerated filer
Total Trades
116
Buys
0
Sells
84
Largest Trade
N/A
Insiders
13
Institutional Funds
335
Inst. Value
$1M+
Activist Filings
14
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Steves Sean | Sr VP & COO of SW … | GRANT | N/A | 3K | — | Mar 2, 2026 |
| Steves Sean | Sr VP & COO of SW … | SELL | $100K–$500K | 1K | $92.89 | Mar 2, 2026 |
| Drohan Kevin | VP & CHIEF ACCOUNT… | GRANT | N/A | 2K | — | Mar 2, 2026 |
| Drohan Kevin | VP & CHIEF ACCOUNT… | SELL | $50K–$100K | 675 | $92.61 | Mar 2, 2026 |
| Coletta Edmond | PRESIDENT | SELL | $100K–$500K | 4K | $93.70 | Mar 2, 2026 |
| Coletta Edmond | PRESIDENT | GRANT | N/A | 10K | — | Mar 2, 2026 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | GRANT | N/A | 23K | — | Mar 2, 2026 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $500K+ | 7K | $93.10 | Mar 2, 2026 |
| Sayward Shelley E. | SENIOR VP & GENERA… | GRANT | N/A | 5K | — | Mar 2, 2026 |
| Sayward Shelley E. | SENIOR VP & GENERA… | SELL | $100K–$500K | 2K | $92.91 | Mar 2, 2026 |
| Coletta Edmond | PRESIDENT | SELL | $500K+ | 7K | $100.07 | Dec 9, 2025 |
| Helgeson Bradford John | Executive VP and CFO | SELL | $15K–$50K | 262 | $87.65 | Nov 10, 2025 |
| Green Emily Nagle | Director | SELL | $50K–$100K | 1K | $89.38 | Nov 6, 2025 |
| Ligon Paul | SR VP of Sustainab… | SELL | $100K–$500K | 1K | $116.98 | Jun 4, 2025 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $1M+ | 18K | $119.87 | May 9, 2025 |
| Coletta Edmond | PRESIDENT | SELL | $500K+ | 6K | $119.18 | May 7, 2025 |
| Ligon Paul | SR VP of Sustainab… | SELL | $100K–$500K | 2K | $118.67 | Apr 17, 2025 |
| Coletta Edmond | PRESIDENT | GRANT | N/A | 4K | — | Mar 14, 2025 |
| Coletta Edmond | PRESIDENT | SELL | $500K+ | 6K | $105.11 | Mar 14, 2025 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $100K–$500K | 3K | $106.31 | Mar 14, 2025 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | GRANT | N/A | 6K | — | Mar 14, 2025 |
| Ligon Paul | SR VP of Sustainab… | GRANT | N/A | 475 | — | Mar 14, 2025 |
| Ligon Paul | SR VP of Sustainab… | SELL | $15K–$50K | 182 | $105.73 | Mar 14, 2025 |
| Drohan Kevin | VP & CHIEF ACCOUNT… | SELL | $15K–$50K | 188 | $105.88 | Mar 14, 2025 |
| Drohan Kevin | VP & CHIEF ACCOUNT… | GRANT | N/A | 475 | — | Mar 14, 2025 |
| Sayward Shelley E. | SENIOR VP & GENERA… | SELL | $50K–$100K | 587 | $105.69 | Mar 14, 2025 |
| Sayward Shelley E. | SENIOR VP & GENERA… | GRANT | N/A | 1K | — | Mar 14, 2025 |
| Steves Sean | Sr VP & COO of SW … | SELL | $15K–$50K | 279 | $105.67 | Mar 14, 2025 |
| Steves Sean | Sr VP & COO of SW … | GRANT | N/A | 951 | — | Mar 14, 2025 |
| Helgeson Bradford John | Executive VP and CFO | SELL | $15K–$50K | 197 | $103.87 | Mar 14, 2025 |
| Helgeson Bradford John | Executive VP and CFO | GRANT | N/A | 2K | — | Mar 14, 2025 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | GRANT | N/A | 2K | — | Mar 14, 2025 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | SELL | $50K–$100K | 696 | $106.00 | Mar 14, 2025 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | SELL | $500K+ | 5K | $111.94 | Mar 12, 2025 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | SELL | $1M+ | 20K | $112.26 | Nov 25, 2024 |
