Spencer Collins - 19 May 2026 Form 4 Insider Report for ARM HOLDINGS PLC /UK (ARM)

Reporting relationship: Chief Legal Officer
Issuer ticker: ARM
Reported as of: 19 May 2026
Net transaction value: -$8,802,315
SEC form: 4
Accepted by SEC: 21 May 2026, 16:16:53 UTC
Prior SEC filing: 19 May 2026
Source filing: View source filing
Reporting owner signature: /s/ George Kanelos, as Attorney-in-Fact for Spencer Collins

Key filing fact

Spencer Collins filed Form 4 for ARM HOLDINGS PLC /UK (ARM) on 21 May 2026.

Key facts

This page summarizes Spencer Collins's Form 4 filing for ARM HOLDINGS PLC /UK (ARM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 May 2026, 16:16.

Change

Previous filing in this sequence was filed on 19 May 2026.
Current net transaction value: -$8,802,315.

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 0001999165 Primary reporting owner

Collins Spencer

Relationship: Chief Legal Officer
Address: C/O ARM HOLDINGS PLC, 110 FULBOURN ROAD, CAMBRIDGE, UNITED KINGDOM
Signature: /s/ George Kanelos, as Attorney-in-Fact for Spencer Collins
Signature date: 21 May 2026

Reported non-derivative transactions

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

ARM transaction

Ordinary Shares

Sale

Transaction value: $8,802,315
Shares: -40,941
Change %: -100%
Price: $215.00
Shares after: 0
Date: 19 May 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

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.