⌘K (Command K) to search

Sign in Sign up free

Insider · CIK 0002112445

Grisenthwaite Richard Roy

Reports to the SEC for 1 company · CAMBRIDGE

Transactions

15

Companies

1

Filings

1

CIK

0002112445

Forms 4 and 5

Insider transactions

15 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-05-18	ARMARM HOLDINGS PLC /UKS Sale	Chief Architect	SSale	−24.3K sh	$209.15	−$5.09M	0
2026-05-15	ARMARM HOLDINGS PLC /UKM Exercise/Conversion	Chief Architect	MExercise/Conversion	+2,046 sh	—	—	7,589
2026-05-15	ARMARM HOLDINGS PLC /UKM Exercise/Conversion	Chief Architect	MExercise/Conversion	+14.6K sh	—	—	22,184
2026-05-15	ARMARM HOLDINGS PLC /UKA Award	Chief Architect	AAward	+4,158 sh	—	—	26,342
2026-05-15	ARMARM HOLDINGS PLC /UKM Exercise/Conversion	Chief Architect	MExercise/Conversion	+1,631 sh	—	—	27,973
2026-05-15	ARMARM HOLDINGS PLC /UKA Award	Chief Architect	AAward	+13.3K sh	—	—	41,288
2026-05-15	ARMARM HOLDINGS PLC /UKM Exercise/Conversion	Chief Architect	MExercise/Conversion	+4,352 sh	—	—	45,640
2026-05-15	ARMARM HOLDINGS PLC /UKF Tax Payment	Chief Architect	FTax Payment	−21.3K sh	$209.16	−$4.46M	24,339
2026-05-15	ARMARM HOLDINGS PLC /UK · Restricted Stock UnitsA Award	Chief Architect	AAward	+6,648 sh	—	—	106,282
2026-05-15	ARMARM HOLDINGS PLC /UK · Restricted Stock UnitsA Award	Chief Architect	AAward	+34.8K sh	—	—	141,067
2026-05-15	ARMARM HOLDINGS PLC /UK · Restricted Stock UnitsM Exercise/Conversion	Chief Architect	MExercise/Conversion	−2,046 sh	—	—	139,021
2026-05-15	ARMARM HOLDINGS PLC /UK · Restricted Stock UnitsM Exercise/Conversion	Chief Architect	MExercise/Conversion	−14.6K sh	—	—	124,426
2026-05-15	ARMARM HOLDINGS PLC /UK · Restricted Stock UnitsM Exercise/Conversion	Chief Architect	MExercise/Conversion	−1,631 sh	—	—	122,795
2026-05-15	ARMARM HOLDINGS PLC /UKA Award	Chief Architect	AAward	+5,217 sh	—	—	5,543
2026-05-15	ARMARM HOLDINGS PLC /UK · Restricted Stock UnitsM Exercise/Conversion	Chief Architect	MExercise/Conversion	−4,352 sh	—	—	118,443

Recent filings

1

Accepted (ET)
May 194
Grisenthwaite Richard Roy0001973239-26-000076
SEC(opens sec.gov)

Companies

1

ARM HOLDINGS PLC /UKChief ArchitectARM

Address

C/O ARM HOLDINGS PLC 110 FULBOURN ROAD

CAMBRIDGE, CB1 9NJ