SEC Form 4 · accession 0001973239-26-000136
ARM HOLDINGS PLC /UK · ARM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jason Child
Officer — Chief Financial Officer
Period of report
Sep 21, 2026
Accepted (ET)
Sep 23, 2026 · 5:06 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001973239
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Ordinary SharesF1,F3 | Sep 21, 2026 | S | 10,400 | $300.00 | D | 153,442 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Ordinary 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.
- F2The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 22, 2026.
- F3Includes 10 ordinary shares acquired under the Arm Holdings plc 2024 Employee Stock Purchase Plan on August 31, 2026.