MITTELSTAEDT RONALD J

SEC source: 0001562180-18-003801 · primarydocument.xml · derivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 222 shares

Expires not disclosed

F1 · derivative.exercise_date: The deferred restricted share unit award was granted on 11/12/2010 and vested 25% per year over the four-year period following the date of grant.

F1 · derivative.expiration_date: The deferred restricted share unit award was granted on 11/12/2010 and vested 25% per year over the four-year period following the date of grant.

F2 · derivative.underlying_shares: Reflects the number of restricted share units ("RSUs") no longer deemed to be invested in Issuer's nonqualified deferred compensation plan ("Plan") based on an investment election by Reporting Person on August 29, 2018 to credit value of such RSUs into a measurement fund under the Plan. The value of such RSUs is based on the market value of Issuer's common shares on the election date. Such elections are available during Issuer's open trading windows to participants under the Plan who have attained age 55; and for RSU deferrals such participants have made that (i) are scheduled to be distributed pursuant to a multi-year annual installment method election following participant's separation from service and (ii) have been vested for at least three years prior to the election date, as provided for in Amendment No. 2 to the Plan, dated October 25, 2017. The investment election made by Reporting Person does not alter any distribution dates previously selected under the Plan.

SEC source: 0001562180-18-001591 · primarydocument.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,462

SEC source: 0001562180-18-001293 · primarydocument.xml · derivative · entry 3

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,661

Underlying: Common Shares · 6,221 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 24, 2017 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2017. 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 24, 2017 and contained a performance target that was achieved by the Issuer over the one fiscal year period that ended December 31, 2017. 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: 0001562180-18-001293 · primarydocument.xml · nonDerivative · entry 2

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 145,462

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: 0001562180-18-001293 · primarydocument.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 147,910

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: 0001562180-18-001135 · primarydocument.xml · derivative · entry 3

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,713

Underlying: Common Shares · 127,713 shares

Expires not disclosed

F3 · derivative.exercise_date: Represents an award of restricted share units valued at nine million dollars (U.S. $9,000,000) that will vest in three equal annual installments beginning on the first anniversary of the date of the award. The restricted share unit award is made pursuant to that certain second amendment to the Executive's separation benefits plan and employment agreement, dated February 13, 2018, in consideration for the Executive's continued service with the Issuer.

F3 · derivative.expiration_date: Represents an award of restricted share units valued at nine million dollars (U.S. $9,000,000) that will vest in three equal annual installments beginning on the first anniversary of the date of the award. The restricted share unit award is made pursuant to that certain second amendment to the Executive's separation benefits plan and employment agreement, dated February 13, 2018, in consideration for the Executive's continued service with the Issuer.

SEC source: 0001562180-18-001135 · primarydocument.xml · derivative · entry 2

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,273

Underlying: Common Shares · 11,273 shares

Expires not disclosed

F2 · derivative.exercise_date: 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 28,182 (250% of the target number).

F2 · derivative.expiration_date: 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 28,182 (250% of the target number).

SEC source: 0001562180-18-001135 · primarydocument.xml · derivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,937

Underlying: Common Shares · 20,937 shares

Expires not disclosed

F1 · derivative.exercise_date: 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 over the four-year vesting period will be either 0% or 100% of the scheduled amount, depending on whether the Issuer meets certain performance goals at the end of the first year of the vesting period. If the Issuer meets its performance goals at the end of the first year vesting period, then the units shall vest in four equal annual installments.

F1 · derivative.expiration_date: 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 over the four-year vesting period will be either 0% or 100% of the scheduled amount, depending on whether the Issuer meets certain performance goals at the end of the first year of the vesting period. If the Issuer meets its performance goals at the end of the first year vesting period, then the units shall vest in four equal annual installments.

SEC source: 0001562180-18-000990 · primarydocument.xml · derivative · entry 3

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 17,082 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 13, 2014 and have a vesting schedule of 25% per year over a four-year period. 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 restricted share units were awarded on February 13, 2014 and have a vesting schedule of 25% per year over a four-year period. The common shares are reported on Table 1.

SEC source: 0001562180-18-000990 · primarydocument.xml · nonDerivative · entry 2

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,689

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: 0001562180-18-000990 · primarydocument.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,411

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: 0001562180-18-000747 · primarydocument.xml · derivative · entry 6

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,672

Underlying: Common Shares · 16,672 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 February 12, 2015 and have a vesting schedule of 25% per year over a four-year period. The common shares are reported in Table 1.

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 February 12, 2015 and have a vesting schedule of 25% per year over a four-year period. The common shares are reported in Table 1.

SEC source: 0001562180-18-000747 · primarydocument.xml · nonDerivative · entry 4

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,329

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: 0001562180-18-000747 · primarydocument.xml · nonDerivative · entry 3

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,625

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: 0001562180-18-000747 · primarydocument.xml · derivative · entry 5

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,365

Underlying: Common Shares · 13,183 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 11, 2016 and have a vesting schedule of 25% per year over a four-year period. 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 restricted share units were awarded on February 11, 2016 and have a vesting schedule of 25% per year over a four-year period. The common shares are reported on Table 1.

