wrb-20260626

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

Date of Report (Date of earliest event reported): June 26, 2026


Commission File Number			1-15202

W. R. BERKLEY CORPORATION
(Exact name of registrant as specified in its charter)

Delaware

22-1867895

(State or other jurisdiction of
incorporation or organization)

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

475 Steamboat Road

Greenwich

Connecticut

06830

(Address of principal executive offices)

(Zip Code)


(203)			629-3000

(Registrant’s telephone number, including area code)


			None
Former name, former address and former fiscal year, 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))

Title of Each Class

Trading Symbol

Name of Each Exchange
on Which Registered

Common Stock, par value $.20 per share

WRB

New York Stock Exchange

5.700% Subordinated Debentures due 2058

WRB-PE

New York Stock Exchange

5.100% Subordinated Debentures due 2059

WRB-PF

New York Stock Exchange

4.250% Subordinated Debentures due 2060

WRB-PG

New York Stock Exchange

4.125% Subordinated Debentures due 2061

WRB-PH

New York Stock Exchange

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 ☐

W. R. Berkley Corporation 2

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. ☐

W. R. Berkley Corporation 3

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Lucille Sgaglione has informed W. R. Berkley Corporation (the “Company”) that she will resign from her position as Executive Vice President of the Company, effective June 30, 2026. Following her resignation as an executive officer, Ms. Sgaglione will continue to serve the Company on a part-time basis as Senior Advisor, with compensation to be adjusted commensurate with her new role. Ms. Sgaglione’s outstanding long-term incentive awards will be treated in accordance with the terms and conditions of the applicable award agreements.

W. R. Berkley Corporation 4

SIGNATURES

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

W. R. BERKLEY CORPORATION


By:	/s/ Richard M. Baio
	Name:	Richard M. Baio
	Title:	Executive Vice President -
		Chief Financial Officer

Date: June 26, 2026

W.R. Berkley Corporation filed SEC Form 8-K: Leadership Update