TRINSEO PLC

Ticker: TSE CUSIP: G9059U107 Class: Foreign Stock

Ground Swell Capital, LLC's Holding History (CIK: 0001534450)

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

Q4 2025

Shares 11,765 Value ($000) $6 Avg Close $1.19 Range $0.45 - $2.41

Q2 2024

Shares 12,361 Value ($000) $29 Avg Close $3.07 Range $2.27 - $4.38

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,765	$6	$1.19	$0.45 - $2.41
Q2 2024	12,361	$29	$3.07	$2.27 - $4.38