WCN

SEC source: 0001562180-24-001502 · primarydocument.xml · derivative · entry 6

Bertone Andrea E. · CIK 0001766686 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 662

Underlying: Common Shares · 662 shares

Expires not disclosed

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

SEC source: 0001562180-24-001502 · primarydocument.xml · derivative · entry 5

Bertone Andrea E. · CIK 0001766686 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 420

Underlying: Common Shares · 420 shares

Expires not disclosed

F3 · derivative.exercise_date: One Deferred Share Unit is the economic equivalent of one common share of the Issuer. Deferred Share Units will be settled in cash upon distribution to the reporting person upon such person's retirement and generally do not expire.

F3 · derivative.expiration_date: One Deferred Share Unit is the economic equivalent of one common share of the Issuer. Deferred Share Units will be settled in cash upon distribution to the reporting person upon such person's retirement and generally do not expire.

SEC source: 0001562180-24-001502 · primarydocument.xml · nonDerivative · entry 2

Bertone Andrea E. · CIK 0001766686 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 713

F1 · kind: 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 · price: For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars. CAN $226.39 = US $167.7776

SEC source: 0001562180-24-001502 · primarydocument.xml · nonDerivative · entry 1

Bertone Andrea E. · CIK 0001766686 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 891

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001384 · primarydocument.xml · derivative · entry 3

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 663 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001384 · primarydocument.xml · nonDerivative · entry 2

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,751

F1 · kind: 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.

SEC source: 0001562180-24-001384 · primarydocument.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221,012

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001379 · primarydocument.xml · derivative · entry 3

CHAMBLISS DARRELL W · CIK 0001064311 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,338 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001379 · primarydocument.xml · nonDerivative · entry 2

CHAMBLISS DARRELL W · CIK 0001064311 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,430

F1 · kind: 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.

SEC source: 0001562180-24-001379 · primarydocument.xml · nonDerivative · entry 1

CHAMBLISS DARRELL W · CIK 0001064311 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,957

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001383 · primarydocument.xml · derivative · entry 4

LITTLE JAMES · CIK 0001130416 · Executive VP Engineering

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,075 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001383 · primarydocument.xml · nonDerivative · entry 2

LITTLE JAMES · CIK 0001130416 · Executive VP Engineering

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,023

F1 · kind: 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.

SEC source: 0001562180-24-001383 · primarydocument.xml · nonDerivative · entry 1

LITTLE JAMES · CIK 0001130416 · Executive VP Engineering

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,285

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001382 · primarydocument.xml · derivative · entry 3

HANSEN ERIC · CIK 0001132334 · Senior Vice President and CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 688 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001382 · primarydocument.xml · nonDerivative · entry 2

HANSEN ERIC · CIK 0001132334 · Senior Vice President and CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,857

F1 · kind: 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.

SEC source: 0001562180-24-001382 · primarydocument.xml · nonDerivative · entry 1

HANSEN ERIC · CIK 0001132334 · Senior Vice President and CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,128

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001388 · primarydocument.xml · derivative · entry 3

Shea Patrick James · CIK 0001428227 · Exec VP, General Counsel & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,090 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001388 · primarydocument.xml · nonDerivative · entry 2

Shea Patrick James · CIK 0001428227 · Exec VP, General Counsel & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,667

F1 · kind: 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.

SEC source: 0001562180-24-001388 · primarydocument.xml · nonDerivative · entry 1

Shea Patrick James · CIK 0001428227 · Exec VP, General Counsel & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,933

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001389 · primarydocument.xml · derivative · entry 3

Whitney Mary Anne · CIK 0001544202 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,050 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001389 · primarydocument.xml · nonDerivative · entry 2

Whitney Mary Anne · CIK 0001544202 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,000

F1 · kind: 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.

SEC source: 0001562180-24-001389 · primarydocument.xml · nonDerivative · entry 1

Whitney Mary Anne · CIK 0001544202 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,414

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001387 · primarydocument.xml · derivative · entry 3

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 600 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and vest in four equal annual installments. The common shares are reported in Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and vest in four equal annual installments. The common shares are reported in Table 1.

SEC source: 0001562180-24-001387 · primarydocument.xml · nonDerivative · entry 2

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 453

F1 · kind: 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.

SEC source: 0001562180-24-001387 · primarydocument.xml · nonDerivative · entry 1

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001386 · primarydocument.xml · derivative · entry 3

Netherton Susan · CIK 0001582336 · SR VP People, Training & Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 506 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001386 · primarydocument.xml · nonDerivative · entry 2

Netherton Susan · CIK 0001582336 · SR VP People, Training & Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,380

F1 · kind: 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.

SEC source: 0001562180-24-001386 · primarydocument.xml · nonDerivative · entry 1

Netherton Susan · CIK 0001582336 · SR VP People, Training & Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,580

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001385 · primarydocument.xml · derivative · entry 3

NIELSEN III ROBERT · CIK 0001983938 · SR VP Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 750 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and vest in four equal annual installments. The common shares are reported in Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on February 14, 2020 and vest in four equal annual installments. The common shares are reported in Table 1.

SEC source: 0001562180-24-001385 · primarydocument.xml · nonDerivative · entry 2

NIELSEN III ROBERT · CIK 0001983938 · SR VP Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,117

F1 · kind: 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.

