Transaction · 0001973239-26-000133

Abbey William

Abbey William, CCO, reported a transaction classified as grant at ARM HOLDINGS PLC UK involving 17288.000000 shares for an estimated $0.00. Reported holdings after the transaction were 65270.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ACCO
ARMARM HOLDINGS PLC UK
Trade date
Sep 14, 2026
Filing date
Sep 16, 2026
View on SEC Insider profile
Disclosed value$0Shares × reported price
Shares traded17.2k$0.00 per share
Holdings after65.2kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

ARM price since this filing

Daily closing prices, with the filing date and available return windows
ARM · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +14.5%1w ago +3.3%1d ago +8.5%
Returns since7d +36.3%30d -6.6%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
grant
Code A
Identifier
0001973239-26-000133
Restricted Stock Units
Transaction date
Sep 14, 2026
Filed Sep 16, 2026, 09:26 PM · 2d delay
Shares
17,288 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
65,270 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership Large Holdings Increase
Filing-only score

-6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Commercial Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

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

  2. 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.

  3. 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 filing · 0001973239-26-000133
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