TRINSEO PLC

Ticker: TSE CUSIP: G9059U107 Class: Foreign Stock

Bank of New York Mellon Corp's Holding History (CIK: 0001390777)

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

Q4 2025

Shares 80,741 Value ($000) $40 Avg Close $1.19 Range $0.45 - $2.41

Q3 2025

Shares 81,402 Value ($000) $191 Avg Close $2.60 Range $1.90 - $3.32

Q2 2025

Shares 81,392 Value ($000) $254 Avg Close $3.28 Range $2.33 - $4.41

Q2 2024

Shares 23,226 Value ($000) $54 Avg Close $3.07 Range $2.27 - $4.38

Q1 2024

Shares 145,050 Value ($000) $548 Avg Close $5.24 Range $3.17 - $8.41

Q4 2023

Shares 150,872 Value ($000) $1,263 Avg Close $6.56 Range $5.38 - $8.66

Q3 2023

Shares 164,594 Value ($000) $1,345 Avg Close $12.43 Range $7.28 - $18.26

Q2 2023

Shares 365,711 Value ($000) $4,634 Avg Close $15.81 Range $11.55 - $22.20

Q1 2023

Shares 366,208 Value ($000) $7,635 Avg Close $23.79 Range $18.35 - $29.70

Q4 2022

Shares 363,912 Value ($000) $8,264 Avg Close $21.14 Range $16.83 - $27.03

Q3 2022

Shares 367,472 Value ($000) $6,732 Avg Close $29.54 Range $16.88 - $41.53

Q2 2022

Shares 394,047 Value ($000) $15,155 Avg Close $42.39 Range $33.48 - $50.48

Q1 2022

Shares 429,969 Value ($000) $20,605 Avg Close $48.83 Range $40.20 - $55.53

Q4 2021

Shares 431,322 Value ($000) $22,628 Avg Close $50.07 Range $42.66 - $56.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	80,741	$40	$1.19	$0.45 - $2.41
Q3 2025	81,402	$191	$2.60	$1.90 - $3.32
Q2 2025	81,392	$254	$3.28	$2.33 - $4.41
Q2 2024	23,226	$54	$3.07	$2.27 - $4.38
Q1 2024	145,050	$548	$5.24	$3.17 - $8.41
Q4 2023	150,872	$1,263	$6.56	$5.38 - $8.66
Q3 2023	164,594	$1,345	$12.43	$7.28 - $18.26
Q2 2023	365,711	$4,634	$15.81	$11.55 - $22.20
Q1 2023	366,208	$7,635	$23.79	$18.35 - $29.70
Q4 2022	363,912	$8,264	$21.14	$16.83 - $27.03
Q3 2022	367,472	$6,732	$29.54	$16.88 - $41.53
Q2 2022	394,047	$15,155	$42.39	$33.48 - $50.48
Q1 2022	429,969	$20,605	$48.83	$40.20 - $55.53
Q4 2021	431,322	$22,628	$50.07	$42.66 - $56.98