X0609 4 2026-09-14 0 0001309108 WEX Inc. WEX 0001724040 Dearborn Joel Alan JR false C/O WEX INC. 1 HANCOCK STREET PORTLAND ME 04101 0 1 0 0 COO, International 1 Common Stock 2026-09-14 4 S 0 2500 200 D 17021 D Common Stock 2026-09-14 4 M 0 843 104.95 A 17864 D Common Stock 2026-09-14 4 S 0 843 200 D 17021 D Common Stock 3914 I Dearborn 2025 Trust Common Stock 6837 I Dearborn 2026 Trust Stock Option (right to buy) 104.95 2026-09-14 4 M 0 843 0 D 2027-03-20 Common Stock 843 0 D 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. 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. Reflects distribution of 3,486 shares of common stock in accordance with the terms of the trust on 06/01/2026, from the Dearborn 2025 Trust, which were then held directly by the reporting person. This trust was first described in a Form 4 filed by the reporting person on 02/25/2026. Reflects contribution of 6,837 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. 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. /s/ Matthew Finkelstein, as attorney-in-fact for Joel A. Dearborn 2026-09-16