ACGL files 8-K with Third Quarter 2025 press release, supplement

Rhea-AI Filing Summary

Arch Capital Group Ltd. filed a Form 8-K announcing it issued an earnings press release and made available a financial supplement for the quarter ended September 30, 2025. The materials are included as Exhibit 99.1 (press release) and Exhibit 99.2 (2025 Third Quarter Financial Supplement) and are incorporated by reference.

The company stated these materials are furnished and not deemed “filed” under the Exchange Act.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 8-K

Current Report Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

October 27, 2025

Date of Report (Date of earliest event reported) 

Arch Capital Group Ltd.

(Exact name of registrant as specified in its charter)

Bermuda

001-16209

98-0374481

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

Waterloo House, Ground Floor, 100 Pitts Bay Road, Pembroke HM 08, Bermuda

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code:

(441) 278-9250

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Exchange Act:

Title of each class

Trading Symbol (s)

Name of each exchange on which registered

Common shares, $0.0011 par value per share

ACGL

NASDAQ

Stock Market

Depositary shares, each representing a 1/1,000th interest in a 5.45% Series F preferred share

ACGLO

NASDAQ

Stock Market

Depositary shares, each representing a 1/1,000th interest in a 4.55% Series G preferred share

ACGLN

NASDAQ

Stock Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

    Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  o

ITEM 2.02           Results of Operations and Financial Condition.

On October 27, 2025 Arch Capital Group Ltd. issued a press release reporting its earnings and the availability of its financial supplement for the quarter ended September 30, 2025. The press release and financial supplement are attached to this Current Report on Form 8-K as Exhibit 99.1 and Exhibit 99.2, respectively, and are incorporated herein by reference.

The information in this Current Report on Form 8-K, including the information set forth in Exhibit 99.1 and Exhibit 99.2, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

ITEM 9.01    Financial Statements and Exhibits.

(d):     The following exhibits are being filed herewith.

EXHIBIT NO.						DESCRIPTION
99.1						Press Release dated October 27, 2025 announcing the earnings of Arch Capital Group Ltd. for the quarter ended September 30, 2025
99.2						2025 Third Quarter Financial Supplement
104						Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			ARCH CAPITAL GROUP LTD.
Date: October 27, 2025			By:			/s/ François Morin
						Name:			François Morin
						Title:			Executive Vice President, Chief Financial Officer and Treasurer

3

FAQ

What did ACGL announce in this Form 8-K?

It announced an earnings press release and a financial supplement for the quarter ended September 30, 2025.

Which exhibits are included with ACGL’s 8-K?

Exhibit 99.1 is the earnings press release dated October 27, 2025, and Exhibit 99.2 is the 2025 Third Quarter Financial Supplement.

Is the information in the exhibits considered "filed"?

No. The company stated the information is furnished and not deemed “filed” under the Exchange Act.

What period do the ACGL materials cover?

They cover the quarter ended September 30, 2025.

What is ACGL’s trading symbol and exchange?

ACGL trades on the NASDAQ Stock Market.

When is the date of report for this 8-K?

October 27, 2025.