Child Jason plan to sell securities of ARM HOLDINGS PLC /UK under Form 144

Child Jason filed Form 144 to notify SEC of plan to sell 21280 units of ARM HOLDINGS PLC /UK securities around 2026-04-22, with aggregate market value of $3,830,400.00. The total outstanding units is 1056513738.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 02/18/2026, sold 10640 units for $1365005.60; On 03/25/2026, sold 21280 units for $3157313.60;