As filed with the Securities and Exchange Commission on March 6, 2006 Registration No. 333-123468 ================================================================================ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 To FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 DataMirror Corporation (Exact name of Registrant as specified in its charter) Ontario Not Applicable (Jurisdiction of Incorporation) (I.R.S. Employer Identification No.) 3100 Steeles Avenue East, Suite 700 Markham, Ontario, Canada L3R 8T3 (905) 415-0310 (Address and telephone number of Registrant's principal executive offices) DataMirror Corporation Stock Option Plan (Full title of plan) DataMirror, Inc. 1600 Golf Road, Suite 1200 Rolling Meadows, IL 60008 (847) 981-5066 (Name, address and telephone number of agent for service) ---------------------------- Copy to: Riccardo Leofanti, Esq. Skadden, Arps, Slate, Meagher & Flom LLP Suite 1750, P.O. Box 258 222 Bay Street Toronto, Ontario, Canada M5K 1J5 (416) 777-4700 TERMINATION OF REGISTRATION This Post-Effective Amendment relates to the Registration Statement on Form S-8 (File No. 333-123468) filed on March 21, 2005, pertaining to the common shares of the Registrant issuable upon exercise of the options granted under the DataMirror Corporation Stock Option Plan. The undersigned Registrant hereby removes and withdraws from registration all securities registered pursuant to these Registration Statements which remain unissued. SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Toronto, Province of Ontario, Canada, on March 6, 2006. DATAMIRROR CORPORATION By: /s/ Peter F. Cauley ------------------------------------- Peter F. Cauley Vice President, Finance and Chief Financial Officer Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment has been signed below by or on behalf of the following persons in the capacities indicated, on March 6, 2006. Signature Title --------- ----- * - -------------------------------- Nigel W. Stokes Chairman, President and Chief Executive Officer (Principal Executive Officer) /s/ Peter F. Cauley - -------------------------------- Peter F. Cauley Vice President, Finance and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer) * - -------------------------------- P. Kirk Dixon Director * - -------------------------------- Donald L. Lenz Director * - -------------------------------- Bryan E. Plug Director * - -------------------------------- Keith Powell Director * - -------------------------------- E. Herman Wallenburg Director * - -------------------------------- Donald Woodley Director * /s/ Peter F. Cauley Attorney-in-fact - -------------------------------- Peter F. Cauley AUTHORIZED REPRESENTATIVE Pursuant to the requirements of the Securities Act of 1933, the undersigned certifies that it is the duly authorized United States representative of DataMirror Corporation and has duly caused this Post-Effective Amendment to be signed on behalf of it by the undersigned, thereunto duly authorized, in the City of Toronto, Province of Ontario, Canada, on March 6, 2006. DataMirror, Inc. (Authorized U.S. Representative) By: /s/ Peter F. Cauley -------------------------------------- Name: Peter F. Cauley Title: Director