ARM insider sells 31,920 ADS in two trades

ARM reported insider resale transactions under Form 144.

Rhea-AI Filing Summary

ARM reported insider resale transactions under Form 144. The filing lists two reported sales by Jason E. Child: 10,640 American Depositary Shares sold on 02/18/2026 for $1,365,005.60 and 21,280 American Depositary Shares sold on 03/25/2026 for $3,157,313.60. The filing also lists scheduled restricted stock vesting events on 08/15/2024 (8,457 ADS), 11/15/2024 (2,183 ADS), 02/15/2025 (5,953 ADS) and 05/15/2025 (4,687 ADS).

Key Figures

Sale 1 shares: 10,640 ADS Sale 1 proceeds: $1,365,005.60 Sale 2 shares: 21,280 ADS +5 more

8 metrics

Sale 1 shares 10,640 ADS sold on 02/18/2026

Sale 1 proceeds $1,365,005.60 proceeds reported for 02/18/2026 sale

Sale 2 shares 21,280 ADS sold on 03/25/2026

Sale 2 proceeds $3,157,313.60 proceeds reported for 03/25/2026 sale

Vesting 08/15/2024 8,457 ADS Restricted stock vesting (compensation)

Vesting 11/15/2024 2,183 ADS Restricted stock vesting (compensation)

Vesting 02/15/2025 5,953 ADS Restricted stock vesting (compensation)

Vesting 05/15/2025 4,687 ADS Restricted stock vesting (compensation)

Key Terms

Form 144, American Depositary Shares, Restricted Stock Vesting, Issuer

4 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

American Depositary Shares financial

"American Depositary Shares | Fidelity Brokerage Services LLC"

American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.

Restricted Stock Vesting financial

"08/15/2024 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Issuer regulatory

"Restricted Stock Vesting | Issuer"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What Form 144 transactions did ARM report?

ARM reported two Form 144 resale transactions by Jason E. Child totaling 31,920 ADS. The filings show 10,640 ADS sold on 02/18/2026 for $1,365,005.60 and 21,280 ADS sold on 03/25/2026 for $3,157,313.60.

Who sold shares in the ARM Form 144 filing?

The filing names Jason E. Child as the seller. His reported transactions are for American Depositary Shares on 02/18/2026 and 03/25/2026 with corresponding proceeds listed in the filing.

How many ADS were sold and for what amounts in ARM's filing?

The filing shows 10,640 ADS sold for $1,365,005.60 and 21,280 ADS sold for $3,157,313.60. These are the explicit share counts and dollar amounts reported for the two trades.

Does the filing show any restricted stock vesting for ARM?

Yes. The filing lists restricted stock vesting events: 8,457 ADS on 08/15/2024; 2,183 ADS on 11/15/2024; 5,953 ADS on 02/15/2025; and 4,687 ADS on 05/15/2025 as compensation.

Are the proceeds recipient and trading venue shown for ARM sales?

The filing shows dollar proceeds for each sale but does not name an explicit proceeds recipient beyond the seller. It lists NASDAQ as the trading venue for the securities class in the filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/22/2026 - 11:31 AM Learn about SEC filing 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	0001533913
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ARM HOLDINGS PLC /UK
SEC File Number	001-41800
Address of Issuer	110 FULBOURN ROAD CAMBRIDGE UNITED KINGDOM CB1 9NJ
Phone	44 1223 400 400
Name of Person for Whose Account the Securities are To Be Sold	Child Jason
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	Officer

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	21280	3830400.00	1056513738	04/22/2026	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	08/15/2024	Restricted Stock Vesting	Issuer			8457	08/15/2024	Compensation
American Depositary Shares	11/15/2024	Restricted Stock Vesting	Issuer			2183	11/15/2024	Compensation
American Depositary Shares	02/15/2025	Restricted Stock Vesting	Issuer			5953	02/15/2025	Compensation
American Depositary Shares	05/15/2025	Restricted Stock Vesting	Issuer			4687	05/15/2025	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 CB1 9NJ	American Depositary Shares	02/18/2026	10640	1365005.60
Jason E. Child 110 FULBOURN ROAD CAMBRIDGE X0 CB1 9NJ	American Depositary Shares	03/25/2026	21280	3157313.60

144: Remarks and Signature

Remarks
Date of Notice	04/22/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/30/2025
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	/s/ Jessica Spraker, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jason E. Child.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)