Arch Capital (NASDAQ: ACGL) CEO exercises options, sells 21,930 shares at ~$96

Rhea-AI Filing Summary

ARCH CAPITAL GROUP LTD. CEO Nicolas Papadopoulo exercised stock options and sold the resulting shares. He exercised options for 21,930 common shares at an exercise price of $18.90 per share, then sold 21,930 common shares at a weighted average price of $96.3093 per share in open-market transactions. Following these transactions, he holds 871,594 common shares directly. The options exercised had been granted earlier and vested in three equal annual installments beginning on May 13, 2017.

Insights

Equity compensation and insider-trading analyst

CEO executes routine option exercise and sale, retains large shareholding.

The CEO of Arch Capital Group exercised stock options for 21,930 shares at an exercise price of $18.90 and sold the same number of shares at a weighted average of $96.3093. The filing shows no remaining options from this grant.

This pattern is a classic exercise-and-sell transaction, converting vested options into cash. After the sale, the CEO still directly owns 871,594 common shares, indicating a substantial continuing equity position in the company.

The sale price reflects multiple trades between $96.00 and $96.54, based on the weighted-average footnote. Subsequent filings may provide additional context if further transactions or new equity awards occur.

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)
03/10/2026

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	03/10/2026		M		21,930	A	$18.9	893,524	D
Common Shares, $.0011 par value per share	03/10/2026		S		21,930	D	$96.3093(1)	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)	$18.9	03/10/2026		M			21,930	(2)	05/13/2026	Common Shares, $.0011 par value per share	21,930	$0	0	D

Explanation of Responses:

1. The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $96.00 to $96.54. Upon request, the full information regarding the number of shares sold at each separate price within the range will be provided to the issuer, any security holder of the issuer or the staff of the Securities Exchange Commission.

2. This stock option is exercisable in three equal annual installments commencing May 13, 2017, and the next two installments on May 13, 2018 and May 13, 2019, subject to the applicable award agreement.

Remarks:

	/s/ Nicolas Papadopoulo	03/12/2026
	** 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.

FAQ

What did Arch Capital Group (ACGL) CEO Nicolas Papadopoulo report in this Form 4?

The CEO reported exercising options for 21,930 common shares at $18.90 each and selling 21,930 shares at a weighted average price of $96.3093. After these transactions, he directly holds 871,594 Arch Capital Group common shares.

How many Arch Capital Group (ACGL) shares did the CEO sell and at what price?

He sold 21,930 common shares in open-market transactions at a weighted average price of $96.3093 per share. A footnote states individual sale prices ranged from $96.00 to $96.54, with full breakdowns available upon request.

What options did the Arch Capital Group (ACGL) CEO exercise in this filing?

He exercised stock options covering 21,930 common shares at an exercise price of $18.90 per share. A footnote explains the option became exercisable in three equal annual installments starting on May 13, 2017, with subsequent installments on May 13, 2018 and May 13, 2019.

How many Arch Capital Group (ACGL) shares does the CEO own after these transactions?

Following the reported exercise and sale, the CEO directly owns 871,594 common shares of Arch Capital Group. This figure reflects his position after selling 21,930 shares acquired through option exercise on March 10, 2026, as shown in the filing.

Were the Arch Capital Group (ACGL) CEO’s sale prices from a single trade or multiple trades?

The reported sale price of $96.3093 per share is a weighted average across multiple trades. A footnote clarifies shares were sold between $96.00 and $96.54, and detailed trade-level pricing is available on request to interested parties.