X0202 4 2005-05-06 1 0000077597 SPARTECH CORP SEH 0001229607 BUECHLER BRADLEY B 120 S. CENTRAL AVENUE SUITE 1700 CLAYTON MO 63105 1 1 0 0 CHAIRMAN, PRESIDENT & CEO Common Stock 78915 D Common Stock 18000 I By Grandchildren Common Stock 6098 I By 401(k) Plan Non-Qualified Stock Option 15.875 1997-11-03 2007-11-02 Common Stock 125000 125000 D Non-Qualified Stock Option 18.00 2002-11-01 2008-10-31 Common Stock 37500 37500 D Non-Qualified Stock Option 28.625 2003-11-01 2009-10-31 Common Stock 110000 110000 D Non-Qualified Stock Option 11.19 2004-12-06 2010-12-05 Common Stock 7500 7500 D Non-Qualified Stock Option 21.10 2004-12-06 2011-12-05 Common Stock 150000 150000 D Non-Qualified Stock Option 18.08 2004-12-12 2012-12-11 Common Stock 50000 50000 D Non-Qualified Stock Option 21.90 2004-12-11 2013-12-10 Common Stock 25000 25000 D This report is being filed to note the reporting person's termination of insider status upon his retirement on May 6, 2005 and to reflect the insider's beneficial ownership as of that date. /s/ Randy C. Ridenhour, Power of Attorney for Bradley B. Buechler 2005-08-10