Jason E. Child to sell 10,640 ADS (NYSE: ARM) via Fidelity Broker

Rhea-AI Filing Summary

Jason E. Child proposes to sell 10,640 American Depositary Shares. The filing lists Fidelity Brokerage Services LLC as broker-dealer and records the ADS as resulting from restricted stock vesting on 11/15/2024. The excerpt also shows a prior sale of 10,640 ADS for $1,464,064.00 on 11/19/2025.

Insights

Insider Transactions Analyst

Routine Form 144 notice for an insider sale; no material company event shown.

The filing lists a proposed sale of 10,640 ADS tied to restricted stock vesting on 11/15/2024, with Fidelity Brokerage Services LLC named as broker-dealer. This appears administrative and does not disclose company-level proceeds or strategic changes.

Cash-flow treatment and broader ownership impact are not detailed in the excerpt; subsequent filings or broker reports would show execution details and settlement dates.

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	1365005.60	1056513738	02/18/2026	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	11/15/2024	Restricted Stock Vesting	Issuer			10640	11/15/2024	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Jason E. Child 110 Fulbourn Road Cambridge X0 cb19nj	American Depositary Shares	11/19/2025	10640	1464064.00

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 does Jason E. Child's Form 144 for ARM report?

It reports a proposed sale of 10,640 American Depositary Shares. The filing ties those ADS to restricted stock vesting on 11/15/2024 and names Fidelity Brokerage Services LLC as the broker-dealer handling the sale.

When did the ADS referenced in the Form 144 vest for ARM?

The ADS are recorded as resulting from restricted stock vesting on 11/15/2024. That vesting date is shown in the filing as the origin of the 10,640 ADS the filer proposes to sell.

Did the filing disclose any recent ADS sales by Jason E. Child?

Yes, the excerpt shows a prior sale of 10,640 ADS for $1,464,064.00 on 11/19/2025. That past transaction is listed separately from the current proposed sale in the filing.

Who is the broker-dealer named in the Form 144 for ARM?

Fidelity Brokerage Services LLC is listed as the broker-dealer, with an address at 900 Salem Street, Smithfield, RI 02917, in connection with the proposed sale of the ADS.