UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): May 20, 2003 DELCATH SYSTEMS, INC. (Exact name of registrant as specified in its charter) Delaware 001-16133 06-1245881 (State or other (Commission File (IRS Employer jurisdiction of incorporation) Number) Identification No.) 1100 Summer Street, Stamford, Connecticut 06905 (Address of principal executive offices and zip code) Registrant's telephone number, including area code: (203) 323-8668 N/A (Former name or former address, if changed since last report) Item 5. Other Events and Regulation FD Disclosure Delcath Systems, Inc. (the "Company") is issuing pro forma stockholders' equity numbers as of March 31, 2003 to reflect the financial impact of proceeds received on May 20, 2003, upon the closing of an underwritten public offering of the Company's securities in the form of units, as if such proceeds had been received as of March 31, 2003. Set forth below are the pro forma stockholders' equity numbers: Delcath Systems, Inc. Capitalization March 31, 2003 March 31, 2003 ------------------------------------------ Actual As Adjusted ----------------- ------------------ Common stock $41,189 $75,060 Additional paid-in capital 19,049,406 20,421,103 Accumulated deficit (17,984,446) (17,984,446) ---------------- ----------------- Total stockholders' equity 1,106,149 2,511,717 ----------------- ------------------ Total liabilities and stockholders' equity $1,405,201 $2,880,211 ================= ================== The data should be read in conjunction with the financial statements, related notes and other financial information included in the Company's periodic reports filed with the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934. 2 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. DELCATH SYSTEMS, INC. By: /s/ M. S. KOLY -------------------------------------- M. S. Koly President and Chief Executive Officer Date: May 30, 2002 3