Trinseo PLC
SEC Filing List

TSE         CIK: 0001519061

Form Description Owner/Filer Filing Agent Date Actions
8-KCurrent report filingTrinseo Plc Toppan Merrill/FA08/14/2026
ARSAnnual report to security holdersTrinseo Plc Toppan Merrill/FA08/07/2026
DEFA14ADefinitive additional proxy soliciting m...Trinseo Plc Toppan Merrill/FA08/07/2026
DEF 14ADefinitive proxy statementsTrinseo Plc Toppan Merrill/FA08/07/2026
8-KCurrent report filingTrinseo Plc Toppan Merrill/FA08/06/2026
10-QQuarterly report pursuant to Section 13 ...Trinseo Plc Toppan Merrill/FA08/06/2026
8-KCurrent report filingTrinseo Plc Toppan Merrill/FA07/17/2026
8-K/AAmendment to Current report filingTrinseo Plc Toppan Merrill/FA06/12/2026
8-KCurrent report filingTrinseo Plc Toppan Merrill/FA06/01/2026
8-KCurrent report filingTrinseo Plc Toppan Merrill/FA05/26/2026
No record found.
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