X0508 4 2024-02-16 false 0001318220 Waste Connections, Inc. WCN 0001616193 Cloninger Robert Michael 3 WATERWAY SQUARE PLACE SUITE 110 THE WOODLANDS TX 77380 false true false false SR VP, Deputy General Counsel false Common Shares 2024-02-17 4 M false 484.00 0.00 A 13094.00 D Common Shares 2024-02-17 4 F false 191.00 167.87 D 12903.00 D Common Shares 2024-02-18 4 M false 635.00 0.00 A 13538.00 D Common Shares 2024-02-18 4 F false 250.00 167.87 D 13288.00 D Common Shares 2024-02-19 4 M false 670.00 0.00 A 13958.00 D Common Shares 2024-02-19 4 F false 264.00 167.87 D 13694.00 D Common Shares 2024-02-19 4 M false 3877.00 0.00 A 17571.00 D Common Shares 2024-02-19 4 F false 1526.00 167.87 D 16045.00 D Common Shares 1932.8148 I by son Common Shares 1932.8777 I by daughter Common Shares 1933.1389 I by son Restricted Shares Units 0.00 2024-02-16 4 A false 1823.00 0.00 A Common Shares 1823.00 1823.00 D Restricted Share Units 0.00 2024-02-16 4 A false 1823.00 0.00 A Common Shares 1823.00 1823.00 D Restricted Share Units 0.00 2024-02-17 4 M false 484.00 0.00 D Common Shares 484.00 1452.00 D Restricted Share Units 0.00 2024-02-18 4 M false 635.00 0.00 D Common Shares 635.00 1271.00 D Restricted Share Units 0.00 2024-02-19 4 M false 670.00 0.00 D Common Shares 670.00 671.00 D Performance Share Units 0.00 2024-02-19 4 M false 3877.00 0.00 D Common Shares 3877.00 0.00 D 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. Represents an award of restricted share units. The award shall vest 25% per year over a four-year period following the date of grant. 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 4,557 (250% of the target number). 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 four equal annual installments. The common shares are reported in Table 1. Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 18, 2022 and vest in four equal annual installments. The common shares are reported in Table 1. Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 19, 2021 and vest in four equal annual installments. The common shares are reported in Table 1. 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 19, 2021 and contained performance goals that the Issuer achieved over the three-year performance period from January 1, 2021 to December 31, 2023. 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 144.5% of the target number of shares subject to the award. The common shares are reported on Table 1. Robert Cloninger 2024-02-21