{"url_path":"/sec/wrb/8-k/2026-07-20/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-07-20","source_url":"https://www.sec.gov/Archives/edgar/data/11544/0000011544-26-000033-index.html","accession_number":"0000011544-26-000033","cik":"0000011544","ticker":"WRB","issuer_name":"BERKLEY W R CORP","edgar_url":"https://www.sec.gov/Archives/edgar/data/11544/0000011544-26-000033-index.html","primary_entity_key":"0000011544","primary_entity_name":"BERKLEY W R CORP"},"word_count":339,"has_tables":true,"body_markdown":"wrb-20260720\n0000011544false00000115442026-07-202026-07-200000011544wrb:SubordinatedDebenturesDue20585.70Member2026-07-202026-07-200000011544wrb:SubordinatedDebenturesDue20595.10Member2026-07-202026-07-200000011544wrb:SubordinatedDebenturesDue2060425Member2026-07-202026-07-200000011544wrb:SubordinatedDebenturesDue20614125Member2026-07-202026-07-20\n\n        \n\nUNITED STATES SECURITIES AND EXCHANGE COMMISSION\nWashington, D.C. 20549\n\nFORM 8-K\n\nCURRENT REPORT\n\nPursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934\n\nDate of Report (Date of earliest event reported): July 20, 2026\n\nCommission File Number\n\n1-15202\n\n     W. R. BERKLEY CORPORATION     \n(Exact name of registrant as specified in its charter)\n\nDelaware22-1867895\n\n(State or other jurisdiction of\nincorporation or organization)(I.R.S. Employer Identification No.)\n\n  \n\n475 Steamboat RoadGreenwichConnecticut06830\n\n(Address of principal executive offices)(Zip Code)\n\n(203)629-3000\n\n(Registrant’s telephone number, including area code)\n\nNone\n\nFormer name, former address and former fiscal year, if changed since last report.\n\nCheck 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):\n\n☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\nTitle of Each Class Trading Symbol Name of Each Exchange\non Which Registered\n\nCommon Stock, par value $.20 per share WRB New York Stock Exchange\n\n5.700% Subordinated Debentures due 2058WRB-PENew York Stock Exchange\n\n5.100% Subordinated Debentures due 2059WRB-PFNew York Stock Exchange\n\n4.250% Subordinated Debentures due 2060WRB-PGNew York Stock Exchange\n\n4.125% Subordinated Debentures due 2061WRB-PHNew York Stock Exchange\n\nIndicate 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     ☐    \n\nW. R. Berkley Corporation         2\n\nIf 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.     ☐    \n\nW. R. Berkley Corporation         3"}