Richard Roy Grisenthwaite

Chief Architect · 1 filing · Latest: May 15, 2026

ARM HOLDINGS PLC /UK

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Filing
ARM	Richard Roy Grisenthwaite	Chief Architect	May 18, 2026	Sale	$209.15	24,339	$5.1M	0	May 19 9:20 PM
ARM	Richard Roy Grisenthwaite	Chief Architect	May 15, 2026	Option Exercise	—	22,624	—	45,640	May 19 9:20 PM