TRINSEO PLC

Ticker: TSE CUSIP: G9059U107 Class: Foreign Stock

DELPHI MANAGEMENT INC /MA/'s Holding History (CIK: 0000767684)

Note: Option positions (PUT/CALL) are excluded.

Q3 2021

Shares 16,459 Value ($000) $888 Avg Close $47.81 Range $40.63 - $56.08

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	16,459	$888	$47.81	$40.63 - $56.08