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The options would have been forfeited if not exercised prior to the expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This stock option vested with respect to one third of these shares on each of 3/20/2018, 3/20/2019 and 3/20/2020."}],"balance_after":0,"derivative":{"exercise_price":104.95,"expiration_date":"2027-03-20","underlying":"Common Stock","underlying_shares":843},"source":{"system":"sec-edgar","filing":"0001724040-26-000016","document":"wk-form4_1789603942.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000016/wk-form4_1789603942.xml","form_type":"4"}},{"id":4620299,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-09-17T00:12:25.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":843,"price":200,"value":168600.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reported transactions occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 06/01/2026. The reporting person exercised a stock option award that was scheduled to expire on 03/20/2027. The options would have been forfeited if not exercised prior to the expiration date."}],"balance_after":17021,"source":{"system":"sec-edgar","filing":"0001724040-26-000016","document":"wk-form4_1789603942.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000016/wk-form4_1789603942.xml","form_type":"4"}},{"id":4620298,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-09-17T00:12:25.000Z","date":"2026-09-14","kind":"exercise","planned":true,"acquired":true,"shares":843,"price":104.95,"value":88472.85,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reported transactions occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 06/01/2026. The reporting person exercised a stock option award that was scheduled to expire on 03/20/2027. The options would have been forfeited if not exercised prior to the expiration date."}],"balance_after":17864,"source":{"system":"sec-edgar","filing":"0001724040-26-000016","document":"wk-form4_1789603942.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000016/wk-form4_1789603942.xml","form_type":"4"}},{"id":4620297,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-09-17T00:12:25.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":200,"value":500000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reported transactions occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 06/01/2026. The reporting person exercised a stock option award that was scheduled to expire on 03/20/2027. The options would have been forfeited if not exercised prior to the expiration date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects contribution of 3,351 shares of common stock that were previously directly owned but were contributed to a trust for the benefit of Mr. Dearborn's children on 06/01/2026."}],"balance_after":17021,"source":{"system":"sec-edgar","filing":"0001724040-26-000016","document":"wk-form4_1789603942.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000016/wk-form4_1789603942.xml","form_type":"4"}},{"id":804504,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-04-20T22:52:49.000Z","date":"2026-04-16","kind":"sale","planned":true,"acquired":false,"shares":3500,"price":175,"value":612500.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025."}],"balance_after":22872,"source":{"system":"sec-edgar","filing":"0001724040-26-000013","document":"wk-form4_1776725566.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000013/wk-form4_1776725566.xml","form_type":"4"}},{"id":819662,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-04-02T22:06:24.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":2150,"price":152.71,"value":328326.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025."}],"balance_after":26372,"source":{"system":"sec-edgar","filing":"0001724040-26-000011","document":"wk-form4_1775167579.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000011/wk-form4_1775167579.xml","form_type":"4"}},{"id":819661,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-04-02T22:06:24.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":675,"price":152.42,"value":102883.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Upon request, the reporting person will provide the Securities and Exchange Commission, WEX Inc. or any security holder of WEX Inc. with full information regarding the number of shares sold at each separate purchase price."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price listed is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.69 and $152.56, inclusive."}],"balance_after":28522,"source":{"system":"sec-edgar","filing":"0001724040-26-000011","document":"wk-form4_1775167579.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000011/wk-form4_1775167579.xml","form_type":"4"}},{"id":819660,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-04-02T22:06:24.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":168,"price":151.14,"value":25391.52,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Upon request, the reporting person will provide the Securities and Exchange Commission, WEX Inc. or any security holder of WEX Inc. with full information regarding the number of shares sold at each separate purchase price."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price listed is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.69 and $151.40, inclusive."}],"balance_after":29197,"source":{"system":"sec-edgar","filing":"0001724040-26-000011","document":"wk-form4_1775167579.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000011/wk-form4_1775167579.xml","form_type":"4"}},{"id":819659,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-04-02T22:06:24.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":341,"price":150.32,"value":51259.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Upon request, the reporting person will provide the Securities and Exchange Commission, WEX Inc. or any security holder of WEX Inc. with full information regarding the number of shares sold at each separate purchase price."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price listed is a weighted average price. These shares were sold in multiple transactions at prices ranging from $149.68 and $150.65, inclusive."}],"balance_after":29365,"source":{"system":"sec-edgar","filing":"0001724040-26-000011","document":"wk-form4_1775167579.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000011/wk-form4_1775167579.xml","form_type":"4"}},{"id":819658,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-04-02T22:06:24.