Arch Capital officer plans $5.28M share sale

The reported share count outstanding is 325,525,336 common shares.

Available on EDGAR 11/10/2026 - 04:21 PM EST Accepted by SEC EDGAR 11/10/2026 - 04:21 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

ARCH CAPITAL GROUP LTD. (ACGL) officer Rajeh Maamoun reported a planned sale of 48,661 common shares, with an aggregate market value of $5,281,899 and an approximate sale date of November 10, 2026. Charles Schwab & Co., Inc. is listed as the broker. Acquisition details for the securities to be sold list 10,000 common shares acquired from ARCH CAPITAL GROUP LTD. through RSU / PSU equity compensation on March 4, 2026, and 38,661 common shares acquired through an employee stock option exercise on November 10, 2026; payment for the latter is described as broker payment for cashless exercise.

Key Figures

Common shares reported for sale: 48,661 shares Aggregate market value: $5,281,899 Common shares outstanding: 325,525,336 shares +2 more

5 metrics

Common shares reported for sale 48,661 shares Approximate sale date: November 10, 2026

Aggregate market value $5,281,899 Shares reported for sale

Common shares outstanding 325,525,336 shares Listed in the securities information

RSU / PSU equity compensation acquisition 10,000 shares Acquired March 4, 2026

Employee stock option exercise 38,661 shares Acquired November 10, 2026

Key Terms

RSU / PSU, Employee Stock Option Exercise, Broker Payment for Cashless Exercise

3 terms

RSU / PSU financial

"RSU / PSU equity compensation"

Employee Stock Option Exercise financial

"Employee Stock Option Exercise"

Broker Payment for Cashless Exercise financial

"Broker Payment for Cashless Exercise"

FAQ

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

How many ACGL shares did Rajeh Maamoun report for sale?

Rajeh Maamoun, an officer, reported 48,661 common shares for sale, with an aggregate market value of $5,281,899 and an approximate sale date of November 10, 2026.

How were the ACGL shares listed for sale acquired?

The listed acquisition details identify 10,000 common shares acquired from ARCH CAPITAL GROUP LTD. through RSU / PSU equity compensation on March 4, 2026, and 38,661 common shares acquired through an employee stock option exercise on November 10, 2026. Payment for the latter is described as broker payment for cashless exercise.

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

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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	0001718249
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	ARCH CAPITAL GROUP LTD.
SEC File Number	001-16209
Address of Issuer	WATERLOO HOUSE, GROUND FLOOR 100 PITTS BAY ROAD PEMBROKE BERMUDA HM 08
Phone	441-278-9250
Name of Person for Whose Account the Securities are To Be Sold	Rajeh Maamoun
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
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	48661	5281899.00	325525336	11/10/2026	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 *
Common	03/04/2026	RSU / PSU	ARCH CAPITAL GROUP LTD.			10000	03/04/2026	Equity Compensation
Common	11/10/2026	Employee Stock Option Exercise	ARCH CAPITAL GROUP LTD.			38661	11/10/2026	Broker Payment for Cashless Exercise

* 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	11/10/2026
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	Maamoun Rajeh
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)