Domenic Pio - 13 Feb 2026 Form 4 Insider Report for Waste Connections, Inc. (WCN)

Role
SR VP Operations
Signature
Domenico (Dan) Pio
Issuer symbol
WCN
Transactions as of
13 Feb 2026
Net transactions value
-$475,671
Form type
4
Filing time
18 Feb 2026, 17:20:12 UTC
Previous filing
05 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
PIO DOMENIC SR VP Operations 6220 HIGHWAY 7, SUITE 600, WOODBRIDGE, ONTARIO, CANADA Domenico (Dan) Pio 18 Feb 2026 0001197038

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WCN Common Shares Options Exercise $0 +835 +13% $0.000000 7,366 14 Feb 2026 Direct
transaction WCN Common Shares Tax liability $71,640 -447 -6.1% $160.27 6,919 14 Feb 2026 Direct F1, F2
transaction WCN Common Shares Options Exercise $0 +913 +13% $0.000000 7,832 16 Feb 2026 Direct
transaction WCN Common Shares Tax liability $78,371 -489 -6.2% $160.27 7,343 16 Feb 2026 Direct F1, F2
transaction WCN Common Shares Options Exercise $0 +727 +9.9% $0.000000 8,070 17 Feb 2026 Direct
transaction WCN Common Shares Tax liability $62,937 -390 -4.8% $161.38 7,680 17 Feb 2026 Direct F1, F3
transaction WCN Common Shares Options Exercise $0 +3,041 +40% $0.000000 10,721 17 Feb 2026 Direct
transaction WCN Common Shares Tax liability $262,722 -1,628 -15% $161.38 9,093 17 Feb 2026 Direct F1, F3

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
transaction WCN Restricted Share Units Award $0 +3,114 $0.000000 3,114 13 Feb 2026 Common Shares 3,114 $0.000000 Direct F4
transaction WCN Restricted Share Units Award $0 +3,114 $0.000000 3,114 13 Feb 2026 Common Shares 3,114 $0.000000 Direct F5
transaction WCN Restricted Share Units Options Exercise $0 -835 -33% $0.000000 1,670 14 Feb 2026 Common Shares 835 $0.000000 Direct F6
transaction WCN Restricted Share Units Options Exercise $0 -913 -50% $0.000000 914 16 Feb 2026 Common Shares 913 $0.000000 Direct F7
transaction WCN Restricted Share Units Options Exercise $0 -727 -100% $0.000000 0 17 Feb 2026 Common Shares 727 $0.000000 Direct F8
transaction WCN Restricted Share Units Options Exercise $0 -3,041 -100% $0.000000 0 17 Feb 2026 Common Shares 3,041 $0.000000 Direct F9
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.
F2 For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. CAN $218.26 = US $160.2683
F3 For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. CAN $220.07 = US $161.3773
F4 Represents an award of restricted share units. The award shall vest 33 1/3% per year over a three-year period following the date of grant.
F5 Represents an award of performance-based restricted share units. 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 7,785 (250% of the target number).
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 vest in three equal annual installments. The common shares are reported in Table 1.
F7 Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 16. 2024 and vest in three equal annual installments. The common shares are reported in Table 1.
F8 Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 17, 2023 and vest in three equal annual installments. The common shares are reported in Table 1.
F9 Represents the conversion upon vesting of a performance-based restricted share unit award into common shares of the Issuer. The award was granted on February 17, 2023 and contained performance goals that the Issuer achieved over the three-year performance period from January 1, 2023 to December 31, 2025. The number of earned award units that vested at the end of the three-year performance period, as determined by the Compensation Committee of the Issuer's Board of Directors, was 139.5% of the target number of shares subject to the award. The common shares are reported on Table 1.