WCN SEC Filings: 8-K, 10-Q, S-3 & 424B – Waste Connections

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Oct 22, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Jul 23, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Apr 23, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Feb 12, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Oct 22, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Jul 24, 2025

News

TYPE

HEADLINE

FILED AT

Prospectus

TYPE

HEADLINE

FILED AT

424B5

REGISTERED OFFERING

Jul 29, 2026

424B5

PENDING FIXED PRICE OFFERING | Bank: CIBC Capital Markets, Scotiabank, TD Securities

Jul 27, 2026

424B5

FIXED PRICE OFFERING - SENIOR NOTES | Offering amount: $600,000,000 | Bank: BofA Securities

Mar 9, 2026

424B5

PENDING FIXED PRICE OFFERING | Bank: BofA Securities

Mar 5, 2026

424B5

Form 424B5 - Prospectus [Rule 424(b)(5)]

May 30, 2025

424B5

Form 424B5 - Prospectus [Rule 424(b)(5)]

May 28, 2025

Registrations

TYPE

HEADLINE

FILED AT

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Jul 27, 2026

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Mar 5, 2026

8-A12B

Form 8-A12B - Registration of securities [Section 12(b)]

Jun 17, 2025

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

May 28, 2025

S-3ASR

SHELF

Oct 24, 2024

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Jun 11, 2024

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 23, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 2, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 2, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 4, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 4, 2025

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 4, 2024

Ownerships

TYPE

HEADLINE

FILED AT

NIELSEN III ROBERT (Reporting)

Nov 3, 2026

Black Matthew Stephen (Reporting)

Nov 2, 2026

144

Form 144 - Report of proposed sale of securities

Oct 29, 2026

LITTLE JAMES (Reporting)

Oct 29, 2026

TAN DEREK (Reporting)

Oct 28, 2026

144

Form 144 - Report of proposed sale of securities

Oct 27, 2026

Other

TYPE

HEADLINE

FILED AT

LETTER

Form UPLOAD - SEC-generated letter

Sep 30, 2025

CORRESP

Form CORRESP - Correspondence

Sep 19, 2025

LETTER

Form UPLOAD - SEC-generated letter

Sep 8, 2025

LETTER

Form UPLOAD - SEC-generated letter

Mar 21, 2023

CORRESP

Form CORRESP - Correspondence

Mar 13, 2023

LETTER

Form UPLOAD - SEC-generated letter

Feb 28, 2023

Waste Connections, Inc. WCN · SEC Filings