Roger Greene - 25 Sep 2025 Form 4 Insider Report for Trinseo PLC (TSE)

Signature
/s/ Angelo Chaclas, Attorney-in-Fact
Issuer symbol
TSE
Transactions as of
25 Sep 2025
Transactions value $
$-4,156
Form type
4
Filing time
29 Sep 2025, 08:29:25 UTC
Previous filing
03 Mar 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Greene Roger VP, GLOBAL CONTROLLER & PAO C/O TRINSEO PLC, 440 EAST SWEDESFORD ROAD, SUITE 301, WAYNE /s/ Angelo Chaclas, Attorney-in-Fact 29 Sep 2025 0001994764

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TSE Ordinary Shares Tax liability $-4,156 -1,617 -3.14% $2.57 49,856 25 Sep 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares withheld by the Company to pay taxes due following the vesting of restricted stock units.