<SEC-DOCUMENT>0000764532-22-000002-index.html : 20220211
<SEC-HEADER>0000764532-22-000002.hdr.sgml : 20220211
<ACCEPTANCE-DATETIME>20220211130721
ACCESSION NUMBER:		0000764532-22-000002
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220211
DATE AS OF CHANGE:		20220211

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRIMAS CORP
		CENTRAL INDEX KEY:			0000842633
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL FORGING & STAMPINGS [3460]
		IRS NUMBER:				382687639
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-40013
		FILM NUMBER:		22618887

	BUSINESS ADDRESS:	
		STREET 1:		38505 WOODWARD AVENUE
		STREET 2:		SUITE 200
		CITY:			BLOOMFIELD HILLS
		STATE:			MI
		ZIP:			48304
		BUSINESS PHONE:		2486315400

	MAIL ADDRESS:	
		STREET 1:		38505 WOODWARD AVENUE
		STREET 2:		SUITE 200
		CITY:			BLOOMFIELD HILLS
		STATE:			MI
		ZIP:			48304

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIDUCIARY MANAGEMENT INC /WI/
		CENTRAL INDEX KEY:			0000764532
		IRS NUMBER:				391346018
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		100 EAST WISCONSIN AVENUE
		STREET 2:		SUITE 2200
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
		BUSINESS PHONE:		4142264545

	MAIL ADDRESS:	
		STREET 1:		100 EAST WISCONSIN AVENUE
		STREET 2:		SUITE 2200
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>TriMas21mod.txt
<DESCRIPTION>13G TRIMAS CORP DECEMBER 2021
<TEXT>
Document 1 - file: TriMas21mod.txt

</DOCUMENT>
</SEC-DOCUMENT>