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TRINSEO PLC (TSEOQ)

Institutional ownership, SEC filings and insider activity

Sector: Raw materials · SEC CIK 0001519061 · EDGAR filings · Updated 2026-07-17

TRINSEO PLC (TSEOQ) has reported institutional ownership of 0.3%, with 14 institutional managers holding positions valued at $11.0K per the latest 13F reporting period.

Latest updates

• 2026-07-17 — Current report (8-K) filed
• 2026-06-12 — Amended current report (8-K/A) filed
• 2026-06-01 — Current report (8-K) filed
• 2026-05-26 — Current report (8-K) filed
• 2026-05-22 — SD filed
• 2026-05-15 — SCHEDULE 13G/A filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, TRINSEO PLC has 14 institutional holders and institutional ownership of 0.3%.

Insider activity

Insiders reported 53 transactions (3 buys, 0 sells) across 21 reporting insiders, with a net reported value of $240.0K.

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