Insider Trading — QuoTrend

Mayampurath Ramakumar – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
MKSI	Mayampurath Ramakumar	EVP & CFO	May 22 '26	Sale	315.48	8,810	2,779,379	1	May 26
MKSI	Mayampurath Ramakumar	EVP & CFO	Feb 17 '26	Option Exercise	0.00	5,660	0	11,327	Feb 18
MKSI	Mayampurath Ramakumar	EVP & CFO	Nov 17 '25	Option Exercise	0.00	8,295	0	8,295	Nov 18
ROG	Mayampurath Ramakumar	SVP, CFO, Treasurer	May 03 '23	Sale	160.96	1,200	193,150	17,152	May 03