William Abbey - 01 Jun 2026 Form 4 Insider Report for ARM HOLDINGS PLC /UK (ARM)

Reporting relationship: Chief Commercial Officer
Issuer ticker: ARM
Reported as of: 01 Jun 2026
Net transaction value: -$2,644,252
SEC form: 4
Accepted by SEC: 03 Jun 2026, 16:46:30 UTC
Prior SEC filing: 01 Jun 2026
Next SEC filing: 18 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ George Kanelos, as Attorney-in-Fact for William Abbey

Key filing fact

William Abbey filed Form 4 for ARM HOLDINGS PLC /UK (ARM) on 03 Jun 2026.

Key facts

This page summarizes William Abbey's Form 4 filing for ARM HOLDINGS PLC /UK (ARM).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Jun 2026, 16:46.

Change

Previous filing in this sequence was filed on 01 Jun 2026.
Current net transaction value: -$2,644,252.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001945497 Primary reporting owner

Abbey William

Relationship: Chief Commercial Officer
Address: C/O ARM HOLDINGS PLC, 110 FULBOURN ROAD, CAMBRIDGE, UNITED KINGDOM
Signature: /s/ George Kanelos, as Attorney-in-Fact for William Abbey
Signature date: 03 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ARM transaction

Ordinary Shares

Sale

Transaction value: $1,014,582
Shares: -2,644
Change %: -9.7%
Price: $383.73
Shares after: 24,485
Date: 01 Jun 2026
Ownership: Direct
Footnotes: F1

ARM transaction

Ordinary Shares

Sale

Transaction value: $1,629,669
Shares: -3,922
Change %: -16%
Price: $415.52
Shares after: 20,563
Date: 01 Jun 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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.

Footnote F2

Represents weighted average sales price. The shares were sold at prices ranging from $415.52 to $415.58. The reporting person will provide upon request, to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.