Arch Capital director granted restricted shares

Houston Daniel Joseph reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Houston Daniel Joseph reported acquisition or exercise transactions in this Form 4 filing.

ARCH CAPITAL GROUP LTD. director Daniel Joseph Houston reported two equity awards of common shares. He received grants of 1,327 and 2,071 restricted common shares at no cash cost as part of his annual retainer for serving as a director.

Under the restricted share agreement, these awards vest on the earlier of one year after the grant date or the company’s next Annual General Meeting of Shareholders. Following these awards, the filing shows updated direct common share holdings of 13,313 and 11,986 shares in the two reported positions.

Insider Trade Summary

Grant/Award: 3,398 shares

Grant/Award 2 txns

Insider Houston Daniel Joseph

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Shares, $.0011 par value per share	2,071	$0.00	$0.00
Grant/Award	Common Shares, $.0011 par value per share	1,327	$0.00	$0.00

Holdings After Transaction: Common Shares, $.0011 par value per share — 13,313 shares (Direct)

Footnotes (2)

1. F1. Subject to the terms of the restricted share agreement, represents restricted shares that will become vested on the date that is the earlier of 1) one year following the grant date or 2) Arch Capital Group Ltd.'s next Annual General Meeting of Shareholders.
2. F2. Represents shares granted as part of the director-elected annual retainer for serving as a director of the Issuer.

Key Figures

Restricted share grant 1: 1,327 shares Restricted share grant 2: 2,071 shares Holdings after grant (entry 1): 13,313 shares +1 more

4 metrics

Restricted share grant 1 1,327 shares Restricted common shares awarded on May 5, 2026

Restricted share grant 2 2,071 shares Restricted common shares awarded on May 5, 2026

Holdings after grant (entry 1) 13,313 shares Direct common share holdings following award

Holdings after grant (entry 2) 11,986 shares Direct common share holdings following award

Key Terms

restricted shares, annual retainer, vested, Annual General Meeting of Shareholders

4 terms

restricted shares financial

"represents restricted shares that will become vested on the date that is the earlier"

Restricted shares are company stock that cannot be sold or transferred immediately because they are subject to legal or contractual limits, such as a required holding period or performance conditions. They matter to investors because these locked-up shares can affect a company’s available stock for trading, future dilution, and insider incentives—imagine a gift that can’t be cashed until certain conditions are met, which changes when and how much supply can suddenly enter the market.

annual retainer financial

"Represents shares granted as part of the director-elected annual retainer"

vested financial

"restricted shares that will become vested on the date that is the earlier"

Annual General Meeting of Shareholders financial

"the earlier of 1) one year following the grant date or 2) Arch Capital Group Ltd.'s next Annual General Meeting of Shareholders"

FAQ

What insider transaction did Arch Capital (ACGL) report for Daniel Joseph Houston?

Arch Capital reported that director Daniel Joseph Houston received two grants of restricted common shares, totaling 1,327 and 2,071 shares. These awards were part of his annual retainer for board service and involved no open-market buying or selling activity.

Are the Arch Capital (ACGL) share grants to Daniel Houston open-market purchases or sales?

The reported transactions are grants, not open-market trades. Daniel Houston received restricted common shares as equity compensation under his director-elected annual retainer, with a reported price per share of zero, indicating no cash purchase or sale in the market.

When do Daniel Houston’s Arch Capital (ACGL) restricted shares vest?

The restricted shares will vest on the earlier of one year after the grant date or Arch Capital Group Ltd.’s next Annual General Meeting of Shareholders. This vesting schedule is governed by the company’s restricted share agreement referenced in the filing footnotes.

How many Arch Capital (ACGL) shares does Daniel Houston hold after the grants?

After the reported grants, the filing shows updated direct holdings of 13,313 common shares in one entry and 11,986 common shares in another. These figures reflect his positions immediately following the equity awards disclosed in the Form 4 filing.

What type of security was granted to Arch Capital (ACGL) director Daniel Houston?

Daniel Houston received restricted common shares of Arch Capital Group Ltd., each with a par value of $0.0011. These restricted shares are subject to vesting terms under a restricted share agreement tied to his annual retainer for serving on the company’s board of directors.

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Accepted by SEC EDGAR 05/07/2026 - 04:48 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^*

Houston Daniel Joseph

(Last) (First) (Middle)

WATERLOO HOUSE, GROUND FLOOR

100 PITTS BAY ROAD

(Street)

PEMBROKE HM 08

(City) (State) (Zip)

BERMUDA

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Shares, $.0011 par value per share	05/05/2026		A		2,071	A	(1)	11,986	D
Common Shares, $.0011 par value per share	05/05/2026		A		1,327	A	(2)	13,313	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. Subject to the terms of the restricted share agreement, represents restricted shares that will become vested on the date that is the earlier of 1) one year following the grant date or 2) Arch Capital Group Ltd.'s next Annual General Meeting of Shareholders.

2. Represents shares granted as part of the director-elected annual retainer for serving as a director of the Issuer.

Remarks:

	/s/ Daniel Joseph Houston	05/07/2026
	** 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)