Jill Kathleen Frizzley - 16 Jan 2026 Form 3 Insider Report for Trinseo PLC (TSE)

Role
Director
Signature
/s/ Angelo Chaclas, Attorney-in-Fact
Issuer symbol
TSE
Transactions as of
16 Jan 2026
Net transactions value
$0
Form type
3
Filing time
20 Jan 2026, 15:20:31 UTC
Previous filing
28 Apr 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Frizzley Jill Kathleen Director C/O TRINSEO PLC, 440 EAST SWEDESFORD ROAD, SUITE 301, WAYNE /s/ Angelo Chaclas, Attorney-in-Fact 20 Jan 2026 0001798190

No securities are beneficially owned.