Grisenthwaite Richard Roy Insider Trading -- Recent SEC Form 4 Transactions

Grisenthwaite Richard Roy (CIK 2112445) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-19). Recent activity: Buy ARM (5,217 shares), Buy ARM (2,046 shares), Buy ARM (14,595 shares), Buy ARM (4,158 shares), Buy ARM (1,631 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-05-19ARM HOLDINGS PLC /UK (ARM)Chief ArchitectBuy5,217$0
2026-05-19ARM HOLDINGS PLC /UK (ARM)Chief ArchitectBuy2,046$0
2026-05-19ARM HOLDINGS PLC /UK (ARM)Chief ArchitectBuy14,595$0
2026-05-19ARM HOLDINGS PLC /UK (ARM)Chief ArchitectBuy4,158$0
2026-05-19ARM HOLDINGS PLC /UK (ARM)Chief ArchitectBuy1,631$0
2026-05-19ARM HOLDINGS PLC /UK (ARM)Chief ArchitectBuy13,315$0
2026-05-19ARM HOLDINGS PLC /UK (ARM)Chief ArchitectBuy4,352$0
2026-05-19ARM HOLDINGS PLC /UK (ARM)Chief ArchitectSell21,301$4.5M
2026-05-19ARM HOLDINGS PLC /UK (ARM)Chief ArchitectSell24,339$5.1M

Source: SEC Form 4 filings · as of 2026-05-19