Slicer Mark – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
ONTO	Slicer Mark	Chief Financial Officer	Feb 14 '25	Option Exercise	0.00	6,846	0	15,497	Feb 19 12:00 AM
ONTO	Slicer Mark	Chief Financial Officer	Nov 15 '24	Sale	160.41	1,100	176,451	10,933	Nov 18 12:00 AM
ONTO	Slicer Mark	Chief Financial Officer	Jun 07 '24	Sale	217.17	519	112,711	12,033	Jun 10 12:00 AM
ONTO	Slicer Mark	Chief Financial Officer	Jun 06 '24	Sale	221.21	519	114,808	12,552	Jun 10 12:00 AM
ONTO	Slicer Mark	Chief Financial Officer	Sep 15 '23	Sale	125.14	3,005	376,040	13,111	Sep 18 12:00 AM

Insider Trading & Congressional Trades