1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Act of 1934 Date of Report (Date of earliest event reported) November 17, 1998 (November 16, 1998) ------------------------------------- Superior National Insurance Group, Inc. - -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Delaware 0-25984 95-4610936 - -------------------------------------------------------------------------------- (State or other (Commission (I.R.S. Employer jurisdiction File Number) Identification No.) of incorporation) 26601 Agoura Road, Calabasas, California 91302 - -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code (818) 880-1600 -------------- - -------------------------------------------------------------------------------- (Former name or former address, if changed since last report.) 2 ITEM 5. Attached hereto as Exhibit 99.1 is the press release issued by Superior National Insurance Group, Inc. dated November 16, 1998 which is hereby incorporated by reference herein. Attached hereto as Exhibit 99.2 is the form of Notice of Guaranteed Delivery referenced in the press release. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS. (c) EXHIBITS. 99.1 Press release dated November 16, 1998. 99.2 Form of Notice of Guaranteed Delivery. 2 3 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. Date: November 17, 1998 SUPERIOR NATIONAL INSURANCE GROUP, INC. By: /s/ J. CHRIS SEAMAN ---------------------------------- J. Chris Seaman Executive Vice President and Chief Financial Officer 3 4 EXHIBIT INDEX Exhibit Number Description ------ ----------- 99.1 Press release dated November 16, 1998. 99.2 Form of Notice of Guaranteed Delivery. 4