Casella Waste Systems Inc.

CWST·NASDAQ·$87.11Share Price as of 11/2·$5BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/07/26 10-QQ1 ended 03/31/2605/01/26 10-KFY 202502/20/26 10-QQ3 ended 09/30/2510/31/25 10-QQ2 ended 06/30/2507/31/25

Disclosures

8-KCurrent report10/01/26 8-KCurrent report08/06/26 8-K/ACurrent report (amended)07/20/26 8-KCurrent report07/01/26 8-KCurrent report06/08/26

Prospectuses and Registrations

S-3ASRAutomatic shelf registration10/31/24 424B5Prospectus supplement09/18/24 424B5Prospectus supplement09/17/24 S-8Registration of securities for employees08/02/24 424B5Prospectus supplement06/14/23

Proxies

DEF 14ADefinitive proxy04/17/26 DEFA14AAdditional proxy materials04/17/26 DEF 14ADefinitive proxy04/18/25 DEFA14AAdditional proxy materials04/18/25 DEF 14ADefinitive proxy04/19/24

Ownership

SC 13G/ABeneficial ownership (amended)10/09/26 144Proposed sale of securities09/03/26 Form 4Insider transaction09/03/26 144Proposed sale of securities08/26/26 Form 4Insider transaction08/26/26

Other

ARSAnnual report to shareholders04/17/26 ARSAnnual report to shareholders04/18/25 ARSAnnual report to shareholders04/19/24 UPLOADLetter from the SEC01/24/24 CORRESPCorrespondence with the SEC12/26/23