ARM: Abbey William discloses securities transactions

By AlphaYouPublished Sep 16, 2026Form 4

Stocks in this disclosure

Reported activity

Abbey William

Reporting filer

Abbey William reported Grant or award in ARM HOLDINGS PLC /UK: 17288 units of Restricted Stock Units (derivative), dated 2026-09-14. The full Form 4 contains 1 transaction entry.

Disclosed: Sep 16, 2026

Reported details

1 entry

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
Restricted Stock Units (derivative)	Abbey William	2026-09-14	A	Grant or award	17288	0	65,270	2 days	Filed terms security Title: Restricted Stock Units id: F1 transaction Date: 2026-09-14 transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Shares: 17288 transaction Price Per Share: 0 transaction Acquired Disposed Code: A id: F2 id: F2 underlying Security Title: Ordinary Shares id: F3 underlying Security Shares: 17288 shares Owned Following Transaction: 65270 direct Or Indirect Ownership: D

Restricted Stock Units (derivative)

Owner: Abbey William
Date: 2026-09-14
Code: A
Action: Grant or award
Quantity: 17288
Price: 0
Following holdings: 65,270
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Restricted Stock Units
id: F1
transaction Date: 2026-09-14
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Shares: 17288
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F2
id: F2
underlying Security Title: Ordinary Shares
id: F3
underlying Security Shares: 17288
shares Owned Following Transaction: 65270
direct Or Indirect Ownership: D

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
Abbey William: Chief Commercial Officer.
F1: Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS.
F2: This RSU award was granted effective September 14, 2026. 50% will vest on each of August 15, 2028 and August 15, 2029, subject to continued service to Arm Holdings plc.
F3: 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.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

Restricted Stock Units (derivative)

Abbey William

2026-09-14

Grant or award

17288

65,270

2 days

Filed terms

security Title: Restricted Stock Units
id: F1
transaction Date: 2026-09-14
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Shares: 17288
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F2
id: F2
underlying Security Title: Ordinary Shares
id: F3
underlying Security Shares: 17288
shares Owned Following Transaction: 65270
direct Or Indirect Ownership: D

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

Abbey William: Chief Commercial Officer.

F1: Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS.

F2: This RSU award was granted effective September 14, 2026. 50% will vest on each of August 15, 2028 and August 15, 2029, subject to continued service to Arm Holdings plc.

F3: 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.