SEC source: 0001562180-18-000747 · primarydocument.xml · nonDerivative · entry 2

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,953

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: 0001562180-18-000747 · primarydocument.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,167

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: 0001179110-18-001896 · edgar.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,316

F1 · shares: Shares issued pursuant to the SkyWest, Inc. Long-Term Incentive Plan.

SEC source: 0001562180-18-000296 · primarydocument.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,984

F1 · balance_after: The number of common shares listed in Column 5 of Table 1 excludes the number of unvested performance-based restricted share units ("PSUs") and restricted share units ("RSUs") previously granted by Waste Connections, Inc. (the "Issuer") to the reporting person. As of the date of this Form 5, the reporting person owns an additional 111,175 PSUs (with the number of units that actually vest at the end of each applicable performance period being 0% to 250% of the scheduled amount depending on the terms of the PSU and the extent to which the Issuer meets or exceeds certain performance goals at the end of each year during the performance period) and 17,083 RSUs. The reporting person will report his PSUs and RSUs separately in Table II of each subsequent Form 4 filed by the reporting person.

F2 · balance_after: Executive officers of Old Waste Connections, in years prior to 2015, were able to voluntarily defer receipt of RSU grants under Old Waste Connections' Nonqualified Deferred Compensation Plan, which plan was assumed by New Waste Connections on June 1, 2016 in connection with the Progressive Waste acquisition. The reporting person holds an additional 180,530 RSUs under the Nonqualified Deferred Compensation Plan. The RSUs held under the Nonqualified Deferred Compensation Plan are not considered common shares of the Issuer that are beneficially owned for SEC disclosure purposes. They ultimately are settled in common shares of the Issuer, and they represent an investment risk in the performance of the Issuer's common shares.

SEC source: 0001562180-17-000963 · primarydocument.xml · nonDerivative · entry 4

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 318,088

F3 · shares: Represents shares withheld by the Company from an award of restricted share units in satisfaction of the applicable withholding taxes due as a result of the vesting of those restricted share units through an automatic share withholding procedure. Pursuant to this procedure, the Company withholds as the units vest a portion of the vested shares issuable under the award with a fair market value (measured as of the vesting date) equal to the amount of such withholding taxes.

SEC source: 0001562180-17-000963 · primarydocument.xml · nonDerivative · entry 3

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 320,761

F3 · shares: Represents shares withheld by the Company from an award of restricted share units in satisfaction of the applicable withholding taxes due as a result of the vesting of those restricted share units through an automatic share withholding procedure. Pursuant to this procedure, the Company withholds as the units vest a portion of the vested shares issuable under the award with a fair market value (measured as of the vesting date) equal to the amount of such withholding taxes.

SEC source: 0001562180-17-000963 · primarydocument.xml · nonDerivative · entry 2

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 320,907

F2 · price: Represents a grant of performance-based restricted share units under the Waste Connections, Inc. (the "Company") 2016 Incentive Award Plan (the "2016 Plan"). 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 Company 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 22,330 (250% of the target number). Vested restricted share units will be paid in cash, an equal number of shares of the Company's common shares, or a combination thereof.

SEC source: 0001562180-17-000963 · primarydocument.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 311,975

F1 · price: Represents a grant of performance-based restricted share units under the Waste Connections, Inc. (the "Company") 2016 Incentive Award Plan (the "2016 Plan"). 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 will actually vest over the four year vesting period will be either 0% or 100% of the scheduled amount, depending on whether the Company meets certain performance goals at the end of the first year of the vesting period. If the Company meets its performance goals at the end of the first year vesting period, then the units shall vest in four equal annual installments. Vested restricted share units will be paid in cash, an equal number of shares of the Company's common shares, or a combination thereof.

SEC source: 0001562180-17-000657 · primarydocument.xml · nonDerivative · entry 3

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 310,317

F1 · shares: Represents shares withheld by the Company from an award of restricted stock units in satisfaction of the applicable withholding taxes due as a result of the vesting of those restricted stock units through an automatic share withholding procedure. Pursuant to this procedure, the Company withholds as the units vest a portion of the vested shares issuable under the award with a fair market value (measured as of the vesting date) equal to the amount of such withholding taxes.

SEC source: 0001562180-17-000657 · primarydocument.xml · nonDerivative · entry 2

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 313,483

F1 · shares: Represents shares withheld by the Company from an award of restricted stock units in satisfaction of the applicable withholding taxes due as a result of the vesting of those restricted stock units through an automatic share withholding procedure. Pursuant to this procedure, the Company withholds as the units vest a portion of the vested shares issuable under the award with a fair market value (measured as of the vesting date) equal to the amount of such withholding taxes.

SEC source: 0001562180-17-000657 · primarydocument.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 316,575

F1 · shares: Represents shares withheld by the Company from an award of restricted stock units in satisfaction of the applicable withholding taxes due as a result of the vesting of those restricted stock units through an automatic share withholding procedure. Pursuant to this procedure, the Company withholds as the units vest a portion of the vested shares issuable under the award with a fair market value (measured as of the vesting date) equal to the amount of such withholding taxes.

SEC source: 0001179110-17-002228 · edgar.xml · nonDerivative · entry 1

MITTELSTAEDT RONALD J · CIK 0001064299 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,631

F1 · shares: Shares issued pursuant to the SkyWest, Inc. Long-Term Incentive Plan.