SEC source: 0001562180-24-001385 · primarydocument.xml · nonDerivative · entry 1

NIELSEN III ROBERT · CIK 0001983938 · SR VP Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,300

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001381 · primarydocument.xml · derivative · entry 3

EDDIE DAVID · CIK 0001230346 · Sr VP Performance Optimization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 856 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001381 · primarydocument.xml · nonDerivative · entry 2

EDDIE DAVID · CIK 0001230346 · Sr VP Performance Optimization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,031

F1 · kind: 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.

SEC source: 0001562180-24-001381 · primarydocument.xml · nonDerivative · entry 1

EDDIE DAVID · CIK 0001230346 · Sr VP Performance Optimization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,368

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001380 · primarydocument.xml · derivative · entry 6

Cloninger Robert Michael · CIK 0001616193 · SR VP, Deputy General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 513 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001380 · primarydocument.xml · nonDerivative · entry 2

Cloninger Robert Michael · CIK 0001616193 · SR VP, Deputy General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,610

F1 · kind: 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.

SEC source: 0001562180-24-001380 · primarydocument.xml · nonDerivative · entry 1

Cloninger Robert Michael · CIK 0001616193 · SR VP, Deputy General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,812

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-001378 · primarydocument.xml · derivative · entry 4

Black Matthew Stephen · CIK 0001544201 · Sr VP Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 731 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

F2 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The performance-based restricted share unit award was granted on February 14, 2020 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2020. As a result, the award shall vest 25% per year over the four-year period following the date of grant. The common shares are reported on Table 1.

SEC source: 0001562180-24-001378 · primarydocument.xml · nonDerivative · entry 2

Black Matthew Stephen · CIK 0001544201 · Sr VP Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,199

F1 · kind: 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.

SEC source: 0001562180-24-001378 · primarydocument.xml · nonDerivative · entry 1

Black Matthew Stephen · CIK 0001544201 · Sr VP Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,377

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-24-000095 · primarydocument.xml · nonDerivative · entry 1

PIO DOMENIC · CIK 0001197038 · SR VP Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,334

F1 · kind: These shares were acquired under the Waste Connections, Inc. 2020 Employee Share Purchase Plan ("ESPP"), for the offering period of July 1, 2023 to December 31, 2023. In accordance with the ESPP, these shares were acquired at a price equal to 95% of the closing price of the shares on the Toronto Stock Exchange on December 29, 2023. The closing price on the Toronto Stock Exchange was CAD $197.86.

F2 · price: For purposes of this disclosure, Canadian dollar amounts have been converted to U.S. dollars based on the Bank of Canada daily noon exchange rate for December 29, 2023, CAD $1.00 = USD $0.756

SEC source: 0001562180-24-000094 · primarydocument.xml · nonDerivative · entry 1

Black Matthew Stephen · CIK 0001544201 · Sr VP Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,646

F1 · kind: These shares were acquired under the Waste Connections, Inc. 2020 Employee Share Purchase Plan ("ESPP"), for the offering period of July 1, 2023 to December 31, 2023. In accordance with the ESPP, these shares were acquired at a price equal to 95% of the closing price of the shares on the New York Stock Exchange on December 29, 2023.

SEC source: 0001562180-23-008552 · primarydocument.xml · nonDerivative · entry 1

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001562180-23-008407 · primarydocument.xml · derivative · entry 6

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 2,887 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The deferred restricted share unit award was granted on 2/13/2014 and vested 25% per year over the four-year period following the date of grant.

F5 · derivative.expiration_date: The deferred restricted share unit award was granted on 2/13/2014 and vested 25% per year over the four-year period following the date of grant.

SEC source: 0001562180-23-008407 · primarydocument.xml · derivative · entry 5

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 3,807 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The deferred restricted share unit award was granted on 2/11/2010 and vested 25% per year over the four-year period following the date of grant.

F4 · derivative.expiration_date: The deferred restricted share unit award was granted on 2/11/2010 and vested 25% per year over the four-year period following the date of grant.

SEC source: 0001562180-23-008407 · primarydocument.xml · nonDerivative · entry 4

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,097

F2 · kind: 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.

F3 · balance_after: Reporting person previously transferred 6,236 shares of his deferred restricted share units with grant dates 2/11/2010, 11/12/2010 and 2/13/2014 to his ex-spouse pursuant to a qualified domestic relations order in a transaction exempt from reporting under Rule 16a-12. Reporting person no longer claims beneficial ownership of these shares.

SEC source: 0001562180-23-008407 · primarydocument.xml · nonDerivative · entry 3

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,856

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion of restricted share units into common shares of the Issuer. These restricted share units were previously vested and deferred under the Issuer's Deferred Compensation Plan.

SEC source: 0001562180-23-008407 · primarydocument.xml · nonDerivative · entry 2

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,969

F2 · kind: 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.

SEC source: 0001562180-23-008407 · primarydocument.xml · nonDerivative · entry 1

RIVARD PHILIP · CIK 0001982660 · SR VP Business Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,807

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion of restricted share units into common shares of the Issuer. These restricted share units were previously vested and deferred under the Issuer's Deferred Compensation Plan.

SEC source: 0001562180-23-008370 · primarydocument.xml · derivative · entry 3

Bertone Andrea E. · CIK 0001766686 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 399 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on December 12, 2022 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.

F3 · derivative.expiration_date: Represents the conversion upon vesting of restricted share units into common shares of the Issuer. The restricted share units were awarded on December 12, 2022 and have a vesting schedule of 50% immediately and 50% on the first anniversary of the award date.