Sec Form 4 Filing - TOWNSEND JEFFREY A @ CERNER CORP /MO/ - 2013-05-07

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person TOWNSEND JEFFREY A 2. Issuer Name and Ticker or Trading Symbol CERNER CORP /MO/ [ CERN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Exec. VP & Chief of Staff (Last) (First) (Middle) 2800 ROCKCREEK PARKWAY 3. Date of Earliest Transaction (MM/DD/YY) 05/07/2013 (Street) NORTH KANSAS CITY, MO64117 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/07/2013 X 9,832 A $ 3.75 29,159 ( 1 ) D Common Stock 05/07/2013 X 20,000 A $ 5.6475 49,159 ( 1 ) D Common Stock 05/07/2013 X 20,000 A $ 9.02 69,159 ( 1 ) D Common Stock 05/07/2013 X 14,828 A $ 10.495 83,987 ( 1 ) D Common Stock 05/07/2013 S 64,660 D $ 95.24 ( 2 ) ( 3 ) 19,327 ( 1 ) D Common Stock 05/08/2013 X 23,116 A $ 10.495 42,443 ( 1 ) D Common Stock 05/08/2013 S 23,116 D $ 94.64 ( 3 ) ( 4 ) 19,327 ( 1 ) D Common Stock 05/09/2013 X 10,056 A $ 10.495 29,383 ( 1 ) D Common Stock 05/09/2013 S 10,056 D $ 94.05 ( 3 ) ( 5 ) 19,327 ( 1 ) D Common Stock 17,695 I by 401(k) Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Non-Quallified Stock Option (right to buy) $ 3.75 05/07/2013 X 9,832 02/24/2007 02/24/2022 Common Stock 9,832 $ 0 0 D Non-Quallified Stock Option (right to buy) $ 5.6475 05/07/2013 X 20,000 06/12/2008 06/12/2013 Common Stock 20,000 $ 0 0 D Non-Quallified Stock Option (right to buy) $ 9.02 05/07/2013 X 20,000 09/04/2008 09/04/2013 Common Stock 20,000 $ 0 0 D Non-Quallified Stock Option (right to buy) $ 10.495 05/07/2013 X 14,828 06/03/2009 06/03/2014 Common Stock 14,828 $ 0 33,172 D Non-Quallified Stock Option (right to buy) $ 10.495 05/08/2013 X 23,116 06/03/2009 06/03/2014 Common Stock 23,116 $ 0 10,056 D Non-Quallified Stock Option (right to buy) $ 10.495 05/09/2013 X 10,056 06/03/2009 06/03/2014 Common Stock 10,056 $ 0 0 D Common Stock (Restricted) $ 0 06/01/2011 06/01/2013 Common Stock 39,000 39,000 D Common Stock (Restricted) $ 0 06/01/2012 06/01/2014 Common Stock 36,000 36,000 D Common Stock (Restricted) $ 0 06/01/2013 06/01/2015 Common Stock 10,000 10,000 D Non-Quallified Stock Option (right to buy) $ 15.7025 06/03/2010 06/03/2015 Common Stock 60,000 60,000 D Non-Quallified Stock Option (right to buy) $ 21.755 03/09/2011 03/09/2016 Common Stock 50,000 50,000 D Non-Quallified Stock Option (right to buy) $ 26.905 03/09/2012 03/09/2017 Common Stock 50,000 50,000 D Non-Qualified Stock Option (right to buy) $ 20.11 03/14/2013 03/14/2018 Common Stock 60,000 60,000 D Non-Qualified Stock Option (right to buy) $ 18.36 03/06/2011 03/06/2019 Common Stock 55,000 55,000 D Non-Qualified Stock Option (right to buy) $ 76.86 03/09/2014 03/09/2022 Common Stock 40,000 40,000 D Non-Qualified Stock Option (right to buy) $ 89.23 03/01/2015 03/01/2023 Common Stock 40,000 40,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other TOWNSEND JEFFREY A 2800 ROCKCREEK PARKWAY NORTH KANSAS CITY, MO64117 Exec. VP & Chief of Staff Signatures /s/Tyler Wright, by Power of Attorney 05/09/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 10,000 shares of restricted common stock. ( 2 )Price reflects a weighted-average price for the transaction. Sale of shares took place at actual prices ranging from $95.00 to $95.95. ( 3 )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. ( 4 )Price reflects a weighted-average price for the transaction. Sale of shares took place at actual prices ranging from $94.50 to $95.05. ( 5 )Price reflects a weighted-average price for the transaction. Sale of shares took place at actual prices ranging from $94.00 to $94.32.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.