X0508 4 2024-12-01 1 0000704532 ONTO INNOVATION INC. ONTO 0001792618 Fiordalice Robert C/O ONTO INNOVATION, INC. 16 JONSPIN ROAD WILMINGTON MA 01887 0 1 0 0 Sr. Vice President & GM, MBU 0 This exit Form 4 is filed solely to report that, effective December 1, 2024, the reporting person is no longer an 'officer' of Onto Innovation Inc. within the meaning of Rule 16a-1. By: Mark R. Slicer For: Robert Fiordalice 2024-12-03