| BURKE MICHAEL K | Director | SELL | $100K–$500K | 2K | $112.88 | Nov 25, 2024 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | EXERCISE | $100K–$500K | 28K | $12.48 | Nov 18, 2024 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $1M+ | 28K | $106.43 | Nov 18, 2024 |
| Steves Sean | Sr VP & COO of SW … | SELL | $100K–$500K | 1K | $108.27 | Nov 12, 2024 |
| Green Emily Nagle | Director | SELL | $50K–$100K | 745 | $105.14 | Nov 8, 2024 |
| Helgeson Bradford John | Executive VP and CFO | SELL | $15K–$50K | 197 | $106.68 | Nov 8, 2024 |
| Ligon Paul | SR VP of Sustainab… | SELL | $100K–$500K | 2K | $106.81 | Nov 7, 2024 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $1M+ | 24K | $100.79 | Nov 6, 2024 |
| Coletta Edmond | PRESIDENT | SELL | $1M+ | 20K | $100.11 | Nov 5, 2024 |
| HULLIGAN WILLIAM P | Director | SELL | $500K+ | 10K | $99.82 | Nov 5, 2024 |
| Drohan Kevin | VP & CHIEF ACCOUNT… | SELL | $15K–$50K | 214 | $105.42 | Sep 3, 2024 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $1M+ | 20K | $90.27 | Feb 29, 2024 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | GRANT | N/A | 41K | — | Feb 29, 2024 |
| Coletta Edmond | PRESIDENT | GRANT | N/A | 20K | — | Feb 29, 2024 |
| Coletta Edmond | PRESIDENT | SELL | $500K+ | 8K | $90.30 | Feb 29, 2024 |
🔓Seeing ranges? Sign in for exact trade values — free forever
Institutional Ownership
13F filings as of Dec 31, 2025 · 335 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| VANGUARD GROUP INC | 6.1M | $1M+ | SH |
| WASATCH ADVISORS LP | 3.8M | $1M+ | SH |
| Conestoga Capital Advisors, LLC | 2.8M | $1M+ | SH |
| Capital Research Global Investors | 2.5M | $1M+ | SH |
| STATE STREET CORP | 2.3M | $1M+ | SH |
| Capital International Investors | 2.0M | $1M+ | SH |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1.7M | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.5M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $1M+ | SH |
| EARNEST PARTNERS LLC | 1.2M | $1M+ | SH |
| Neuberger Berman Group LLC | 1.0M | $1M+ | SH |
| Pictet Asset Management Holding SA | 991K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 952K | $1M+ | SH |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 943K | $1M+ | SH |
| GENEVA CAPITAL MANAGEMENT LLC | 866K | $1M+ | SH |
| Clearbridge Investments, LLC | 751K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 673K | $1M+ | SH |
| TimesSquare Capital Management, LLC | 598K | $1M+ | SH |
| LOOMIS SAYLES & CO L P | 497K | $1M+ | SH |
| SEGALL BRYANT & HAMILL, LLC | 436K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jan 8, 2026
14.3%
8.9M shares
SC 13G/A · Jan 7, 2026
10.5%
6.6M shares
SC 13G · Aug 14, 2025
5.5%
3.4M shares
SC 13G/A · Jan 10, 2025
5.5%
3.4M shares
William Blair Investment Management, LLC
SC 13G/A · Nov 14, 2024
4.3%
2.7M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
9.6%
5.5M shares
William Blair Investment Management, LLC
SC 13G · Feb 12, 2024
5.1%
2.9M shares
SC 13G/A · Jan 26, 2024
7.2%
4.1M shares
SC 13G/A · Jul 10, 2023
3.9%
2.2M shares
SC 13G/A · Feb 14, 2023
5.5%
2.8M shares
SC 13G/A · Jan 31, 2023
6.5%
3.3M shares
SC 13G/A · Feb 11, 2022
6.1%
3.1M shares
SC 13G/A · Feb 1, 2022
6.4%
3.2M shares
Wells Fargo & Company (b) Tax ID 41-0449260
SC 13G/A · Jan 26, 2022
1.0%
512K shares