Results of Operations

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): January 29, 2019      W. R. BERKLEY CORPORATION      (Exact name of registrant as specified in its charter) Delaware   1-15202    22-1867895    (State or other jurisdiction   (Commission   (IRS Employer of incorporation or organization)   File Number)   Identification No.) 475 Steamboat Road, Greenwich, CT   06830 (Address of principal executive offices)   (Zip Code)       Registrant's telephone number, including area code:   (203) 629-3000 Not Applicable (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): o     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) o     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) o     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) o     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 2.02 Results of Operations and Financial Condition. Reference is made to the press release of W. R. Berkley Corporation (the “Company”) relating to the announcement of the Company’s results of operations for the fourth quarter of 2017 and the year then ended. The press release was issued on January 29, 2019 . A copy of the press release is attached to this Form 8-K as Exhibit 99.1 and is incorporated herein by reference. The information contained herein shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act. Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit 99.1 Press Release dated January 29, 2019 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: Senior Vice President -     Chief Financial Officer and     Treasurer          Date: January 29, 2019 EXHIBIT INDEX Exhibit : Press Release dated January 29, 2019