David Phillip Stasse - 27 Feb 2026 Form 4 Insider Report for Trinseo PLC (TSE)

Role
EVP AND CFO
Signature
/s/ Angelo Chaclas, Attorney-in-Fact
Issuer symbol
TSE
Transactions as of
27 Feb 2026
Net transactions value
-$2,384
Form type
4
Filing time
03 Mar 2026, 14:21:16 UTC
Previous filing
24 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Stasse David Phillip EVP AND CFO C/O TRINSEO PLC, 440 EAST SWEDESFORD ROAD, SUITE 301, WAYNE /s/ Angelo Chaclas, Attorney-in-Fact 03 Mar 2026 0001441657

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TSE Ordinary Shares Tax liability $2,384 -10,366 -3.9% $0.2300 254,788 27 Feb 2026 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 previously granted restricted stock units.