Transaction · 0001973239-26-000121

Bartels Laura Kathleen

Bartels Laura Kathleen, CAO, reported a transaction classified as withholding at ARM HOLDINGS PLC UK involving 856.000000 shares for an estimated $232344.08. Reported holdings after the transaction were 12960.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCAO
ARMARM HOLDINGS PLC UK
Trade date
Aug 17, 2026
Filing date
Aug 18, 2026
View on SEC Insider profile
Disclosed value-$232kShares × reported price
Shares traded856$271.43 per share
Holdings after12.9kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

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 +5.5%1w ago +5.7%1d ago +10.3%
Returns since7d -3.1%30d -7.3%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001973239-26-000121
Ordinary Shares
Transaction date
Aug 17, 2026
Filed Aug 18, 2026, 09:31 PM · 1d delay
Shares
856 sh
$271.43 per share
Estimated value
-$232k
Computed from shares × price
Holdings after
12,960 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

-12 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 = 1

    Filing reported within two business days of the transaction.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
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 Accounting Officer

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

  2. F2

    This restricted stock unit ("RSU") award was granted on May 13, 2024, 28.5% of which vested on May 15, 2025, with quarterly vesting of 6.5% thereafter, subject to continued service to the Company.

  3. F3

    Each RSU represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS.

  4. F4

    This RSU award was granted on May 1, 2025, 28.5% of which vested on May 15, 2026, with quarterly vesting of 6.5% thereafter, subject to continued service to the Company.

  5. F5

    Ordinary Shares withheld to satisfy tax withholding requirements on vesting of RSUs.

Original filing · 0001973239-26-000121
Related transactions

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