How many insider trades does FilingIQ track for TSE?

FilingIQ tracks 757 Form 4 insider transactions for TSE (Trinseo PLC), covering filings from Aug 14, 2014 onwards. 36 of those were filed in the last 90 days.

Are TSE insiders net buyers or net sellers?

Across the full Form 4 history for TSE, 41 transactions (5%) were open-market purchases and 142 (19%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does TSE insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is TSE in?

Trinseo PLC (TSE) is classified in the Basic Materials sector, specifically Specialty Chemicals, with a current market capitalisation of $9.72M.

TSE insider trading

NYSE Basic Materials

Trinseo PLC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

757

Last 90 days

Buys / sells

5% / 19%

Market cap

$9.72M

About Trinseo PLC

Trinseo PLC provides specialty material solutions in the United States, Europe, the Asia-Pacific, and internationally. It operates through four segments: Engineered Materials, Latex Binders, Polymer Solutions, and Americas Styrenics. The Engineered Materials segment offers rigid thermoplastic compounds and blends, soft thermoplastic, continuous cast, cell cast, activated methyl methacrylates, polymethyl methacrylates (PMMA) resins, and extruded PMMA sheets and resins for consumer electronics, medical, footwear, automotive, and building and construction applications under the EMERGE, CALIBRE, PLEXIGLAS, ALTUGLAS, ACRYSPA, AVONITE, STUDIO, MEGOL, APILON, APIGO, and APINAT trade names. The Latex Binders segment provides various latex binder products, including styrene-butadiene latex, styrene-acrylate latex, vinylidene chloride latex, all-acrylic latex, and butadiene-methacrylate latex. The Polymer Solutions Segment offers a range of polymers, such as copolymers, polycarbonate, styrene-acrylonitrile, and acrylonitrile-butadiene-styrene under the MAGNUM brand. The Americas Styrenics segment provides styrene monomer, polystyrene, general purpose polystyrenes, high heat and impact resins, and STYRON A-TECH polystyrene products for appliances, food packaging, food service disposables, consumer electronics, and building and construction materials applications. It operates as a land development and subdivision company. The company was incorporated in 2015 and is based in Wayne, Pennsylvania.

Company website: www.trinseo.com

TSE insider activity at a glance

FilingIQ has scored 757 insider transactions for TSE since Aug 14, 2014. The most recent filing in our index is dated May 12, 2026.

Across the full history, 41 open-market purchases and 142 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on TSE insider trades is 51.3/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live TSE trades on FilingIQ Raw filings on SEC EDGAR

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Frequently asked

How many insider trades does FilingIQ track for TSE?: FilingIQ tracks 757 Form 4 insider transactions for TSE (Trinseo PLC), covering filings from Aug 14, 2014 onwards. 36 of those were filed in the last 90 days.
Are TSE insiders net buyers or net sellers?: Across the full Form 4 history for TSE, 41 transactions (5%) were open-market purchases and 142 (19%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does TSE insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is TSE in?: Trinseo PLC (TSE) is classified in the Basic Materials sector, specifically Specialty Chemicals, with a current market capitalisation of $9.72M.

Methodology & sources

Every TSE insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.