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BCS

Changes in Beneficial Ownership · 4

Waste Connections, Inc.

Changes in Beneficial Ownership

Filed Aug 21, 2026Accepted Aug 21, 2026, 4:11 PM EDTFiling CIK 1318220Accession 0001983938-26-000007
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Structured filing — 4

primarydocument.xml

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Filing details

Report period
2026-08-19
Issuer
Waste Connections, Inc.
Issuer CIK
0001318220
Trading symbol
WCN

Reporting owner 1

Name
NIELSEN III ROBERT
Reporting owner CIK
0001983938
Relationship
Officer
Officer title
SR VP Operations
Address
3 WATERWAY SQUARE PLACE, SUITE 110, THE WOODLANDS, TX, 77380

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Common Shares2026-08-19S · Form 4700.00D170.003,250.00D
Table key
S · Form 4
Sale on the market or privately
D
Direct

Signature 1

Signed
Robert Nielsen III
Date
2026-08-21

Company context

Waste Connections is an integrated solid waste services company that provides non-hazardous waste collection, transfer and disposal services, including by rail, along with resource recovery primarily through recycling and renewable fuels generation. The Company serves approximately nine million residential, commercial and industrial customers in mostly exclusive and secondary markets across 46 states in the U.S. and six provinces in Canada. Waste Connections also provides non-hazardous oilfield waste treatment, recovery and disposal services in several basins across the U.S. and Canada. Waste Connections views its sustainability efforts as integral to its business, with initiatives consistent with its objective of long-term value creation and focused on reducing emissions, increasing resource recovery of both recyclable commodities and clean energy fuels, reducing reliance on off-site disposal for landfill leachate, further improving safety and enhancing employee engagement. Visit wasteconnections.com/sustainability for more information and updates on our progress towards targeted achievement.

Current securities

Recent company filings

  1. 4 filingOct 29, 2026
  2. 144 filingOct 27, 2026
  3. 10-Q filingOct 22, 2026
  4. Results of Operations and Financial Condition · Regulation FD DisclosureOct 21, 2026
  5. 4 filingAug 20, 2026

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