Jeffrey J. Cote - Jun 25, 2025 Form 4 Insider Report for Trinseo PLC (TSE)

Role
Director
Signature
/s/ Angelo Chaclas, Attorney-in-Fact
Stock symbol
TSE
Transactions as of
Jun 25, 2025
Transactions value $
$0
Form type
4
Date filed
6/27/2025, 04:15 PM
Previous 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 Award $0 +42.5K +92.96% $0.00 88.2K Jun 25, 2025 Direct F1
holding TSE Ordinary Shares 171K Jun 25, 2025 By Cote 2019 Irrevocable Indenture Trust F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents ordinary shares issuable pursuant to a restricted stock unit award that will vest in full on the first anniversary of the grant date.
F2 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").