[144] Arm Holdings plc American SEC Filing

Rhea-AI Filing Summary

Form 144 notice filed for Arm Holdings plc (ARM) proposing sale of American Depositary Shares. The notice lists 10,640 ADS intended for sale on 09/05/2025 through Fidelity Brokerage Services LLC with an aggregate market value of $1,468,320.00. The filing shows these ADS were acquired on 05/15/2024 through restricted stock vesting from the issuer and were received as compensation. The issuer’s total shares outstanding are reported as 1,056,513,738. The filer reports “Nothing to Report” for securities sold in the past three months and includes the standard representation that the seller is not aware of undisclosed material adverse information.

Positive

• Full disclosure of transaction details: number of ADS, aggregate market value, broker, and approximate sale date are provided
• Acquisition method documented: securities were acquired via restricted stock vesting and characterized as compensation
• No sales in prior three months: the filer reports "Nothing to Report" for securities sold during the past three months

Negative

• Filer identification fields are blank in the provided content (no CIK, name, contact details shown)
• Form lacks signature and explicit dates for the notice and any Rule 10b5-1 plan adoption or instruction date in the visible content

Insights

Securities Analyst

TL;DR: Insider plans to sell vested ADS received as compensation; transaction is disclosed under Rule 144 with trade details and market value.

The filing discloses a proposed sale of 10,640 American Depositary Shares via Fidelity with an aggregate market value of $1,468,320, to occur on 09/05/2025. Acquisition is documented as restricted stock vesting on 05/15/2024 and payment characterized as compensation. The filing notes no sales in the prior three months and provides the issuer's outstanding share count. This is a routine Rule 144 disclosure that documents resale eligibility and provides counterparties and timing for the proposed transaction.

Corporate Governance Expert

TL;DR: The report documents an insider sale under Rule 144 with required attestation; content is procedural and non-material beyond disclosure.

The form includes the seller’s attestation regarding lack of undisclosed material adverse information and identifies the transaction as resulting from restricted stock vesting. It specifies the broker, approximate sale date, and market value, fulfilling Rule 144 disclosure requirements. The filing contains no additional governance actions, trading plan dates, or comments, and reports no related sales in the prior three months.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
American Depositary Shares	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	10640	1468320.00	1056513738	09/05/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
American Depositary Shares	05/15/2024	Restricted Stock Vesting	Issuer			10640	05/15/2024	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What ADS and how many is the Form 144 for ARM proposing to sell?

The notice proposes sale of 10,640 American Depositary Shares.

What is the aggregate market value and proposed sale date listed in the filing?

Aggregate market value is $1,468,320.00 with an approximate sale date of 09/05/2025.

How and when were the securities acquired according to the filing?

The ADS were acquired on 05/15/2024 through restricted stock vesting from the issuer and noted as compensation.

Which broker is listed to execute the proposed sale?

The broker named is Fidelity Brokerage Services LLC with address listed in Smithfield, RI.

Does the filing report any sales by the person in the past three months?

The filing states "Nothing to Report" for securities sold during the past three months.

Does the filing include the filer’s CIK or contact information?

The provided content does not display the filer’s CIK, name, or contact details in the visible sections.