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

Role
VP, GLOBAL CONTROLLER & PAO
Signature
/s/ Angelo Chaclas, Attorney-in-Fact
Stock symbol
TSE
Transactions as of
Sep 25, 2025
Transactions value $
-$4,156
Form type
4
Date filed
9/29/2025, 08:29 AM
Previous filing
Mar 3, 2025
SEC
View on sec.gov

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 2025-09-29 0001994764

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TSE Ordinary Shares Tax liability -$4.16K -1.62K -3.14% $2.57 49.9K Sep 25, 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.