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$TSEOQ
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$TSEOQ SEC Filings

Filed On Filing
27 Oct 2026 8-K: Other Events

Date of Report (Date of earliest event reported): October 27, 2026

30 Sep 2026 8-K: Submission of Matters to a Vote of Security Holders; Other Events

On September 30, 2026, Trinseo PLC (the “Company”) held its 2026 Annual General Meeting of Shareholders. The Annual General Meeting was adjourned to this date because a quorum was not present on September 23, 2026, the date originally es...

23 Sep 2026 8-K: Submission of Matters to a Vote of Security Holders; Other Events

On September 23, 2026, Trinseo PLC (the “Company”) convened its 2026 annual general meeting (the “Annual Meeting”). The Chair of the Annual Meeting adjourned the Annual Meeting to September 30, 2026 at 8:30 a.m. EST (the “Adjourned Annua...

14 Aug 2026 8-K: Other Events
07 Aug 2026 ARS
07 Aug 2026 DEFA14A
07 Aug 2026 Proxy statement: annual meeting on September 23, 2026

CEO pay $5.4M, down 1.2% · say-on-pay vote

06 Aug 2026 10-Q
06 Aug 2026 8-K: Results of Operations and Financial Condition
17 Jul 2026 8-K: Other Events
12 Jun 2026 8-K/A: Financial Statements and Exhibits

as the Lead Borrower and as Debtor and Debtor-in-Possession,

01 Jun 2026 8-K: Entry into a Material Definitive Agreement; Creation of a Direct Financial Obligation
26 May 2026 8-K: Bankruptcy or Receivership; Triggering Events That Accelerate a Financial Obligation +1 more
22 May 2026 SD
15 May 2026 SCHEDULE 13G/A
15 May 2026 8-K: Entry into a Material Definitive Agreement; Regulation FD Disclosure
14 May 2026 Form 4: Lin Sandra Beach, Director

Disposed of 42,484 shares (Other Transaction)

14 May 2026 Form 4: Desmond Jeanmarie F., Director

Disposed of 42,484 shares (Other Transaction)

14 May 2026 Form 4: Cote Jeffrey J, Director

Disposed of 42,484 shares (Other Transaction)

14 May 2026 Form 4: Alvarado Joseph, Director

Disposed of 42,484 shares (Other Transaction)

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