[DFAN14A] WEX Inc. SEC Filing

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No. )

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Filed by a Party other than the Registrant ☒

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☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Under § 240.14a-12

WEX INC.

(Name of Registrant as Specified In Its Charter)

IMPACTIVE CAPITAL MASTER FUND LP

IMPACTIVE CAPITAL LP

IMPACTIVE CAPITAL LLC

IMPACTIVE ZEPHYR FUND LP

IMPACTIVE SIERRA FUND LP

LAUREN TAYLOR WOLFE

CHRISTIAN ASMAR

KURT P. ADAMS

ELLEN R. ALEMANY

ALEMANY OCTOBER 2025 GRAT NO. 1

(Name of Persons(s) Filing Proxy Statement, if other than the Registrant)

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Impactive Capital Master Fund LP (“Impactive Capital Master Fund”), together with the other participants named herein (collectively, “Impactive”), has filed a definitive proxy statement and accompanying WHITE universal proxy card with the Securities and Exchange Commission (the “SEC”) to be used to solicit votes for the election of its slate of highly-qualified director nominees at the 2026 annual meeting of stockholders (the “Annual Meeting”) of WEX Inc., a Delaware corporation (the “Company”).

On April 13, 2026, Impactive issued an Investor Presentation, which is attached hereto as Exhibit 1 and incorporated herein by reference.