As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

  4:12pm† Nielsen III Robert                4          Officer²    1:4K   Waste Connections, Inc.           Solium Capital Inc.      
 5/10/24  Harlan Michael W                  144                    1:5K   Waste Connections, Inc.           Wells Fargo Cle… Svcs/FA 
 4/25/24  Waste Connections, Inc.           8-K:7       4/25/24   10:183K                                   Toppan Merrill Bridge/FA 
 4/25/24  Waste Connections, Inc.           10-Q        3/31/24  102:12M                                    Toppan Merrill Bridge/FA 
 4/24/24  Waste Connections, Inc.           8-K:2,7,9   4/24/24   11:619K                                   Toppan Merrill Bridge/FA 
  4/4/24  Waste Connections, Inc.           DEFA14A                1:760K                                   Toppan Merrill/FA        
  4/4/24  Waste Connections, Inc.           DEF 14A     5/17/24   11:10M                                    Toppan Merrill/FA        
  4/4/24  Waste Connections, Inc.           ARS        12/31/23    1:4.9M                                   Toppan Merrill/FA        
 3/11/24  Little James                      4          Officer²    1:4K   Waste Connections, Inc.           Solium Capital Inc.      
 3/11/24  Guillet Edward E                  4          Director²   1:4K   Waste Connections, Inc.           Solium Capital Inc.      
  3/7/24  Little James                      144                    1:5K   Waste Connections, Inc.           Morgan Stanley … Svcs/FA 
  3/7/24  Guillet Edward E                  144                    1:5K   Waste Connections, Inc.           Fidelity Brokera… LLC/FA 
  3/5/24  Sparks Carl                       4          Director²   1:11K  Waste Connections, Inc.           Solium Capital Inc.      
  3/5/24  Sparks Carl                       3          Director²   1:4K   Waste Connections, Inc.           Solium Capital Inc.      
 2/29/24  Waste Connections, Inc.           8-K:1,2,9   2/27/24   11:1.4M                                   Toppan Merrill/FA        
 2/28/24  Rivard Philip                     4          Officer²    1:4K   Waste Connections, Inc.           Solium Capital Inc.      
 2/27/24  Cloninger Robert Michael          4          Officer²    1:7K   Waste Connections, Inc.           Solium Capital Inc.      
 2/26/24  Rivard Philip                     144         2/26/24    1:6K   Waste Connections, Inc.                                    
 2/26/24  Bertone Andrea E.                 4          Director²   1:4K   Waste Connections, Inc.           Solium Capital Inc.      
 2/23/24  Cloninger Robert Michael          144                    1:6K   Waste Connections, Inc.           Merri… Inc/Operations/FA 

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†	The Filing’s time of SEC acceptance (U.S. Eastern Time).  The SEC’s Filings System is “open” Monday through Friday from 6am to 10pm ET. Because the SEC “closes” at 5:30pm ET, most subsequently-accepted Filings won’t be released to the public until sometime after 6am ET the next day.
¹	Filing/Form Types:  /A
	3	Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3 { The Filer is an Insider² of the Issuer }.
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	10-Q	Quarterly Report — Form 10-Q.
	144	Notice of a Proposed Sale of Securities by an Insider — Form 144 { The Filer is an Insider² of the Issuer }.
	ARS	Annual Report to Security Holders.
	DEF 14A	Definitive Proxy Statement — Schedule 14A.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.