<SEC-DOCUMENT>0001510940-25-000003-index.html : 20250513
<SEC-HEADER>0001510940-25-000003.hdr.sgml : 20250513
<ACCEPTANCE-DATETIME>20250513172835
ACCESSION NUMBER:		0001510940-25-000003
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250513
DATE AS OF CHANGE:		20250513

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Clearfield, Inc.
		CENTRAL INDEX KEY:			0000796505
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				411347235
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-39957
		FILM NUMBER:		25941551

	BUSINESS ADDRESS:	
		STREET 1:		7050 WINNETKA AVE. N.
		STREET 2:		SUITE 100
		CITY:			BROOKLYN PARK
		STATE:			MN
		ZIP:			55428
		BUSINESS PHONE:		763-476-6866

	MAIL ADDRESS:	
		STREET 1:		7050 WINNETKA AVE. N.
		STREET 2:		SUITE 100
		CITY:			BROOKLYN PARK
		STATE:			MN
		ZIP:			55428

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APA Enterprises, Inc.
		DATE OF NAME CHANGE:	20041116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APA OPTICS INC /MN/
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACK Asset Management LLC
		CENTRAL INDEX KEY:			0001510940
		ORGANIZATION NAME:           	
		EIN:				203467522

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		777 WEST PUTNAM AVENUE, SUITE 300
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		914 220-8340

	MAIL ADDRESS:	
		STREET 1:		777 WEST PUTNAM AVENUE, SUITE 300
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>