How are the reported ARM (ARM) share prices described in the Form 4 footnotes?

For the 5,000-share sale, the Form 4 notes a weighted average sales price around $291.08, with actual prices ranging from $291.04 to $291.08. The insider states she will provide detailed breakdowns of shares sold at each separate price upon request to regulators or security holders.

Arm (ARM) Chief People Officer sells 7,805 shares in open-market trades

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

ARM Holdings Chief People Officer Charlotte Claire Eaton reported open-market sales of the company’s Ordinary Shares. She sold 5,000 shares on 2026-05-21 at a weighted average price around $291.08 per share and 2,805 shares the same day at $288.10 per share, totaling 7,805 shares. The Ordinary Shares have a nominal value of 0.001 GBP and are held in the form of American Depositary Shares, with each ADS representing one Ordinary Share.

Insights

Arm’s Chief People Officer reported routine open-market sales totaling 7,805 shares.

Chief People Officer Charlotte Claire Eaton disclosed two open-market sales of Arm Holdings Ordinary Shares on 2026-05-21. She sold 5,000 shares at a weighted average price near $291.08 and 2,805 shares at $288.10, for 7,805 shares in total.

The transactions are classified as non-derivative sales, meaning they involved common equity rather than options or other derivatives. The filing’s derivative section is empty, so this disclosure focuses solely on share sales without showing any new option exercises or derivative conversions in this report.

Because the filing does not quantify her broader ownership stake or any pre-arranged trading plan, these sales are best viewed as routine insider activity based on the information provided. The prices and share counts simply document that an executive monetized a portion of her holdings on that specific date.

Insider Trade Summary

Net Seller: 7,805 shares ($2,263,521)

Net Sell 2 txns

Insider Eaton Charlotte Claire

Role Chief People Officer

Sold 7,805 shs ($2.26M)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	2,805	$288.10	$808K
Sale	Ordinary Shares	5,000	$291.08	$1.46M

Holdings After Transaction: Ordinary Shares — 5,000 shares (Direct, null)

Footnotes (1)

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. Represents weighted average sales price. The shares were sold at prices ranging from $291.04 to $291.08. The reporting person will provide upon request, to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Key Figures

Shares sold (total): 7,805 shares First trade size: 5,000 shares First trade price: $291.08 per share (weighted average) +2 more

5 metrics

Shares sold (total) 7,805 shares Total non-derivative Ordinary Shares sold on May 21, 2026

First trade size 5,000 shares Open-market sale of Ordinary Shares on May 21, 2026

First trade price $291.08 per share (weighted average) Prices ranged from $291.04 to $291.08 for 5,000-share sale

Second trade size 2,805 shares Additional open-market sale on May 21, 2026

Second trade price $288.10 per share Price for 2,805-share open-market sale

Key Terms

Ordinary Shares, American Depositary Shares, weighted average sales price, open-market sale

4 terms

Ordinary Shares financial

"Ordinary shares, nominal value 0.001 GBP per share ("Ordinary Shares"), are held in the form of American Depositary Shares"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

American Depositary Shares financial

"are held in the form of American Depositary Shares ("ADSs"). Each ADS represents 1 Ordinary Share."

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.

weighted average sales price financial

"Represents weighted average sales price. The shares were sold at prices ranging from $291.04 to $291.08."

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 Insider Transactions: What Each Field Means →

05/22/2026 - 05:23 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Eaton Charlotte Claire

(Last)

(First)

(Middle)

C/O ARM HOLDINGS PLC

110 FULBOURN ROAD

(Street)

CAMBRIDGE

CB1 9NJ

(City)

(State)

(Zip)

UNITED KINGDOM

(Country)

2. Issuer Name and Ticker or Trading Symbol
ARM HOLDINGS PLC /UK [ ARM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief People Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares⁽¹⁾	05/21/2026		S		2,805	D	$288.1	5,000	D
Ordinary Shares⁽¹⁾	05/21/2026		S		5,000	D	$291.08⁽²⁾	0	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. 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. Represents weighted average sales price. The shares were sold at prices ranging from $291.04 to $291.08. The reporting person will provide upon request, to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Remarks:

	/s/ George Kanelos, as Attorney-in-Fact for Charlotte Claire Eaton	05/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did ARM (ARM) executive Charlotte Claire Eaton report in this Form 4?

Charlotte Claire Eaton, ARM’s Chief People Officer, reported selling a total of 7,805 Ordinary Shares in open-market transactions on May 21, 2026. The filing details two separate trades, including share counts and sale prices, but does not discuss her remaining holdings or motivations.

How many ARM (ARM) shares did the Chief People Officer sell and at what prices?

ARM’s Chief People Officer sold 7,805 Ordinary Shares on May 21, 2026. One trade covered 5,000 shares at a weighted average price around $291.08, and another trade covered 2,805 shares at $288.10 per share, both classified as open-market sales.

What type of security did the ARM (ARM) insider sell in this transaction?

The insider sold Ordinary Shares of ARM, which have a nominal value of 0.001 GBP per share and are held in the form of American Depositary Shares. Each ADS represents one Ordinary Share, so the reported share counts correspond directly to ADS units held by investors.

Were any derivatives or stock options involved in this ARM (ARM) Form 4 filing?

No derivatives or stock options appear in this Form 4. All reported transactions involve non-derivative Ordinary Shares, with no option exercises or conversions disclosed. The derivative section of the filing is empty, indicating the report is limited to common equity sales only.