UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K HORIZON TECHNOLOGY FINANCE CORPORATION (Exact name of registrant as specified in its charter) DELAWARE 27-2114934 (State or other jurisdiction of incorporation or organization) 312 Farmington Avenue, Farmington, CT 06032 (Address of principal executive of ices) (Zip Code) Registrant's telephone number, including area code (860) 676-8654 (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT O ...