- ------------------------------------------------------------------------------ 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): February 9, 1998 0-27352 (Commission File Number) ------------------------------ HYBRIDON, INC. (Exact name of registrant as specified in its charter) Delaware 3072298 (State of Incorporation) (IRS Employer Identification Number) 620 Memorial Drive, Cambridge, Massachusetts 02139 (Address of registrant's principal executive office) (617) 528-7000 (Registrant's telephone number) ------------------------------ - ------------------------------------------------------------------------------ITEM 9. SALES OF EQUITY SECURITIES PURSUANT TO REGULATION S On February 9, 1998, as part of a private placement (the "Offering"), Hybridon, Inc. (the "Company") sold $2,384,000 in principal amount of Notes due 2007 (the "Offering Notes"), and warrants (the "Warrants") to purchase common stock, par value $.001 per share, of the Company, pursuant to the terms of the Offering described in its Current Report on Form 8-K, and the press release filed as an exhibit thereto, dated January 22, 1998 (the "January 22, 1998 8-K"). The Offering Notes were issued at face value in offshore transactions pursuant to Regulation S promulgated under the Securities Act of 1933, as amended (the "Securities Act"). The purchasers of the Offering Notes were accredited investors (as defined in Regulation D promulgated under the Securities Act). The terms of conversion of the Offering Notes and the terms of the Warrants are described in the January 22, 1998 8-K. The net proceeds to the Company from the Offering are presently intended to be used for general corporate purposes, primarily research and product development activities, including costs of preparing Investigational New Drug applications and conducting preclinical studies and clinical trials, the payment of payroll and other accounts payable and for debt service required under the Company's debt obligations. 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. HYBRIDON, INC. By: /s/ E. ANDREWS GRINSTEAD, III ------------------------------------ Name: E. Andrews Grinstead, III Title: Chairman of the Board, President and Chief Executive Officer Date: February 24, 1998 KRAMER, LEVIN, NAFTALIS & FRANKEL 919 THIRD AVENUE NEW YORK, N.Y. 10022 - 3852 (212) 715 - 9100 FAX (212) 715-8000 ----- WRITER'S DIRECT NUMBER (212) 715-9414 February 24, 1998 VIA EDGAR Securities and Exchange Commission Judiciary Plaza 450 Fifth Street, N.W. Washington, D.C. 20549 Re: Hybridon, Inc. Filing of Current Report on Form 8-K Ladies and Gentlemen: On behalf of Hybridon, Inc., a Delaware corporation (the "Company"), pursuant to the rules and regulations promulgated under the Securities Exchange Act of 1934, as amended, we are transmitting herewith via EDGAR a Current Report on Form 8-K of the Company. Please address any questions or comments to the undersigned at (212) 715-9414. Very truly yours, /s/ A. BENJAMIN WIENER ---------------------- A. Benjamin Wiener cc: Hybridon, Inc.