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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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"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."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Shares","underlying_shares":3172},"source":{"system":"sec-edgar","filing":"0001562180-19-000917","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218019000917/primarydocument.xml","form_type":"4"}},{"id":3661159,"issuer":{"id":3073,"kind":"organization","name":"Waste Connections, Inc."},"owners":[{"id":130118,"kind":"person","name":"HALL DAVID M","position":1,"cik":"0001089079","reported_name":"HALL DAVID M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President - Sales"}}],"security":"Restricted Share Units","published_at":"2019-02-13T16:17:23.000Z","date":"2019-02-11","kind":"exercise","acquired":false,"shares":2406,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents the conversion upon vesting of restricted share units into common shares of the Issuer. 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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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"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. 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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 6,000 (250% of the target number)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Represents an award of performance-based restricted share units.  The target number of units is presented in the table. 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Shares","published_at":"2018-02-13T14:28:35.000Z","date":"2018-02-11","kind":"tax_withholding","acquired":false,"shares":650,"price":66.76,"value":43394.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"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."}],"balance_after":10534,"source":{"system":"sec-edgar","filing":"0001562180-18-000744","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218018000744/primarydocument.xml","form_type":"4"}},{"id":4063666,"issuer":{"id":3073,"kind":"organization","name":"Waste Connections, Inc."},"owners":[{"id":130118,"kind":"person","name":"HALL DAVID M","position":1,"cik":"0001089079","reported_name":"HALL DAVID 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Stock","published_at":"2018-01-12T16:50:31.000Z","date":"2017-08-10","kind":"other","acquired":false,"shares":4888,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reporting person transferred 4,888 shares to his ex-wife pursuant to a domestic relations order. Reporting person no longer claims beneficial ownership of these shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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 21,464 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 3,250 RSUs. The reporting person will report his PSUs and RSUs separately in Table II of each subsequent Form 4 filed by the reporting person."}],"balance_after":8778,"source":{"system":"sec-edgar","filing":"0001562180-18-000302","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218018000302/primarydocument.xml","form_type":"5"}},{"id":4418615,"issuer":{"id":3073,"kind":"organization","name":"Waste Connections, Inc."},"owners":[{"id":130118,"kind":"person","name":"HALL DAVID M","position":1,"cik":"0001089079","reported_name":"HALL DAVID M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President"}}],"security":"Common Shares","published_at":"2017-02-28T16:12:02.000Z","date":"2017-02-25","kind":"sale","acquired":false,"shares":710,"price":87.33,"value":62004.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"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."}],"balance_after":30255,"source":{"system":"sec-edgar","filing":"0001562180-17-000962","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218017000962/primarydocument.xml","form_type":"4"}},{"id":4418614,"issuer":{"id":3073,"kind":"organization","name":"Waste Connections, Inc."},"owners":[{"id":130118,"kind":"person","name":"HALL DAVID M","position":1,"cik":"0001089079","reported_name":"HALL DAVID M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President"}}],"security":"Common Shares","published_at":"2017-02-28T16:12:02.000Z","date":"2017-02-24","kind":"grant","acquired":true,"shares":1843,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 4608 (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."}],"balance_after":30965,"source":{"system":"sec-edgar","filing":"0001562180-17-000962","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218017000962/primarydocument.xml","form_type":"4"}},{"id":4418613,"issuer":{"id":3073,"kind":"organization","name":"Waste Connections, Inc."},"owners":[{"id":130118,"kind":"person","name":"HALL DAVID M","position":1,"cik":"0001089079","reported_name":"HALL DAVID M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President"}}],"security":"Common Shares","published_at":"2017-02-28T16:12:02.000Z","date":"2017-02-24","kind":"grant","acquired":true,"shares":3424,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."}],"balance_after":29122,"source":{"system":"sec-edgar","filing":"0001562180-17-000962","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218017000962/primarydocument.xml","form_type":"4"}},{"id":4450412,"issuer":{"id":3073,"kind":"organization","name":"Waste Connections, Inc."},"owners":[{"id":130118,"kind":"person","name":"HALL DAVID M","position":1,"cik":"0001089079","reported_name":"HALL DAVID M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President"}}],"security":"Common Stock","published_at":"2017-02-14T16:13:43.000Z","date":"2017-02-13","kind":"sale","acquired":false,"shares":662,"price":80.61,"value":53363.82,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":25698,"source":{"system":"sec-edgar","filing":"0001562180-17-000671","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218017000671/primarydocument.xml","form_type":"4"}},{"id":4450411,"issuer":{"id":3073,"kind":"organization","name":"Waste Connections, Inc."},"owners":[{"id":130118,"kind":"person","name":"HALL DAVID M","position":1,"cik":"0001089079","reported_name":"HALL DAVID M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President"}}],"security":"Common Stock","published_at":"2017-02-14T16:13:43.000Z","date":"2017-02-12","kind":"sale","acquired":false,"shares":649,"price":80.03,"value":51939.47,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":26360,"source":{"system":"sec-edgar","filing":"0001562180-17-000671","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218017000671/primarydocument.xml","form_type":"4"}},{"id":4450410,"issuer":{"id":3073,"kind":"organization","name":"Waste Connections, Inc."},"owners":[{"id":130118,"kind":"person","name":"HALL DAVID M","position":1,"cik":"0001089079","reported_name":"HALL DAVID M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President"}}],"security":"Common Stock","published_at":"2017-02-14T16:13:43.000Z","date":"2017-02-11","kind":"sale","acquired":false,"shares":437,"price":80.03,"value":34973.11,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"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."}],"balance_after":27009,"source":{"system":"sec-edgar","filing":"0001562180-17-000671","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218017000671/primarydocument.xml","form_type":"4"}},{"id":4484288,"issuer":{"id":3073,"kind":"organization","name":"Waste Connections, Inc."},"owners":[{"id":130118,"kind":"person","name":"HALL DAVID M","position":1,"cik":"0001089079","reported_name":"HALL DAVID M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President"}}],"security":"Common Stock","published_at":"2017-01-23T15:44:23.000Z","date":"2016-06-03","kind":"sale","acquired":false,"shares":1961,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Since the date of Reporting Person's last ownership report, he transferred 1,961 shares to his ex-wife pursuant to a domestic relations order.  Reporting Person no longer reports as beneficially owned any shares owned by his ex-wife."}],"balance_after":27446,"source":{"system":"sec-edgar","filing":"0001562180-17-000303","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1089079/000156218017000303/primarydocument.xml","form_type":"5"}}]}