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Trinseo PLC Director's Dealing 2025

Jun 27, 2025

34278_dirs_2025-06-27_661896fb-2476-4106-a379-9a37cb5b31c1.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Trinseo PLC (TSE)
CIK: 0001519061
Period of Report: 2025-06-25

Reporting Person: Desmond Jeanmarie F. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-25	Ordinary Shares	A	42484	—	Acquired	89036	Direct

Footnotes

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.