Jeffrey J. Cote - Jun 21, 2025 Form 4/A - Amendment Insider Report for Trinseo PLC (TSE)

Role
Director
Signature
/s/ Angelo Chaclas, Attorney-in-Fact
Stock symbol
TSE
Transactions as of
Jun 21, 2025
Transactions value $
-$38,456
Form type
4/A - Amendment
Date filed
6/27/2025, 04:13 PM
Date Of Original Report
Jun 24, 2025
Previous filing
Aug 20, 2024
Next filing
Jun 27, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
COTE JEFFREY J Director C/O TRINSEO PLC, 440 EAST SWEDESFORD ROAD, SUITE 301, WAYNE /s/ Angelo Chaclas, Attorney-in-Fact 2025-06-27 0001196701

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TSE Ordinary Shares Tax liability -$38.5K -10.3K -18.41% $3.73 45.7K Jun 21, 2025 Direct F1
holding TSE Ordinary Shares 171K Jun 21, 2025 By Cote 2019 Irrevocable Indenture Trust F2, F3
* 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.
F2 This amendment is being filed solely to correct the number of shares indirectly held by the reporting person.
F3 Represents shares held by an irrevocable indenture trust having a disinterested trustee for the benefit of the reporting person and children (the "Cote 2019 Irrevocable Indenture Trust").