Rene A. Haas - 18 Mar 2026 Form 3 Insider Report for ARM HOLDINGS PLC /UK (ARM)

Signature
/s/ George Kanelos, as Attorney-in-Fact for Rene A. Haas
Issuer symbol
ARM
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 17:05:21 UTC

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Haas Rene A. Chief Executive Officer, Director C/O ARM HOLDINGS PLC, 110 FULBOURN ROAD, CAMBRIDGE, UNITED KINGDOM /s/ George Kanelos, as Attorney-in-Fact for Rene A. Haas 18 Mar 2026 0001998912

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ARM Ordinary Shares 314,832 18 Mar 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.

Remarks:

Exhibit 24 - Power of Attorney