    <SEC-DOCUMENT>0000902664-19-001746-index.html : 20190403
    <SEC-HEADER>0000902664-19-001746.hdr.sgml : 20190403
    <ACCEPTANCE-DATETIME>20190403171525
    ACCESSION NUMBER:		0000902664-19-001746
    CONFORMED SUBMISSION TYPE:	DFAN14A
    PUBLIC DOCUMENT COUNT:		17
    FILED AS OF DATE:		20190403
    DATE AS OF CHANGE:		20190403
    EFFECTIVENESS DATE:		20190403

    SUBJECT COMPANY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Knowles Corp
    		CENTRAL INDEX KEY:			0001587523
    		STANDARD INDUSTRIAL CLASSIFICATION:	HOUSEHOLD AUDIO & VIDEO EQUIPMENT [3651]
    		IRS NUMBER:				901002689
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DFAN14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36102
    		FILM NUMBER:		19730009

    	BUSINESS ADDRESS:
    		STREET 1:		1151 MAPLEWOOD DRIVE
    		CITY:			ITASCA
    		STATE:			IL
    		ZIP:			60143
    		BUSINESS PHONE:		630-250-5100

    	MAIL ADDRESS:
    		STREET 1:		1151 MAPLEWOOD DRIVE
    		CITY:			ITASCA
    		STATE:			IL
    		ZIP:			60143

    FILED BY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Caligan Partners LP
    		CENTRAL INDEX KEY:			0001727492
    		IRS NUMBER:				822603419
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DFAN14A

    	BUSINESS ADDRESS:
    		STREET 1:		520 MADISON AVENUE
    		STREET 2:		41ST FLOOR
    		CITY:			NEW YORK
    		STATE:			NM
    		ZIP:			10022
    		BUSINESS PHONE:		718-570-6018

    	MAIL ADDRESS:
    		STREET 1:		520 MADISON AVENUE
    		STREET 2:		41ST FLOOR
    		CITY:			NEW YORK
    		STATE:			NM
    		ZIP:			10022
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DFAN14A
    <SEQUENCE>1
    <FILENAME>p19-0907dfan14a.htm
    <DESCRIPTION>KNOWLES CORPORATION
    <TEXT>
    Document 1 - file: p19-0907dfan14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>2
    <FILENAME>p19-0907exhibit1.htm
    <DESCRIPTION>EXHIBIT 1- WHO KNOWLES INTELLIGENT AUDIO
    <TEXT>
    Document 2 - file: p19-0907exhibit1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>image_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: image_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>image_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: image_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image_003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: image_003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>image_004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: image_004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image_005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: image_005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>image_006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: image_006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>image_007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: image_007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>image_008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: image_008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>image_009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: image_009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>image_010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: image_010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>image_011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: image_011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>image_012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: image_012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>image_013.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: image_013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>image_014.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: image_014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>17
    <FILENAME>p19-0907exhibit_1.pdf
    <DESCRIPTION>PDF TO EXHIBIT 1
    <TEXT>
    Document 17 - file: p19-0907exhibit_1.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>