# EDGAR Filing Document

**Accession Number:** 0001832333
**File Stem:** 0001832333-26-000006
**Filing Date:** 2026-3
**Character Count:** 8637
**Document Hash:** 255b202d57401ddbc803b614f3f921eb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001832333-26-000006.hdr.sgml**: 20260317

**ACCESSION NUMBER**: 0001832333-26-000006

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260315

**FILED AS OF DATE**: 20260317

**DATE AS OF CHANGE**: 20260317

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Stroup Karen B.
- **CENTRAL INDEX KEY:** 0001832333

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-32426
- **FILM NUMBER:** 26764461

**MAIL ADDRESS:**
- **STREET 1:** 440 S. CHURCH STREET
- **STREET 2:** SUITE 700
- **CITY:** CHARLOTTE
- **STATE:** NC
- **ZIP:** 28202
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WEX Inc.
- **CENTRAL INDEX KEY:** 0001309108
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-BUSINESS SERVICES, NEC [7389]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 010526993
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1 HANCOCK STREET
- **CITY:** PORTLAND
- **STATE:** ME
- **ZIP:** 04101
- **BUSINESS PHONE:** (207) 773-8171

**MAIL ADDRESS:**
- **STREET 1:** 1 HANCOCK STREET
- **CITY:** PORTLAND
- **STATE:** ME
- **ZIP:** 04101

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Wright Express CORP
- **DATE OF NAME CHANGE:** 20041118

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Stroup Karen B.<br><sub>(Last) (First) (Middle)</sub><br>C/O WEX INC.<br>1 HANCOCK STREET<br><sub>(Street)</sub><br>PORTLAND, ME 04101<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-15 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Digital Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>WEX Inc. [ WEX ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-03-15 |  | M |  | 655 | A | $0 | 15863 | D |  |
| Common Stock | 2026-03-15 |  | F |  | 160<sup>(1)</sup> | D | $159.95 | 15703 | D |  |
| Common Stock | 2026-03-15 |  | M |  | 732 | A | $0 | 16435 | D |  |
| Common Stock | 2026-03-15 |  | F |  | 179<sup>(1)</sup> | D | $159.95 | 16256 | D |  |
| Common Stock | 2026-03-15 |  | M |  | 7112 | A | $0 | 23368 | D |  |
| Common Stock | 2026-03-15 |  | F |  | 2448<sup>(1)</sup> | D | $159.95 | 20920 | D |  |
| Common Stock | 2026-03-15 |  | M |  | 522 | A | $0 | 21442 | D |  |
| Common Stock | 2026-03-15 |  | F |  | 206<sup>(2)</sup> | D | $159.95 | 21236 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | $0 | 2026-03-15 |  | M |  |  | 655<sup>(3)</sup> | <sup>(4)</sup> | <sup>(4)</sup> | Common Stock | 655 | $0 | 0 | D |  |
| Restricted Stock Units | $0 | 2026-03-15 |  | M |  |  | 732<sup>(3)</sup> | <sup>(4)</sup> | <sup>(4)</sup> | Common Stock | 732 | $0 | 735 | D |  |
| Restricted Stock Units | $0 | 2026-03-15 |  | M |  |  | 7112<sup>(3)</sup> | <sup>(5)</sup> | <sup>(5)</sup> | Common Stock | 7112 | $0 | 0 | D |  |
| Market Share Units | <sup>(6)</sup> | 2026-03-15 |  | M |  |  | 522<sup>(7)</sup> | <sup>(8)</sup> | <sup>(8)</sup> | Common Stock | 522 | $0 | 944 | D |  |

---

### Footnotes:

(1) Represents the number of shares automatically withheld by WEX for the payment of taxes in connection with the vesting of Restricted Stock Units ("RSUs") on March 15, 2026.

(2) Represents the number of shares automatically withheld by WEX for the payment of taxes in connection with the vesting of Market Share Units ("MSUs") on March 15, 2026.

(3) RSUs vested on March 15, 2026 and each RSU converted into one share of common stock.

(4) One-third of RSUs vest each year on the first, second and third anniversaries of the date of grant.

(5) Following certification of performance relating to the award (as previously reported by the reporting person), the RSUs vested on March 15, 2026 and each converted into one share of common stock.

(6) 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%.

(7) Represents the number of MSUs that vested in the second tranche of the MSU award granted on March 15, 2024, based on a 71.27% payout factor, and were converted into an equal number of shares of common stock.

(8) 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.

**Signature:** /s/ Andy Schwarcz as attorney-in-fact for Karen Stroup  
**Date:** 2026-03-17

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**