    <SEC-DOCUMENT>0000902664-17-004554-index.html : 20171213
    <SEC-HEADER>0000902664-17-004554.hdr.sgml : 20171213
    <ACCEPTANCE-DATETIME>20171213082513
    ACCESSION NUMBER:		0000902664-17-004554
    CONFORMED SUBMISSION TYPE:	SC 13D
    PUBLIC DOCUMENT COUNT:		62
    FILED AS OF DATE:		20171213
    DATE AS OF CHANGE:		20171213

    SUBJECT COMPANY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			TENNANT CO
    		CENTRAL INDEX KEY:			0000097134
    		STANDARD INDUSTRIAL CLASSIFICATION:	REFRIGERATION & SERVICE INDUSTRY MACHINERY [3580]
    		IRS NUMBER:				410572550
    		STATE OF INCORPORATION:			MN
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		SC 13D
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	005-16210
    		FILM NUMBER:		171253041

    	BUSINESS ADDRESS:
    		STREET 1:		701 N LILAC DR
    		STREET 2:		PO BOX 1452
    		CITY:			MINNEAPOLIS
    		STATE:			MN
    		ZIP:			55440
    		BUSINESS PHONE:		7635401200

    	MAIL ADDRESS:
    		STREET 1:		701 N LILAC DR
    		STREET 2:		PO BOX 1452
    		CITY:			MINNEAPOLIS
    		STATE:			MN
    		ZIP:			55440

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	TENNANT G H CO
    		DATE OF NAME CHANGE:	19700515

    FILED BY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			PrimeStone Capital LLP
    		CENTRAL INDEX KEY:			0001724316
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			X0
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		SC 13D

    	BUSINESS ADDRESS:
    		STREET 1:		17A CURZON STREET
    		CITY:			LONDON
    		STATE:			X0
    		ZIP:			W1J5HS
    		BUSINESS PHONE:		44 20 7072 3154

    	MAIL ADDRESS:
    		STREET 1:		17A CURZON STREET
    		CITY:			LONDON
    		STATE:			X0
    		ZIP:			W1J5HS
    </SEC-HEADER>
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    <SEQUENCE>1
    <FILENAME>p17-2334sc13d.htm
    <DESCRIPTION>TENNANT COMPANY
    <TEXT>
    Document 1 - file: p17-2334sc13d.htm

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    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>2
    <FILENAME>p17-2334exhibit_1.htm
    <DESCRIPTION>EXHIBIT 1
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    Document 2 - file: p17-2334exhibit_1.htm

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    <SEQUENCE>3
    <FILENAME>image_060.jpg
    <DESCRIPTION>GRAPHIC
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    Document 3 - file: image_060.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 4 - file: image_061.jpg

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    Document 5 - file: image_062.jpg

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    Document 6 - file: image_063.jpg

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    Document 7 - file: image_064.jpg

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    Document 8 - file: image_065.jpg

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    Document 9 - file: image_066.jpg

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    Document 10 - file: image_067.jpg

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    Document 11 - file: image_068.jpg

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    Document 12 - file: image_069.jpg

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    Document 13 - file: image_070.jpg

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    Document 14 - file: image_071.jpg

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    Document 15 - file: image_072.jpg

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    Document 16 - file: image_073.jpg

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    Document 17 - file: image_074.jpg

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    Document 18 - file: image_075.jpg

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    Document 19 - file: image_076.jpg

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    Document 20 - file: image_077.jpg

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    Document 21 - file: image_078.jpg

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    Document 22 - file: image_079.jpg

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    Document 23 - file: image_080.jpg

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    Document 24 - file: image_081.jpg

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    Document 25 - file: image_082.jpg

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    Document 26 - file: image_083.jpg

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    Document 27 - file: image_084.jpg

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    Document 28 - file: image_085.jpg

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    <SEQUENCE>29
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    Document 29 - file: image_086.jpg

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    <SEQUENCE>30
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    Document 30 - file: image_087.jpg

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    <SEQUENCE>31
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    Document 31 - file: image_088.jpg

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    <SEQUENCE>32
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    Document 32 - file: image_089.jpg

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    Document 33 - file: image_090.jpg

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    Document 34 - file: image_091.jpg

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    Document 35 - file: image_092.jpg

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    Document 36 - file: image_093.jpg

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    Document 37 - file: image_094.jpg

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    Document 38 - file: image_095.jpg

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    Document 39 - file: image_096.jpg

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    Document 40 - file: image_097.jpg

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    Document 41 - file: image_098.jpg

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    Document 42 - file: image_099.jpg

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    Document 43 - file: image_100.jpg

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    Document 44 - file: image_101.jpg

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    Document 45 - file: image_102.jpg

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    Document 46 - file: image_103.jpg

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    Document 47 - file: image_104.jpg

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    Document 48 - file: image_105.jpg

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    Document 49 - file: image_106.jpg

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    Document 51 - file: image_108.jpg

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    Document 52 - file: image_109.jpg

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    Document 53 - file: image_110.jpg

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    Document 54 - file: image_111.jpg

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    Document 55 - file: image_112.jpg

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    Document 56 - file: image_113.jpg

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    Document 57 - file: image_114.jpg

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    Document 58 - file: image_115.jpg

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    Document 59 - file: image_116.jpg

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    Document 60 - file: image_117.jpg

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    Document 61 - file: image_118.jpg

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    <DOCUMENT>
    <TYPE>EX-99
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    <FILENAME>p17-2334exhibit_1.pdf
    <DESCRIPTION>EXHIBIT 1
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    Document 62 - file: p17-2334exhibit_1.pdf

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