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":93,"price":148.7,"value":13829.1,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Upon request, the reporting person will provide the Securities and Exchange Commission, WEX Inc. or any security holder of WEX Inc. with full information regarding the number of shares sold at each separate purchase price."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price listed is a weighted average price. These shares were sold in multiple transactions at prices ranging from $148.55 and $148.77, inclusive."}],"balance_after":29706,"source":{"system":"sec-edgar","filing":"0001724040-26-000011","document":"wk-form4_1775167579.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000011/wk-form4_1775167579.xml","form_type":"4"}},{"id":819657,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Common Stock","published_at":"2026-04-02T22:06:24.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":73,"price":147.93,"value":10798.89,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price listed is a weighted average price. These shares were sold in multiple transactions at prices ranging from $147.53 and $148.39, inclusive."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Upon request, the reporting person will provide the Securities and Exchange Commission, WEX Inc. or any security holder of WEX Inc. with full information regarding the number of shares sold at each separate purchase price."}],"balance_after":29799,"source":{"system":"sec-edgar","filing":"0001724040-26-000011","document":"wk-form4_1775167579.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000011/wk-form4_1775167579.xml","form_type":"4"}},{"id":835029,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Market Share Units","published_at":"2026-03-18T22:52:02.000Z","date":"2026-03-16","kind":"grant","planned":false,"acquired":true,"shares":4784,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each MSU, a form of performance-based restricted share unit, converts into the number of shares of common stock determined by applying a payout factor to the target number of MSUs vesting on a given date. The payout factor is a ratio of the volume weighted average closing price per share over the 10 trading days immediately preceding (and excluding) the vesting date divided by the volume weighted average closing price per share over the 10 trading days immediately preceding (and excluding) the grant date. The minimum payout factor that must be achieved to earn a payout is 60% and the maximum payout factor is 200%."},{"field":"shares","element":"transactionShares","label":"F9","text":"Represents the target number of shares underlying the MSU award granted on March 16, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"One-third of the MSU award vests on each of the first, second and third anniversaries of the date of grant and converts into shares of common stock based on a payout factor, provided that if the payout factor is not at least 60% on an applicable vesting date, the MSUs eligible to vest on such date will be forfeited."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"One-third of the MSU award vests on each of the first, second and third anniversaries of the date of grant and converts into shares of common stock based on a payout factor, provided that if the payout factor is not at least 60% on an applicable vesting date, the MSUs eligible to vest on such date will be forfeited."}],"balance_after":4784,"derivative":{"underlying":"Common Stock","underlying_shares":4784},"source":{"system":"sec-edgar","filing":"0001724040-26-000008","document":"wk-form4_1773874319.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000008/wk-form4_1773874319.xml","form_type":"4"}},{"id":835028,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Restricted Stock Units","published_at":"2026-03-18T22:52:02.000Z","date":"2026-03-16","kind":"grant","planned":false,"acquired":true,"shares":6378,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"One-third of RSUs vest each year on the first, second and third anniversaries of the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"One-third of RSUs vest each year on the first, second and third anniversaries of the date of grant."}],"balance_after":6378,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":6378},"source":{"system":"sec-edgar","filing":"0001724040-26-000008","document":"wk-form4_1773874319.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1724040/000172404026000008/wk-form4_1773874319.xml","form_type":"4"}},{"id":835027,"issuer":{"id":2285,"kind":"organization","name":"WEX Inc.","symbol":"WEX"},"owners":[{"id":51944,"kind":"person","name":"Dearborn Joel Alan JR","position":1,"cik":"0001724040","reported_name":"Dearborn Joel Alan JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, International"}}],"security":"Market Share Units","published_at":"2026-03-18T22:52:02.000Z","date":"2026-03-17","kind":"exercise","planned":false,"acquired":false,"shares":888,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each MSU, a form of performance-based restricted share unit, converts into the number of shares of common stock determined by applying a payout factor to the target number of MSUs vesting on a given date. The payout factor is a ratio of the volume weighted average closing price per share over the 10 trading days immediately preceding (and excluding) the vesting date divided by the volume weighted average closing price per share over the 10 trading days immediately preceding (and excluding) the grant date. The minimum payout factor that must be achieved to earn a payout is 60% and the maximum payout factor is 200%."},{"field":"shares","element":"transactionShares","label":"F7","text":"Represents the number of MSUs that vested in the first tranche of the MSU award granted on March 17, 2025, based on a 105.38% payout factor, and were converted into an equal number of shares of common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"One-third of the MSU award vests on each of the first, second and third anniversaries of the date of grant and converts into shares of common stock based on a payout factor, provided that if the payout factor is not at least 60% on an applicable vesting date, the MSUs eligible to vest on such date will be forfeited."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"One-third of the MSU award vests on each of the first, second and third anniversaries of the date of grant and converts 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