0001950047-24-005713.txt : 20240731 0001950047-24-005713.hdr.sgml : 20240731 20240731171825 ACCESSION NUMBER: 0001950047-24-005713 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240731 DATE AS OF CHANGE: 20240731 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Waste Connections, Inc. CENTRAL INDEX KEY: 0001318220 STANDARD INDUSTRIAL CLASSIFICATION: REFUSE SYSTEMS [4953] ORGANIZATION NAME: 01 Energy & Transportation IRS NUMBER: 000000000 STATE OF INCORPORATION: A6 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-34370 FILM NUMBER: 241163039 BUSINESS ADDRESS: STREET 1: 6220 HWY 7 STREET 2: SUITE 600 CITY: WOODBRIDGE STATE: A6 ZIP: L4H 4G3 BUSINESS PHONE: (905) 532-7510 MAIL ADDRESS: STREET 1: 6220 HWY 7 STREET 2: SUITE 600 CITY: WOODBRIDGE STATE: A6 ZIP: L4H 4G3 FORMER COMPANY: FORMER CONFORMED NAME: Progressive Waste Solutions Ltd. DATE OF NAME CHANGE: 20110503 FORMER COMPANY: FORMER CONFORMED NAME: IESI-BFC Ltd DATE OF NAME CHANGE: 20090522 FORMER COMPANY: FORMER CONFORMED NAME: BFI Canada Ltd DATE OF NAME CHANGE: 20081015 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Whitney Mary Anne CENTRAL INDEX KEY: 0001544202 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 3 WATERWAY SQUARE PLACE STREET 2: SUITE #110 CITY: THE WOODLANDS STATE: TX ZIP: 77380 144 1 primary_doc.xml 144 0001544202 XXXXXXXX LIVE 0001318220 WASTE CONNECTIONS, INC. 001-34370 6220 Hwy 7, Suite 600 Woodbridge Ontario A6 L4H4G3 (905) 532-7510 MARK A WHITNEY &MARY ANNE G WHITNEY JT TEN Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

16300 2902254.12 258023240 07/31/2024 NYSE Common 02/14/2022 Restricted stock vesting under a registered plan Issuer N 602 02/14/2022 Not Applicable Common 02/24/2021 Restricted stock vesting under a registered plan Issuer N 544 02/24/2021 Not Applicable Common 02/18/2024 Restricted stock vesting under a registered plan Issuer N 870 02/18/2024 Not Applicable Common 02/20/2021 Restricted stock vesting under a registered plan Issuer N 1844 02/20/2021 Not Applicable Common 02/19/2022 Restricted stock vesting under a registered plan Issuer N 980 02/19/2022 Not Applicable Common 02/15/2021 Restricted stock vesting under a registered plan Issuer N 499 02/15/2021 Not Applicable Common 02/20/2022 Restricted stock vesting under a registered plan Issuer N 614 02/20/2022 Not Applicable Common 02/18/2023 Restricted stock vesting under a registered plan Issuer N 870 02/18/2023 Not Applicable Common 02/15/2022 Restricted stock vesting under a registered plan Issuer N 532 02/15/2022 Not Applicable Common 02/17/2024 Restricted stock vesting under a registered plan Issuer N 684 02/17/2024 Not Applicable Common 02/14/2024 Restricted stock vesting under a registered plan Issuer N 636 02/14/2024 Not Applicable Common 02/19/2024 Restricted stock vesting under a registered plan Issuer N 6645 02/19/2024 Not Applicable Common 02/19/2023 Restricted stock vesting under a registered plan Issuer N 980 02/19/2023 Not Applicable Y 07/31/2024 /s/ Mary Anne Whitney