Arch Capital CEO granted 46,674 ACGL shares

ARCH CAPITAL GROUP LTD. director and CEO Nicolas Papadopoulo received a grant of 46,674 common shares on February 24, 2026, classified as a grant or award acquisition at no stated price per share.

Rhea-AI Filing Summary

ARCH CAPITAL GROUP LTD. director and CEO Nicolas Papadopoulo received a grant of 46,674 common shares on February 24, 2026, classified as a grant or award acquisition at no stated price per share. Following this award, his direct holdings total 850,276 common shares, including 248 shares acquired on May 30, 2025 under the company’s Employee Share Purchase Plan.

Insider Trade Summary

Grant/Award: 46,674 shares

Grant/Award 1 txn

Insider Papadopoulo Nicolas

Role CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Shares, $.0011 par value per share	46,674	$0.00	$0.00

Holdings After Transaction: Common Shares, $.0011 par value per share — 850,276 shares (Direct)

Footnotes (1)

1. F1. Amount includes 248 Common Shares acquired on May 30, 2025 under the Arch Capital Group Ltd. Employee Share Purchase Plan.

FAQ

What insider transaction did ARCH CAPITAL (ACGL) report for Nicolas Papadopoulo?

ARCH CAPITAL reported that CEO and director Nicolas Papadopoulo received a grant of 46,674 common shares. The transaction was coded as a grant, award, or other acquisition, adding to his existing direct ownership position in the company.

How many ARCH CAPITAL (ACGL) shares does Nicolas Papadopoulo now own?

After the February 24, 2026 grant, Nicolas Papadopoulo directly owns 850,276 ARCH CAPITAL common shares. This total includes 248 shares previously acquired on May 30, 2025 through the Arch Capital Group Ltd. Employee Share Purchase Plan.

What was the size of the latest ARCH CAPITAL (ACGL) share grant to the CEO?

The latest grant to ARCH CAPITAL CEO Nicolas Papadopoulo was 46,674 common shares. These shares were reported at a price of $0.0000 per share, reflecting a non-cash grant or award rather than an open-market purchase transaction.

Was the ARCH CAPITAL (ACGL) CEO share transaction a purchase or an award?

The transaction was reported as a grant or award acquisition, not an open-market purchase. It carried transaction code “A,” indicating a grant, award, or other acquisition of 46,674 common shares at a reported price of $0.0000 per share.

Does the ARCH CAPITAL (ACGL) filing mention shares from an employee share purchase plan?

Yes. A footnote explains that the reported ownership amount includes 248 common shares acquired on May 30, 2025. Those shares were obtained under the Arch Capital Group Ltd. Employee Share Purchase Plan and are part of the CEO’s directly held shares.

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Accepted by SEC EDGAR 02/26/2026 - 04:19 PM Learn about SEC filing dates

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^*

Papadopoulo Nicolas

(Last) (First) (Middle)

WATERLOO HOUSE, GROUND FLOOR

100 PITTS BAY ROAD

(Street)

PEMBROKE D0 HM 08

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ARCH CAPITAL GROUP LTD. [ ACGL ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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

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

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Shares, $.0011 par value per share	02/24/2026		A		46,674	A	$0	850,276(1)	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Amount includes 248 Common Shares acquired on May 30, 2025 under the Arch Capital Group Ltd. Employee Share Purchase Plan.

Remarks:

	/s/ Nicolas Papadopoulo	02/26/2026
	** 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.