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 15, 2005 -------------- CELERITY SYSTEMS, INC. (Exact Name of Registrant as Specified in Charter) Delaware 814-00631 52-2050585 -------- --------- ---------- (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 122 Perimeter Park Drive Knoxville, Tennessee 37922 37922 -------------------------- ----- (Address of principal executive offices) (Zip code) (865) 539-5300 -------------- Registrant's telephone number, including area code Not Applicable -------------- (Former Name or Former Address, If Changed Since Last Report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: |_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |_| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) 1 ITEM 5.02 DEPARTURE OF DIRECTORS OR PRINCIPAL OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF PRINCIPAL OFFICERS (b) Effective April 15, 2005, David Leigh resigned as a member of the Board of Directors of Celerity Systems, Inc., a Delaware corporation (the "Company"). Mr. Leigh resigned for personal reasons and not based on any disagreement with the Company. 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. CELERITY SYSTEMS, INC. Date: April 19, 2005 By: /s/ Robert B. Legnosky -------------------------------------- Name: Robert Legnosky Title: President, Chief Executive Officer and Chairman of the Board 2