X0304 4 2012-03-09 0 0000804753 CERNER CORP /MO/ CERN 0000900403 ILLIG CLIFFORD W 2800 ROCKCREEK PARKWAY NORTH KANSAS CITY MO 64117 1 1 0 0 Vice Chairman Common Stock 2012-03-09 4 S 0 98800 76.9468 D 7738383 D Common Stock 2012-03-12 4 S 0 101200 76.2425 D 7637183 D Common Stock 36014.205 I by 401(k) Plan Common Stock 782668 I By spouse Common Stock 54000 I By Trust as Co-Trustee Common Stock 54000 I By Trust as Co-Trustee Non-Qualified Stock Option (right to buy) 76.86 2012-03-09 4 A 0 15000 76.86 A 2014-03-09 2022-03-09 Common Stock 15000 15000 D Non-Qualified Stock Option (right to buy) 20.11 2013-03-14 2018-03-14 Common Stock 20000 20000 D Non-Qualified Stock Option (right to buy) 18.36 2011-03-06 2019-03-06 Common Stock 20000 20000 D Non-Qualified Stock Option (right to buy) 42.60 2012-03-12 2020-03-12 Common Stock 20000 20000 D Non-Qualified Stock Option (right to buy) 51.60 2013-03-11 2021-03-11 Common Stock 20000 20000 D Non-Quallified Stock Option (right to buy) 26.905 2012-03-09 2017-03-09 Common Stock 20000 20000 D Non-Quallified Stock Option (right to buy) 7.4063 2003-06-28 2020-06-28 Common Stock 288000 288000 D Non-Quallified Stock Option (right to buy) 5.6475 2006-06-12 2013-06-12 Common Stock 48000 48000 D Non-Quallified Stock Option (right to buy) 9.02 2008-09-04 2013-09-04 Common Stock 20000 20000 D Non-Quallified Stock Option (right to buy) 10.495 2009-06-03 2014-06-03 Common Stock 40000 40000 D Non-Quallified Stock Option (right to buy) 15.7025 2010-06-03 2015-06-03 Common Stock 20000 20000 D Non-Quallified Stock Option (right to buy) 21.755 2011-03-09 2016-03-09 Common Stock 20000 20000 D Variable Prepaid Forward Contract Common Stock 1000000 1000000 D Price reflects a weighted-average price for the transaction. Sale of shares took place at actual prices ranging from $76.75 to $77.28. Full information regarding the number of shares purchased or sold at each separate price shall be provided upon request by the Commission staff, Cerner Corporation, or a Cerner shareholder. Price reflects a weighted-average price for the transaction. Sale of shares took place at actual prices ranging from $75.75 to $77.28. Options are exercisable per the following schedule: 40% - 03/09/2014 20% - 03/09/2015 20% - 03/09/2016 20% - 03/09/2017 Information disclosed as part of Form 4 filing on 11/9/2009. /s/Tyler Wright, by Power of Attorney 2012-03-13