Short answer
Trinseo PLC (TSEOF) filed an 8-K current report with the SEC on September 23, 2026 reporting Item 5.07 (Submission of Matters to a Vote of Security Holders), Item 8.01 (Other Events). 2026 annual meeting adjourned from September 23 to September 30, 2026 after failure to achieve quorum.
Trinseo PLC 8-K event analysis
AI summary of each reported item and its exhibits
Item 5.07 · Submission of Matters to a Vote of Security Holders
- 2026 annual meeting adjourned from September 23 to September 30, 2026 after failure to achieve quorum
- Shareholders must act to establish quorum and vote on unchanged proposals
- Voting eligibility limited to shareholders of record as of July 30, 2026
- Adjourned meeting location: Wayne, Pennsylvania, with Ireland audio and video access
Item 8.01 · Other Events
- Extraordinary General Meeting adjourned from September 23 to September 30, 2026 due to insufficient quorum
- Adjourned meeting location: Wayne, Pennsylvania, with Ireland video link at 1:45 p.m. IST
- Eligibility limited to shareholders of record as of August 12, 2026
- No resolutions, substantive matters, or shareholder votes scheduled; limited immediate governance impact
Generated from the filing text and exhibits; verify against the original. What 8-K item codes mean
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