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 |
|---|---|---|---|---|---|---|
| Sayward Shelley E. | SENIOR VP & GENERA… | SELL | $100K–$500K | 2K | $90.00 | Feb 29, 2024 |
| Sayward Shelley E. | SENIOR VP & GENERA… | GRANT | N/A | 5K | — | Feb 29, 2024 |
| Steves Sean | Sr VP & COO of SW … | SELL | $15K–$50K | 358 | $89.34 | Feb 29, 2024 |
| Steves Sean | Sr VP & COO of SW … | GRANT | N/A | 964 | — | Feb 29, 2024 |
| Ligon Paul | SR VP of Sustainab… | GRANT | N/A | 2K | — | Feb 29, 2024 |
| Ligon Paul | SR VP of Sustainab… | SELL | $50K–$100K | 605 | $89.06 | Feb 29, 2024 |
| Drohan Kevin | VP & CHIEF ACCOUNT… | SELL | $15K–$50K | 213 | $78.23 | Sep 5, 2023 |
| Coletta Edmond | PRESIDENT & CFO | SELL | $500K+ | 10K | $81.66 | Aug 24, 2023 |
| Ligon Paul | SR VP of Sustainab… | SELL | $100K–$500K | 3K | $78.76 | Aug 11, 2023 |
| HULLIGAN WILLIAM P | Director | SELL | $100K–$500K | 5K | $79.98 | Aug 11, 2023 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | SELL | $1M+ | 25K | $80.11 | Aug 10, 2023 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | EXERCISE | $1K–$15K | 724 | $5.54 | Aug 4, 2023 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $1M+ | 36K | $81.40 | Aug 4, 2023 |
| Drohan Kevin | VP & CHIEF ACCOUNT… | SELL | $1K–$15K | 56 | $82.23 | Mar 16, 2023 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | SELL | $50K–$100K | 916 | $82.23 | Mar 16, 2023 |
| Steves Sean | Sr VP & COO of SW … | SELL | $1K–$15K | 180 | $82.23 | Mar 16, 2023 |
| Coletta Edmond | PRESIDENT & CFO | SELL | $100K–$500K | 2K | $82.23 | Mar 16, 2023 |
| Ligon Paul | SR VP of Sustainab… | SELL | $15K–$50K | 424 | $82.23 | Mar 16, 2023 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $100K–$500K | 3K | $82.23 | Mar 16, 2023 |
| Sayward Shelley E. | SENIOR VP & GENERA… | SELL | $15K–$50K | 243 | $82.23 | Mar 16, 2023 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $1M+ | 34K | $75.65 | Feb 24, 2023 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | GRANT | N/A | 66K | — | Feb 24, 2023 |
| Coletta Edmond | PRESIDENT & CFO | SELL | $1M+ | 16K | $75.65 | Feb 24, 2023 |
| Coletta Edmond | PRESIDENT & CFO | GRANT | N/A | 33K | — | Feb 24, 2023 |
| Ligon Paul | SR VP of Sustainab… | SELL | $50K–$100K | 869 | $75.65 | Feb 24, 2023 |
| Ligon Paul | SR VP of Sustainab… | GRANT | N/A | 3K | — | Feb 24, 2023 |
| Sayward Shelley E. | SENIOR VP & GENERA… | GRANT | N/A | 2K | — | Feb 24, 2023 |
| Sayward Shelley E. | SENIOR VP & GENERA… | SELL | $15K–$50K | 494 | $75.65 | Feb 24, 2023 |
| Steves Sean | Sr VP & COO of SW … | GRANT | N/A | 2K | — | Feb 24, 2023 |
| Steves Sean | Sr VP & COO of SW … | SELL | $15K–$50K | 494 | $75.65 | Feb 24, 2023 |
| Ligon Paul | SR VP & CHIEF REVE… | SELL | $100K–$500K | 1K | $78.72 | Jan 18, 2023 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $1M+ | 19K | $81.66 | Nov 15, 2022 |
| BURKE MICHAEL K | Director | SELL | $100K–$500K | 4K | $82.45 | Nov 14, 2022 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | SELL | $1M+ | 50K | $80.99 | Nov 8, 2022 |
| Drohan Kevin | VP & CHIEF ACCOUNT… | SELL | $15K–$50K | 212 | $82.25 | Sep 1, 2022 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | SELL | $1M+ | 20K | $84.08 | Aug 23, 2022 |
| BURKE MICHAEL K | Director | SELL | $100K–$500K | 5K | $84.73 | Aug 15, 2022 |
| Ligon Paul | SR VP & CHIEF REVE… | SELL | $100K–$500K | 1K | $85.30 | Aug 11, 2022 |
| Coletta Edmond | PRESIDENT & CFO | SELL | $500K+ | 10K | $83.79 | Aug 5, 2022 |
| Johnson Edwin D | PRESIDENT & COO | SELL | $1M+ | 14K | $90.89 | Apr 14, 2022 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | SELL | $1M+ | 18K | $87.99 | Mar 16, 2022 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $100K–$500K | 3K | $87.42 | Mar 16, 2022 |
| Johnson Edwin D | PRESIDENT & COO | SELL | $100K–$500K | 1K | $87.42 | Mar 16, 2022 |
| Coletta Edmond | SENIOR VICE PRESID… | SELL | $100K–$500K | 2K | $87.42 | Mar 16, 2022 |
| Sayward Shelley E. | SENIOR VP & GENERA… | SELL | $15K–$50K | 191 | $87.42 | Mar 16, 2022 |
| Heald Christopher | VP & CHIEF ACCOUNT… | SELL | $15K–$50K | 382 | $87.42 | Mar 16, 2022 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | GRANT | N/A | 2K | — | Mar 15, 2022 |
| CASELLA DOUGLAS R | VICE CHAIRMAN | SELL | $1M+ | 13K | $85.97 | Mar 15, 2022 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | GRANT | N/A | 4K | — | Mar 15, 2022 |
| CASELLA JOHN W | CHIEF EXECUTIVE OF… | SELL | $1M+ | 16K | $90.42 | Mar 15, 2022 |
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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