# Casella Waste Systems Inc: overview

CWST · Nasdaq · CIK 911177 · [Utilities](/sectors/utilities.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/cwst.md) · [Financials](/companies/cwst/financials.md) · [Filings](/companies/cwst/filings.md) · [Insiders](/companies/cwst/insiders.md)

Latest reported revenue: [$543.7m](/filings/0000911177-26-000049.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 7, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0000911177-26-000049).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [412](/filings/0000911177-25-000125.md) | [427 d](/filings/0000911177-26-000008.md) | [417](/filings/0000911177-26-000021.md) | [465](/filings/0000911177-26-000049.md) | [485](/filings/0000911177-25-000125.md) | [469 d](/filings/0000911177-26-000008.md) | [457](/filings/0000911177-26-000021.md) | [544](/filings/0000911177-26-000049.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | [5.9%](/filings/0000911177-25-000125.md) | [4.3% d](/filings/0000911177-26-000008.md) | [0.8%](/filings/0000911177-26-000021.md) | [4.1%](/filings/0000911177-26-000049.md) | [6.1%](/filings/0000911177-25-000125.md) | [2.5% d](/filings/0000911177-26-000008.md) | [1.1%](/filings/0000911177-26-000021.md) | [3.7%](/filings/0000911177-26-000049.md) |
| Net margin | % | [1.4%](/filings/0000911177-25-000125.md) | [1.1% d](/filings/0000911177-26-000008.md) | [(1.2%)](/filings/0000911177-26-000049.md) | [1.1%](/filings/0000911177-26-000049.md) | [2.1%](/filings/0000911177-25-000125.md) | [(0.5%) d](/filings/0000911177-26-000008.md) | [(1.2%)](/filings/0000911177-26-000049.md) | [0.7%](/filings/0000911177-26-000049.md) |
| Diluted EPS | $ per share | [0.10](/filings/0000911177-25-000125.md) | not reported | [(0.08)](/filings/0000911177-26-000021.md) | [0.08](/filings/0000911177-26-000049.md) | [0.16](/filings/0000911177-25-000125.md) | not reported | [(0.09)](/filings/0000911177-26-000021.md) | [0.06](/filings/0000911177-26-000049.md) |
| Free cash flow | $m | [40.4 d](/filings/0000911177-25-000125.md) | [32.9 d](/filings/0000911177-26-000008.md) | [(5.4)](/filings/0000911177-26-000021.md) | [23.1 d](/filings/0000911177-26-000049.md) | [27.6 d](/filings/0000911177-25-000125.md) | [39.3 d](/filings/0000911177-26-000008.md) | [12.3](/filings/0000911177-26-000021.md) | [26.5 d](/filings/0000911177-26-000049.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [889](/filings/0000911177-24-000005.md) | [1,085](/filings/0000911177-25-000010.md) | [1,265](/filings/0000911177-26-000008.md) | [1,557](/filings/0000911177-26-000008.md) | [1,837](/filings/0000911177-26-000008.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | [8.7%](/filings/0000911177-24-000005.md) | [8.8%](/filings/0000911177-25-000010.md) | [6.4%](/filings/0000911177-26-000008.md) | [4.7%](/filings/0000911177-26-000008.md) | [3.5%](/filings/0000911177-26-000008.md) |
| Net margin | % | [4.6%](/filings/0000911177-24-000005.md) | [4.9%](/filings/0000911177-25-000010.md) | [2.0%](/filings/0000911177-26-000008.md) | [0.9%](/filings/0000911177-26-000008.md) | [0.4%](/filings/0000911177-26-000008.md) |
| Diluted EPS | $ per share | [0.80](/filings/0000911177-24-000005.md) | [1.03](/filings/0000911177-25-000010.md) | [0.46](/filings/0000911177-26-000008.md) | [0.23](/filings/0000911177-26-000008.md) | [0.12](/filings/0000911177-26-000008.md) |
| Free cash flow | $m | [59.4](/filings/0000911177-24-000005.md) | [86.4](/filings/0000911177-25-000010.md) | [78.2](/filings/0000911177-26-000008.md) | [78.1](/filings/0000911177-26-000008.md) | [84.7](/filings/0000911177-26-000008.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/cwst/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $910.6m | 9,390,112 |  | Added +342,840 |
| [WASATCH ADVISORS LP](/funds/814133.md) | 2026-06-30 | $342.5m | 3,531,594 |  | Added +949,374 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $334.4m | 3,448,748 |  | Added +95,507 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $273.7m | 2,823,033 |  | Added +24,106 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $244.4m | 2,520,170 |  | Added +130,973 |
| [Conestoga Capital Advisors, LLC](/funds/1163744.md) | 2026-06-30 | $226.5m | 2,336,156 |  | Reduced −468,319 |
| [Capital International Investors](/funds/1562230.md) | 2026-06-30 | $199.2m | 2,054,399 |  | Added +101,579 |
| [Capital Research Global Investors](/funds/1422848.md) | 2026-06-30 | $196.7m | 2,028,646 |  | Reduced −301,519 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $159.8m | 1,647,147 |  | Added +93,984 |
| [JPMORGAN CHASE & CO](/funds/19617.md) | 2026-06-30 | $145.9m | 1,544,116 |  | Added +185,242 |

## Recent filings

[All 1,365 filings](/companies/cwst/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-01 | 12:21 ET | [8-K](/filings/0000911177-26-000052.md) | 7.01 Regulation FD disclosure | 0000911177-26-000052 |
| 2026-08-07 | 20:13 ET | [10-Q](/filings/0000911177-26-000049.md) | Quarterly report, period 2026-06-30 | 0000911177-26-000049 |
| 2026-08-06 | 20:12 ET | [8-K](/filings/0000911177-26-000041.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000911177-26-000041 |
| 2026-07-20 | 21:19 ET | [8-K/A](/filings/0000911177-26-000038.md) | 5.02 Departure or appointment of officers or directors | 0000911177-26-000038 |
| 2026-07-01 | 12:27 ET | [8-K](/filings/0000911177-26-000035.md) | 5.02 Departure or appointment of officers or directors | 0000911177-26-000035 |
| 2026-06-08 | 20:56 ET | [8-K](/filings/0000911177-26-000033.md) | 5.07 Shareholder vote results | 0000911177-26-000033 |
| 2026-06-01 | 20:49 ET | [8-K](/filings/0000911177-26-000030.md) | 8.01 Other events | 0000911177-26-000030 |
| 2026-05-27 | 16:50 ET | [8-K](/filings/0000911177-26-000028.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000911177-26-000028 |
| 2026-05-11 | 21:04 ET | [8-K](/filings/0000911177-26-000024.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000911177-26-000024 |
| 2026-05-01 | 20:33 ET | [10-Q](/filings/0000911177-26-000021.md) | Quarterly report, period 2026-03-31 | 0000911177-26-000021 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0000911177-26-000008.md), filed Feb 20, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/0a35d9a4-9f32-4764-b7f2-66772b74b7b9)

## About the filer

- CIK: 911177
- Tickers: CWST
- Exchange: Nasdaq
- SIC code: 4953 Refuse Systems
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:28 ET. No prices; not investment advice.