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): December 16, 1997 ------------------------------- ALLMERICA FINANCIAL CORPORATION - -------------------------------------------------------------------------------- (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) Delaware 1-13754 04-3263626 - -------------------------------------------------------------------------------- (STATE OR OTHER JURISDICTION (COMMISSION (IRS EMPLOYER OF INCORPORATION) FILE NUMBER) IDENTIFICATION NO.) 440 Lincoln Street, Worcester, MA 01653 - -------------------------------------------------------------------------------- (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE) REGISTRANT'S TELEPHONE NUMBER: (508) 855-1000 ---------------------------------------------- N/A - -------------------------------------------------------------------------------- (FORMER NAME OR FORMER ADDRESS, IF CHANGED SINCE LAST REPORT) Page 1 of 4 pages Exhibit Index on page 4 ITEM 5. OTHER EVENTS ------------ On December 16, 1997 the Board of Directors of Allmerica Financial Corporation (the "Company") declared a dividend of one right (the "Rights") to purchase one share of common stock, par value $.01 per share, of the Company for each outstanding share of common stock, as described in the Summary of Rights and the press release dated December 16, 1997, copies of which are attached hereto as Exhibits 1 and 2, respectively, and are hereby incorporated herein by reference. The dividend is payable to stockholders of record at the close of business on December 29, 1997. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS. ------------------------------------------------------------------ (C) EXHIBITS: -------- 1. Summary of Rights 2. Press Release dated December 16, 1997. 2 SIGNATURE 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. ALLMERICA FINANCIAL CORPORATION Date: December 17, 1997 By: Edward J. Parry III ------------------------------------- Vice President and Chief Financial Officer 3 EXHIBIT INDEX The following designated exhibits are filed herewith: Page Number ----------- Exhibit - ------- 1. Summary of Rights 2. Press Release dated December 16, 1997 4