[Form 4] Waste Connections, Inc. Insider Trading Activity

Waste Connections, Inc. director Susan Lee reported several equity compensation moves.

Rhea-AI Filing Summary

Waste Connections, Inc. director Susan Lee reported several equity compensation moves. On February 13, 2026, she received two new grants of restricted share units totaling 1,122 units, each unit representing a contingent right to one common share that vests 50% immediately and 50% on the first anniversary of the award date. On the same day, 344 restricted share units vested and were converted into 344 common shares, with 185 common shares withheld to cover taxes at a value of US $160.2683 per share. On February 14, 2026, a further 279 restricted share units vested into 279 common shares, with 150 common shares similarly withheld for taxes. After these transactions, she directly held 12,204 common shares of Waste Connections.

Insider Trade Summary

623 shares exercised/converted

Exercise 8 txns

Insider Lee Susan

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Share Units	279	$0.00	$0.00
Exercise	Common Shares	279	$0.00	$0.00
Exercise Price or Tax Liability	Common Shares	150	$160.2683	$24K
Grant/Award	Restricted Share Units	435	$0.00	$0.00
Grant/Award	Restricted Share Units	687	$0.00	$0.00
Exercise	Restricted Share Units	344	$0.00	$0.00
Exercise	Common Shares	344	$0.00	$0.00
Exercise Price or Tax Liability	Common Shares	185	$160.2683	$30K

Holdings After Transaction: Restricted Share Units — 778 contracts (Direct); Common Shares — 12,204 shares (Direct)

Footnotes (6)

1. F1. Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.
2. F2. For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. CAN $218.26 = US $160.2683
3. F3. One Deferred Share Unit is the economic equivalent of one common share of the Issuer. Deferred Share Units will be settled in cash, common shares, or a combination thereof, at the sole discretion of the Issuer, and distributed to the reporting person upon such person's retirement and generally do not expire.
4. F4. Each restricted share unit represents a contingent right to receive one share of the Issuer's common shares. Subject to the reporting person's continued service with the Issuer, the award shall vest 50% immediately on the award date and 50% on the first anniversary of the award date.
5. F5. Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 13, 2026 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.
6. F6. Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2025 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

FAQ

What stock transactions did Waste Connections (WCN) director Susan Lee report?

Susan Lee reported vesting and conversion of restricted share units into common shares, new restricted share unit grants, and share disposals for tax withholding purposes. These moves reflect routine equity compensation activity rather than open-market buying or selling of Waste Connections stock.

How many new restricted share units did Susan Lee receive from Waste Connections (WCN)?

Susan Lee received two new restricted share unit awards totaling 1,122 units on February 13, 2026. Each unit is economically equivalent to one common share, subject to vesting conditions tied to her continued service with Waste Connections, Inc. as disclosed in the filing footnotes.

How many Waste Connections (WCN) shares were issued to Susan Lee from RSU vesting?

A total of 623 common shares were issued to Susan Lee upon vesting of restricted share units, 344 on February 13, 2026 and 279 on February 14, 2026. These conversions followed the vesting schedules described for the 2025 and 2026 RSU awards.

Were any Waste Connections (WCN) shares sold by Susan Lee on the open market?

The filing shows 335 common shares disposed of under code “F,” representing shares withheld to satisfy tax liabilities related to RSU vesting. These are tax-withholding dispositions, not open-market sales initiated for investment purposes by the director.

What is Susan Lee’s Waste Connections (WCN) share ownership after these transactions?

Following the reported RSU conversions and tax-withholding dispositions, Susan Lee directly owns 12,204 common shares of Waste Connections, Inc. This figure reflects her updated direct holdings after all February 13 and February 14, 2026 transactions reported in the Form 4.

How do Susan Lee’s restricted share units in Waste Connections (WCN) vest?

Each restricted share unit grant vests 50% immediately on the award date and 50% on the first anniversary, subject to continued service. Upon vesting, each unit converts into one common share, and a portion may be withheld to cover applicable tax obligations.

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Accepted by SEC EDGAR 02/18/2026 - 04:44 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lee Susan

(Last) (First) (Middle)

6220 HIGHWAY 7

SUITE 600

(Street)

WOODBRIDGE A6 L4H 4G3

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Waste Connections, Inc. [ WCN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/13/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	02/13/2026		M		344	A	$0.00	12,260	D
Common Shares	02/13/2026		F(1)		185	D	$160.2683(2)	12,075	D
Common Shares	02/14/2026		M		279	A	$0.00	12,354	D
Common Shares	02/14/2026		F(1)		150	D	$160.2683(2)	12,204	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Units	$0.00	02/13/2026		A		435		(3)	(3)	Common Shares	435	$0.00	435	D
Restricted Share Units	$0.00	02/13/2026		A		687		(4)	(4)	Common Shares	687	$0.00	687	D
Restricted Share Units	$0.00	02/13/2026		M			344	(5)	(5)	Common Shares	344	$0.00	343	D
Restricted Share Units	$0.00	02/14/2026		M			279	(6)	(6)	Common Shares	279	$0.00	0.00	D

Explanation of Responses:

1. Represents shares withheld by the Issuer in satisfaction of the applicable withholding taxes due in connection with the vesting of restricted share units and delivery of the converted common shares.

2. For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. CAN $218.26 = US $160.2683

3. One Deferred Share Unit is the economic equivalent of one common share of the Issuer. Deferred Share Units will be settled in cash, common shares, or a combination thereof, at the sole discretion of the Issuer, and distributed to the reporting person upon such person's retirement and generally do not expire.

4. Each restricted share unit represents a contingent right to receive one share of the Issuer's common shares. Subject to the reporting person's continued service with the Issuer, the award shall vest 50% immediately on the award date and 50% on the first anniversary of the award date.

5. Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 13, 2026 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

6. Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2025 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

Remarks:

	Susan Lee	02/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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