Arch Capital (ACGL) CEO receives new stock options and share grant

Rhea-AI Filing Summary

Arch Capital Group Ltd. CEO Nicolas Papadopoulo reported two equity awards. He acquired a stock option for 76,243 shares at an exercise price of $0.00 per share and a grant of 21,318 common shares, both held directly. The option vests in three equal annual installments starting March 3, 2027, with additional installments on March 3, 2028 and March 3, 2029, subject to the award agreement.

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

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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)
03/03/2026

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	03/03/2026		A		21,318	A	$0	871,594	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
Stock Option (Right to Buy)	$100.48	03/03/2026		A		76,243		(1)	03/03/2036	Common Shares, $.0011 par value per share	76,243	$0	76,243	D

Explanation of Responses:

1. This stock option is exercisable in three equal annual installments commencing March 3, 2027, and the next two installments on March 3, 2028 and March 3, 2029, subject to the applicable award agreement.

Remarks:

	/s/ Nicolas Papadopoulo	03/05/2026
	** 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.
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FAQ

What insider transactions did ACGL CEO Nicolas Papadopoulo report on March 3, 2026?

Nicolas Papadopoulo reported receiving a stock option for 76,243 shares at $0.00 per share and a direct grant of 21,318 common shares. Both awards were classified as acquisitions under a grant or award transaction code.

What type of derivative award did ACGL grant to CEO Nicolas Papadopoulo?

ACGL granted Nicolas Papadopoulo a stock option covering 76,243 shares with an exercise price of $0.00 per share. This option was reported as a derivative security and labeled as a grant or award acquisition.

How does the new stock option for ACGL’s CEO Nicolas Papadopoulo vest?

The stock option for 76,243 shares vests in three equal annual installments. Vesting begins on March 3, 2027, with additional installments on March 3, 2028 and March 3, 2029, all subject to the applicable award agreement terms.

How many ACGL common shares did CEO Nicolas Papadopoulo acquire directly?

Nicolas Papadopoulo acquired 21,318 common shares of Arch Capital Group Ltd. as a grant or award. Following this transaction, he directly held a total of 871,594 common shares, according to the reported non-derivative holdings data.

Were the ACGL equity awards to Nicolas Papadopoulo reported as purchases or grants?

Both transactions were reported as grants or awards, not open-market purchases. The Form 4 labels each as an acquisition under transaction code “A,” described as a grant, award, or other acquisition of securities.

Does Nicolas Papadopoulo hold the newly granted ACGL securities directly or indirectly?

The filing classifies both the stock option and the common share grant as held directly. The ownership code and direct_or_indirect fields list “D,” and no footnotes indicate any intermediary entities or indirect beneficial ownership structures.