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): April 8, 2003 HEMACARE CORPORATION (Exact name of registrant as specified in its charter) CALIFORNIA (State or other jurisdiction of incorporation) 000-15223 95-3280412 (Commission File No.) (IRS Employer Identification No.) 21101 Oxnard Street Woodland Hills, CA 91367 (Address of principal executive offices and Zip Code) Registrant's telephone number, including area code: (818) 226-1968 ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMAITON AND EXHIBITS (c) Exhibits Exhibit Number Description -------------- --------------------------------------------- 99.1 Press Release issued by HemaCare Corporation, dated April 8, 2003 ITEM 9. REGULATION FD DISCLOSURE The text of a press release dated April 8, 2003, issued by HemaCare Corporation ("HemaCare") regarding the development of a new liquid intravenous gamma globulin (IVIG) manufacturing process is attached as Exhibit 99.1 hereto and is incorporated by reference herein. However, there can be no assurance that HemaCare will be successful in obtaining a U.S. patent for the IVIG manufacturing process or that HemaCare will be able to license this process to commercial fractionators. 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: April 8, 2003 HEMACARE CORPORATION /s/ Judi Irving -------------------------- Judi Irving, Chief Executive Officer EXHIBIT INDEX Exhibit Number Description -------------- ---------------------------------------------- 99.1 Press Release issued by HemaCare Corporation, dated April 8, 2003.