<SEC-DOCUMENT>0001104659-20-140473-index.html : 20201230
<SEC-HEADER>0001104659-20-140473.hdr.sgml : 20201230
<ACCEPTANCE-DATETIME>20201230131739
ACCESSION NUMBER:		0001104659-20-140473
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201228
FILED AS OF DATE:		20201230
DATE AS OF CHANGE:		20201230

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zundel Mark D
		CENTRAL INDEX KEY:			0001758413

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05415
		FILM NUMBER:		201425139

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

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>a4.xml
<DESCRIPTION>4
<TEXT>
Document 1 - file: a4.html

Document 1 - RAW XML: a4.xml

</DOCUMENT>
</SEC-DOCUMENT>