<SEC-DOCUMENT>0000950142-20-000963-index.html : 20200331
<SEC-HEADER>0000950142-20-000963.hdr.sgml : 20200331
<ACCEPTANCE-DATETIME>20200331180249
ACCESSION NUMBER:		0000950142-20-000963
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200327
FILED AS OF DATE:		20200331
DATE AS OF CHANGE:		20200331

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wolverine Trading Partners, Inc.
		CENTRAL INDEX KEY:			0001642866
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05415
		FILM NUMBER:		20763112

	BUSINESS ADDRESS:	
		STREET 1:		175 WEST JACKSON BLVD
		STREET 2:		SUITE 200
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604
		BUSINESS PHONE:		312-884-3745

	MAIL ADDRESS:	
		STREET 1:		175 WEST JACKSON BLVD
		STREET 2:		SUITE 200
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WOLVERINE ASSET MANAGEMENT LLC
		CENTRAL INDEX KEY:			0001279891

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05415
		FILM NUMBER:		20763113

	BUSINESS ADDRESS:	
		STREET 1:		175 W. JACKSON
		STREET 2:		SUITE 340
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60064
		BUSINESS PHONE:		3128844400

	MAIL ADDRESS:	
		STREET 1:		175 WEST JACKSON
		STREET 2:		SUITE 340
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wolverine Holdings, L.P.
		CENTRAL INDEX KEY:			0001542456
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05415
		FILM NUMBER:		20763114

	BUSINESS ADDRESS:	
		STREET 1:		175 W. JACKSON BLVD.
		STREET 2:		SUITE 200
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604
		BUSINESS PHONE:		312-884-4000

	MAIL ADDRESS:	
		STREET 1:		175 W. JACKSON BLVD.
		STREET 2:		SUITE 200
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			A. M. Castle & Co.
		CENTRAL INDEX KEY:			0000018172
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-METALS SERVICE CENTERS & OFFICES [5051]
		IRS NUMBER:				360879160
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1420 KENSINGTON ROAD
		STREET 2:		SUITE 220
		CITY:			OAK BROOK
		STATE:			IL
		ZIP:			60523
		BUSINESS PHONE:		8474557111

	MAIL ADDRESS:	
		STREET 1:		1420 KENSINGTON ROAD
		STREET 2:		SUITE 220
		CITY:			OAK BROOK
		STATE:			IL
		ZIP:			60523

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CASTLE A M & CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>es2000561_4-wolverine.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: es2000561_4-wolverine.html

Document 1 - RAW XML: es2000561_4-wolverine.xml

</DOCUMENT>
</SEC-DOCUMENT>