COONEY PAULA M.

PrivateCIK: 1670565
Location

ST. PAUL, MN

COONEY PAULA M. (SVP & CHRO) reported 2 transactions at TRINSEO PLC

Review the transaction codes below to understand the nature of each event.

InsiderCOONEY PAULA M.CIK 1670565
IssuerTRINSEO PLCCIK 1519061
Officer· SVP & CHRO
Since Nov 2021
-10.12K
Net shares
Net seller
$3.3K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
10.12K disposed
Non-Derivative Transactions2

Ordinary Shares

Direct
F · Tax Withholding

Shares

7.44K

Price / share

$0.33

Trade value

$2.44K

% of position

5.5%
2/21/2026
136.11K128.67K

Ordinary Shares

Direct
F · Tax Withholding

Shares

2.68K

Price / share

$0.33

Trade value

$879.28

% of position

2.1%
2/22/2026
128.67K125.99K
Total

Net shares

10.12K

Net value

-$3.32K

Derivative Transactions0
No derivative transactions reported
COONEY PAULA M. — Insider Transaction (Form 4) Filed Feb 24, 2026 | Finecho