ON SEMICONDUCTOR CORP (ON) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-04-03 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: ON SEMICONDUCTOR CORP (ON) CIK: 0001097864 --- Reporting Owner --- Name: MASCARENAS PAUL ANTHONY CIK: 0001625756 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Date: 2026-04-03 | Code: A (Grant or award) Shares: +168 | Price: $62.19 Total Value: $10,447.92 Shares Owned After: 55,488 | Ownership: D (Direct) Footnotes: [F1] Represents fully-vested shares of common stock issued to the Reporting Person in lieu of a portion of his quarterly cash retainers for the first quarter of 2026 based on his previously-submitted election. --- Footnotes (Complete Index) --- F1: Represents fully-vested shares of common stock issued to the Reporting Person in lieu of a portion of his quarterly cash retainers for the first quarter of 2026 based on his previously-submitted election. --- Signature --- /s/ /s/ Hope M. Spencer, Attorney-in-Fact (2026-04-06)