Collins Spencer 4

What Happened

• Collins Spencer, Chief Legal Officer of ARM Holdings plc (ARM), disposed of 40,941 ADSs (each ADS = 1 ordinary share) on 2026-05-19 at $215.00 per share, for total gross proceeds of approximately $8,802,315. The transaction is reported as a sale (code S), indicating an open-market or private sale rather than a purchase.

Key Details

• Transaction date and price: 2026-05-19 at $215.00 per ADS
• Shares sold / proceeds: 40,941 ADSs; ~$8,802,315 total
• Filing date: Form 4 filed 2026-05-21 (two days after the reported transaction; appears timely under Form 4 rules)
• Shares owned after transaction: Not disclosed in the provided filing excerpt
• Footnote: F1 — ARM ordinary shares are held as American Depositary Shares (ADSs); 1 ADS = 1 ordinary share
• No 10b5-1 plan, tax-withholding, or other special conditions were noted in the provided excerpt

Context

• Sales by insiders can be routine (diversification, liquidity needs, tax reasons) and do not by themselves indicate a change in company outlook. Purchases tend to be more informative about insider confidence. This report documents a straightforward sale by a senior officer; absent additional disclosures, it should be viewed as a liquidity event rather than definitive market guidance.