<SEC-DOCUMENT>0001415889-23-013578-index.html : 20230926
<SEC-HEADER>0001415889-23-013578.hdr.sgml : 20230926
<ACCEPTANCE-DATETIME>20230926160535
ACCESSION NUMBER:		0001415889-23-013578
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20230925
FILED AS OF DATE:		20230926
DATE AS OF CHANGE:		20230926

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Greene Roger
		CENTRAL INDEX KEY:			0001994764

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36473
		FILM NUMBER:		231280512

	MAIL ADDRESS:	
		STREET 1:		C/O TRINSEO PLC
		STREET 2:		440 EAST SWEDESFORD ROAD, SUITE 301
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Trinseo PLC
		CENTRAL INDEX KEY:			0001519061
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS, MATERIALS, SYNTH RESINS & NONVULCAN ELASTOMERS [2821]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		440 EAST SWEDESFORD ROAD
		STREET 2:		SUITE 301
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		610-240-3200

	MAIL ADDRESS:	
		STREET 1:		440 EAST SWEDESFORD ROAD
		STREET 2:		SUITE 301
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Trinseo S.A.
		DATE OF NAME CHANGE:	20110429

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Bain Capital Everest (Luxco 2) S.a r.l.
		DATE OF NAME CHANGE:	20110426
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3-09262023_080925.xml
<TEXT>
Document 1 - file: form3-09262023_080925.html

Document 1 - RAW XML: form3-09262023_080925.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-09262023_080925.htm
<TEXT>
Document 2 - file: ex24-09262023_080925.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>graphic-09262023_030923.jpg
<TEXT>
Document 3 - file: graphic-09262023_030923.jpg

</DOCUMENT>
</SEC-DOCUMENT>