Derek Tan - May 19, 2025 Form 3 Insider Report for Waste Connections, Inc. (WCN)

Role: SR VP Chief Accounting Officer
Signature: Derek Tan
Stock symbol: WCN
Transactions as of: May 19, 2025
Transactions value $: $0
Form type: 3
Date filed: 5/23/2025, 04:14 PM
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
TAN DEREK	SR VP Chief Accounting Officer	3 WATERWAY SQUARE PLACE, SUITE 110, THE WOODLANDS	Derek Tan	2025-05-23	0002053089

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	WCN	Common Shares						1.17K	May 19, 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	WCN	Restricted Share Units							May 19, 2025	Common Shares	273	$0.00	Direct	F1
holding	WCN	Restricted Share Units							May 19, 2025	Common Shares	817	$0.00	Direct	F2
holding	WCN	Restricted Share Units							May 19, 2025	Common Shares	552	$0.00	Direct	F3
holding	WCN	Restricted Share Units							May 19, 2025	Common Shares	828	$0.00	Direct	F4
holding	WCN	Restricted Share Units							May 19, 2025	Common Shares	926	$0.00	Direct	F5
holding	WCN	Restricted Share Units							May 19, 2025	Common Shares	925	$0.00	Direct	F6
holding	WCN	Restricted Share Units							May 19, 2025	Common Shares	1.29K	$0.00	Direct	F7

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The restricted share units were awarded on February 17, 2023. The award vests in three equal annual instalments commencing on the first anniversary of the date of the award.
F2	Represents performance-based restricted share units awarded on February 17, 2023. The target number of units is presented in the table. Subject to certain continued employment conditions and subject to accelerated vesting in certain circumstances, the number of units that actually vest at the end of the three-year performance period will be 0% to 250% of the scheduled amount, depending on the extent to which the Issuer meets or exceeds certain performance goals at the end of each year during the performance period. The maximum number of units that may vest at the end of the three-year performance period is 2,042 (250% of the target number).
F3	The restricted share units were awarded on February 16, 2024. The award vests in three equal annual instalments commencing on the first anniversary of the date of the award.
F4	Represents performance-based restricted share units awarded on February 16, 2024. The target number of units is presented in the table. Subject to certain continued employment conditions and subject to accelerated vesting in certain circumstances, the number of units that actually vest at the end of the three-year performance period will be 0% to 250% of the scheduled amount, depending on the extent to which the Issuer meets or exceeds certain performance goals at the end of each year during the performance period. The maximum number of units that may vest at the end of the three-year performance period is 2,070 (250% of the target number).
F5	The restricted share units were awarded on February 14, 2025. The award vests in four equal annual installments commencing on the first anniversary of the date of the award.
F6	Represents performance-based restricted share units awarded on February 14, 2025. The target number of units is presented in the table. Subject to certain continued employment conditions and subject to accelerated vesting in certain circumstances, the number of units that actually vest at the end of the three-year performance period will be 0% to 250% of the scheduled amount, depending on the extent to which the Issuer meets or exceeds certain performance goals at the end of each year during the performance period. The maximum number of units that may vest at the end of the three-year performance period is 2,312 (250% of the target number).
F7	The restricted share units were awarded on February 25, 2025. The award fully vests on the fourth anniversary of the date of the award.