Insider Trading — QuoTrend

Henry David Philip – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
MKSI	Henry David Philip	EVP, Global Str Mktg & GM, MSD	Jun 01 '26	Sale	314.43	6,000	1,886,583	10,422	Jun 02
MKSI	Henry David Philip	EVP, Global Str Mktg & GM, MSD	May 26 '26	Sale	330.50	2,500	826,250	16,341	May 27
MKSI	Henry David Philip	EVP, Global Str Mktg & GM, MSD	Feb 20 '26	Sale	261.56	2,000	523,120	18,841	Feb 23
MKSI	Henry David Philip	EVP, Global Str Mktg & GM, MSD	Feb 17 '26	Option Exercise	0.00	9,282	0	24,939	Feb 18
MKSI	Henry David Philip	EVP, Global Str Mktg & GM, MSD	Sep 18 '25	Sale	130.00	5,000	650,000	15,571	Sep 19
MKSI	Henry David Philip	EVP, Operations & Corp Mktg	Jul 03 '25	Sale	105.00	2,000	210,000	20,571	Jul 07
MKSI	Henry David Philip	EVP, Operations & Corp Mktg	Feb 18 '25	Option Exercise	0.00	8,013	0	24,791	Feb 19
MKSI	Henry David Philip	EVP, Operations & Corp Mktg	Feb 15 '24	Option Exercise	0.00	8,022	0	19,222	Feb 16
MKSI	Henry David Philip	EVP, Operations & Corp Mktg	Nov 07 '23	Buy	68.34	2,500	170,862	11,073	Nov 08