Han Hendriks - 03 Oct 2025 Form 4 Insider Report for Trinseo PLC (TSE)

Role
SVP, CHIEF TECHNOLOGY OFFICER
Signature
/s/ Angelo Chaclas, Attorney-in-Fact
Issuer symbol
TSE
Transactions as of
03 Oct 2025
Transactions value $
-$4,816
Form type
4
Filing time
07 Oct 2025, 16:34:14 UTC
Previous filing
03 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hendriks Han SVP, CHIEF TECHNOLOGY OFFICER C/O TRINSEO PLC, 440 EAST SWEDESFORD ROAD, SUITE 301, WAYNE /s/ Angelo Chaclas, Attorney-in-Fact 07 Oct 2025 0001946359

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TSE Ordinary Shares Tax liability -$4,816 -2,067 -2.3% $2.33 89,691 03 Oct 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.