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): March 20, 2001 INSMED INCORPORATED (Exact name of registrant as specified in its charter) VIRGINIA 0-30739 54-1972729 - ----------------------------------------------------------------------------------- (State or other jurisdiction of (Commission File Number) (I.R.S. Employer incorporation) Identification No.) 800 East Leigh Street, Richmond, VA 23219 (Address of principal executive offices and zip code) Registrant's telephone number, including area code: (804) 828-6893 ITEM 5. OTHER EVENTS On March 20, 2001, Insmed Incorporated issued a press release announcing the results following a full analysis of its previously reported Phase II trial of SomatoKine(R) in patients with Type 2 diabetes. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference. The press release was also posted on Insmed's website on March 20, 2001. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (c) Exhibit 99.1 Press Release dated March 20, 2001. 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. INSMED INCORPORATED Date: March 21, 2001 By: /s/ Michael D. Baer ------------------------------- Michael D. Baer Chief Financial Officer INSMED INCORPORATED INDEX TO EXHIBITS Exhibit Number 99.1 Press Release dated March 20, 2001.