WESCO INTERNATIONAL INC·4

Mar 3, 8:14 PM ET

Castillo Daniel J 4

4 · WESCO INTERNATIONAL INC · Filed Mar 3, 2026

Insider Transaction Report

Form 4
Period: 2026-03-02
Castillo Daniel J
EVP & GM, EES
Transactions
  • Award

    Common Stock

    [F1]
    2026-03-02+1,60613,900.03 total
  • Award

    Stock Options (Right to Buy)

    [F2]
    2026-03-02+3,8273,827 total
    Exercise: $295.84Exp: 2036-03-02Common Stock (3,827 underlying)
Footnotes (2)
  • [F1]Represents a grant of RSUs. Each RSU represents a contingent right to acquire one share of Issuer's common stock. The RSUs vest in three equal installments beginning on the first anniversary of the date of grant.
  • [F2]The stock options become exercisable in three equal annual installments beginning on the first anniversary of the date of grant.
Signature
/s/ Michele Nelson, as Attorney-in-Fact|2026-03-03

Documents

1 file
  • 4
    ownership.xmlPrimary

    4