Form4insider filings, from the source

SEC Form 4 · accession 0001193125-26-335628

WESCO INTERNATIONAL INC · WCC

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Daniel J Castillo
Officer — EVP & GM, EES
Period of report
Aug 4, 2026
Accepted (ET)
Aug 5, 2026 · 5:53 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000929008

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockAug 4, 2026P960$365.89A16,305D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Stock Options (Right to Buy)F1$374.10Aug 4, 2026A914A—Aug 4, 2036Common Stock914914D

Explanation of responses