TRINSEO PLC

Ticker: TSE CUSIP: G9059U107 Class: Foreign Stock

CastleKnight Management LP's Holding History (CIK: 0001835751)

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

Q4 2025

Shares 516,826 Value ($000) $257 Avg Close $1.19 Range $0.45 - $2.41

Q3 2025

Shares 2,466,826 Value ($000) $5,797 Avg Close $2.60 Range $1.90 - $3.32

Q2 2025

Shares 2,766,226 Value ($000) $8,631 Avg Close $3.28 Range $2.33 - $4.41

Q1 2025

Shares 2,766,226 Value ($000) $10,180 Avg Close $4.52 Range $3.49 - $5.95

Q4 2024

Shares 2,479,618 Value ($000) $12,646 Avg Close $4.89 Range $3.12 - $6.98

Q3 2024

Shares 1,087,142 Value ($000) $5,555 Avg Close $3.30 Range $1.91 - $5.97

Q2 2024

Shares 497,500 Value ($000) $1,149 Avg Close $3.07 Range $2.27 - $4.38

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	516,826	$257	$1.19	$0.45 - $2.41
Q3 2025	2,466,826	$5,797	$2.60	$1.90 - $3.32
Q2 2025	2,766,226	$8,631	$3.28	$2.33 - $4.41
Q1 2025	2,766,226	$10,180	$4.52	$3.49 - $5.95
Q4 2024	2,479,618	$12,646	$4.89	$3.12 - $6.98
Q3 2024	1,087,142	$5,555	$3.30	$1.91 - $5.97
Q2 2024	497,500	$1,149	$3.07	$2.27 - $4.38