Child Jason sold ARM
September 21, 2026 · Form 4 insider transaction
Child Jason sold 10,400 shares of Arm Holdings plc at $300.00 per share, a transaction worth $3.12M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
10,400
Price
$300.00
Total value
$3.12M
InsiderChild Jason
Role—
CompanyArm Holdings plc (ARM)
SecurityOrdinary Shares
Transaction codeS: Open-market sale
Transaction dateSeptember 21, 2026
Filing dateSeptember 23, 2026
Shares owned after153,442
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
Ordinary shares, nominal value 0.001 GBP per share ("Ordinary Shares"), are held in the form of American Depositary Shares ("ADSs"). Each ADS represents 1 Ordinary Share.; The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 22, 2026.; Includes 10 ordinary shares acquired under the Arm Holdings plc 2024 Employee Stock Purchase Plan on August 31, 2026.