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): AUGUST 13, 2004 ACURA PHARMACEUTICALS, INC. 616 N. NORTH COURT, PALATINE, ILLINOIS 60067 (847-705-7709) Incorporated under the laws of Commission File Number I.R.S. Employer Identification Number State of New York 1-10113 11-0853640 This Current Report on Form 8-K is filed by Acura Pharmaceuticals, Inc. (formerly known as Halsey Drug Co., Inc.), a New York corporation (the "Company"), in connection with the matters described herein. ITEM 2. ACQUISITION OR DISPOSITION OF ASSETS. On August 13, 2004, the Company and its wholly-owned subsidiary, Axiom Pharmaceutical Corporation, a Delaware corporation, completed the sale of substantially all of the assets located at the Company's former manufacturing sites in Congers, New York to IVAX Pharmaceuticals New York LLC, a New York limited liability company ("IVAX"). In exchange for the Congers assets, the Company received from IVAX cash in the amount of $2.5 million and IVAX assumed certain related liabilities. The sale price was determined by arms-length negotiation between the parties based on a variety of factors. The sale of substantially all of the Congers assets is described more fully in the Company's definitive proxy statement on Schedule 14A, filed with the Securities and Exchange Commission on July 6, 2004. ITEM 5. OTHER EVENTS. On August 13, 2004, the Company issued the press release attached hereto as Exhibit 99.2 announcing the results of the Company's 2004 annual meeting of shareholders and the completion of the sale of the Company's Congers assets to IVAX. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS. (B) PRO FORMA FINANCIAL INFORMATION Unaudited pro forma financial information has not been provided as the sale of substantially all of the assets used in the operation of the Congers facilities and the assignment of certain related liabilities will be accounted for as a disposition of assets and the Company's financial statements for the year ended December 31, 2003 reflect the write down of such assets to their estimated net realizable value of approximately $2.0 million. (C) EXHIBITS EXHIBIT NUMBER DESCRIPTION ------ ----------- 2.1 Asset Purchase Agreement, dated March 19, 2004, by and among Halsey Drug Co., Inc., Axiom Pharmaceutical Corporation and IVAX Pharmaceuticals New York LLC (Exhibit 2.1 to the Company's Current Report on Form 8-K dated March 19, 2004 and incorporated by reference herein) 10.1 Voting Agreement, dated March 19, 2004, by and among Halsey Drug Co., Inc., IVAX Pharmaceuticals New York LLC and certain holders of Halsey Drug Co., Inc.'s voting securities (Exhibit 10.1 to the Company's Current Report on Form 8-K dated March 19, 2004 and incorporated by reference herein) 10.2 Use and License Agreement, dated March 19, 2004, by and among Halsey Drug Co., Inc., Axiom Pharmaceutical Corporation and IVAX Pharmaceuticals New York LLC (Exhibit 10.2 to the Company's Current Report on Form 8-K dated March 19, 2004 and incorporated by reference herein) 99.1 Press Release of Halsey Drug Co., Inc. dated March 24, 2004 (Exhibit 99.1 to the Company's Current Report on Form 8-K dated March 19, 2004 and incorporated by reference herein) 99.2 Press Release of Acura Pharmaceuticals, Inc. dated August 13, 2004. 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 thereunto duly authorized. ACURA PHARMACEUTICALS, INC. By: /s/ Andrew D. Reddick ------------------------------------- Andrew D. Reddick President & Chief Executive Officer Date: August 13, 2004 EXHIBIT INDEX EXHIBIT NUMBER DESCRIPTION ------ ----------- 2.1 Asset Purchase Agreement, dated March 19, 2004, by and among Halsey Drug Co., Inc., Axiom Pharmaceutical Corporation and IVAX Pharmaceuticals New York LLC (Exhibit 2.1 to the Company's Current Report on Form 8-K dated March 19, 2004 and incorporated by reference herein) 10.1 Voting Agreement, dated March 19, 2004, by and among Halsey Drug Co., Inc., IVAX Pharmaceuticals New York LLC and certain holders of Halsey Drug Co., Inc.'s voting securities (Exhibit 10.1 to the Company's Current Report on Form 8-K dated March 19, 2004 and incorporated by reference herein) 10.2 Use and License Agreement, dated March 19, 2004, by and among Halsey Drug Co., Inc., Axiom Pharmaceutical Corporation and IVAX Pharmaceuticals New York LLC (Exhibit 10.2 to the Company's Current Report on Form 8-K dated March 19, 2004 and incorporated by reference herein) 99.1 Press Release of Halsey Drug Co., Inc. dated March 24, 2004 (Exhibit 99.1 to the Company's Current Report on Form 8-K dated March 19, 2004 and incorporated by reference herein) 99.2 Press Release of Acura Pharmaceuticals, Inc. dated August 13, 2004.