Sec Form 4 Filing - KILLINGSTAD CHRIS @ TENNANT CO - 2013-08-22

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

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1. Name and Address of Reporting Person KILLINGSTAD CHRIS 2. Issuer Name and Ticker or Trading Symbol TENNANT CO [ TNC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 701 NORTH LILAC DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 08/22/2013 (Street) MINNEAPOLIS, MN55422 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 08/22/2013 M( 1 ) 19,200 A $ 20.815 116,268 D Common Stock 08/22/2013 S( 1 ) 19,200 D $ 54.88 97,068 D Common Stock 08/22/2013 M( 1 ) 62,862 A $ 10.08 159,930 D Common Stock 08/22/2013 S( 1 ) 62,862 D $ 54.9134 ( 2 ) 97,068 D Common Stock 08/23/2013 M( 1 ) 844 A $ 10.08 97,912 D Common Stock 08/23/2013 S( 1 ) 844 D $ 54.9061 ( 3 ) 97,068 D Common Stock 08/26/2013 M( 1 ) 194 A $ 10.08 97,262 D Common Stock 08/26/2013 S( 1 ) 194 D $ 54.88 97,068 D Common Stock 3,462.486 I ESOP & Profit Sharing

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 Stock Option (right to buy) $ 20.815 08/22/2013 M 19,200 02/17/2007 02/17/2014 Common Stock 19,200 $ 0 0 D Stock Option (right to buy) $ 10.08 08/22/2013 M 62,862 02/27/2012 02/27/2019 Common Stock 62,862 $ 0 146,389 D Stock Option (right to buy) $ 10.08 08/23/2013 M 844 02/27/2012 02/27/2019 Common Stock 844 $ 0 145,545 D Stock Option (right to buy) $ 10.08 08/26/2013 M 194 02/27/2012 02/27/2019 Common Stock 194 $ 0 145,351 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other KILLINGSTAD CHRIS 701 NORTH LILAC DRIVE MINNEAPOLIS, MN55422 X President and CEO Signatures /s/ Amy M. Jensen on behalf of H. Chris Killingstad 08/26/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The stock option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 8, 2013. ( 2 )Reflects the weighted average price of 62,862 shares of Common Stock of Tennant Company sold by the reporting person in multiple transactions on August 22, 2013 with sale prices ranging from $54.88 to $55.19. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. ( 3 )Reflects the weighted average price of 844 shares of Common Stock of Tennant Company sold by the reporting person in multiple transactions on August 23, 2013 with sale prices ranging from $54.88 to $54.99. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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).

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