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Trinseo PLC Stock: price and insider trades · United States
No insider purchase over the last 90 days. The latest, by FARRELL MATTHEW, was filed 14 Aug 2025.
Trinseo PLC: what insiders have been doing
Every trade that managers of Trinseo PLC disclose to SEC (Form 4) is tracked on this page. The company sits in the Chemicals & Materials sector. From 23 October 2025 to 23 October 2026, the disclosure feed for Trinseo PLC logged 36 filings by 18 insiders.
Not one of the filings records a straightforward purchase or sale on the market. Grants and option exercises follow pay plans set in advance, so they reveal less about an insider's own view than a purchase made with personal money.
Compared with its exchange (279 companies, median 8 filings), a count of 36 filings is above the norm. Over the whole record (from 2016), the tally stands at 36 purchases and 151 sales. The 10-K for the year ended 31 December 2025 shows 2.97 bn USD of revenue and -545.6 m USD of net income and a dividend of 0.02 USD per share.
No insider has bought Trinseo PLC shares on the open market in the past twelve months. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 3 days. US insiders must file a Form 4 within two business days of a trade.
For comparison within the same sector, see the insider buying recorded at Heidelberg Materials AG and Titan. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Insider Decl.
718
Thresholds
n/a
Buy Volume
€11M
36 ops. · all time
Sell Volume
€9B
151 ops. · all time
Who traded when
BuySaleJohanna Frisch3 buys
Matthew Farrell3 buys
Since the insiders bought
- -99.9%Entry US$2.51 · Close at T+365 US$0.00
- -97.5%Entry US$4.45 · Close at T+365 US$0.11
- -34.6%Entry US$3.38 · Close at T+365 US$2.21
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Financial data
as of FY 2025FY ended December 2025 · cache
US$0.01
Analyst consensus
1 analystsUS$1.00Target US$1.00(+7592%)US$1.00
Income statement
RevenueUS$3B
Gross profitUS$165.9M6% margin
EBITDAUS$62.4M2% margin
Net income-US$545.6M-20.0% margin
Valuation
PER (forward)-0.0x
Beta2.44
Balance sheet & cash
Total debtUS$2.6B
Free Cash Flow-US$153.4M
Profitability & ownership
ROA-1.7%
% insiders6.4%
% institutions2.0%
Last declaration on 14 May 2026
Declarations718 total
42,484 sharesOrdinary SharesSEC:0001196701-26-000001:0
42,484 sharesOrdinary SharesSEC:0001220571-26-000002:0
42,484 sharesOrdinary SharesSEC:0001867705-26-000001:0
42,484 sharesOrdinary SharesSEC:0001713192-26-000003:0
42,484 sharesOrdinary SharesSEC:0001047461-26-000001:0
42,484 sharesOrdinary SharesSEC:0001196053-26-000001:0
42,484 sharesOrdinary SharesSEC:0001207044-26-000001:0
42,484 sharesOrdinary SharesSEC:0001532447-26-000001:0
1,385 shares@ US$0.231.4% of flowOrdinary SharesSEC:0001811002-26-000002:0
7,607 shares@ US$0.230.3% of flowOrdinary SharesSEC:0001629821-26-000002:0
10,366 shares@ US$0.230.7% of flowOrdinary SharesSEC:0001441657-26-000002:0
6,064 shares@ US$0.2310.0% of flowOrdinary SharesSEC:0001949985-26-000002:0
7,707 shares@ US$0.232.2% of flowOrdinary SharesSEC:0001946359-26-000002:0
7,670 shares@ US$0.232.1% of flowOrdinary SharesSEC:0001670565-26-000002:0
4,028 shares@ US$0.231.2% of flowOrdinary SharesSEC:0001661138-26-000002:0
23,680 shares@ US$0.230.2% of flowOrdinary SharesSEC:0001660737-26-000002:0
2,548 shares@ US$0.233.1% of flowOrdinary SharesSEC:0002011504-26-000002:0
2,517 shares@ US$0.232.0% of flowOrdinary SharesSEC:0001994764-26-000002:0
547 shares@ US$0.3276Ordinary SharesSEC:0002011504-26-000001:1
2,684 shares@ US$0.3276Ordinary SharesSEC:0001670565-26-000001:1
1,335 shares@ US$0.3276Ordinary SharesSEC:0001949985-26-000001:1
333 shares@ US$0.3276Ordinary SharesSEC:0001811002-26-000001:1
2,291 shares@ US$0.3276Ordinary SharesSEC:0001946359-26-000001:1
7,098 shares@ US$0.3276Ordinary SharesSEC:0001629821-26-000001:1
1,206 shares@ US$0.3276Ordinary SharesSEC:0001661138-26-000001:1
25 of 718 declarations
About Trinseo PLC
Trinseo PLC is a global specialty materials company listed in the United States on the NYSE under the ticker TSE, and its operating base is in Wayne, Pennsylvania, United States. For French-speaking investors looking at the name through an international equity lens, Trinseo sits in the specialty chemicals and advanced materials universe rather than in commodity chemicals alone. The company emphasizes technical materials, customer collaboration, and sustainability-oriented product development across North America, Europe, and Asia Pacific. ([investor.trinseo.com](https://investor.trinseo.com/home/news/news-details/2026/Trinseo-Reports-First-Quarter-2026-Financial-Results/default.aspx?utm_source=openai))
The business was built through industrial transformation and portfolio expansion, combining legacy materials capabilities with acquisitions and asset integration over time. Today, Trinseo’s core reporting structure includes Engineered Materials, Latex Binders, Polymer Solutions, and Americas Styrenics. These platforms cover a broad set of products: rigid thermoplastic compounds and blends, PMMA resins and acrylic sheet, latex binders used in paper, textile, and related applications, and styrenics such as polystyrene, ABS, and SAN. In practical terms, Trinseo supplies materials that are designed into customer end products rather than sold as stand-alone consumer brands. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1519061/000155837025001736/tse-20241231x10k.htm?utm_source=openai))
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From a competitive standpoint, the company differentiates itself through formulation expertise, application engineering, and co-development with customers in sectors such as building and construction, consumer goods, medical, and mobility. That makes the model more specialized than a standard bulk-chemicals business, but it also means earnings are sensitive to industrial cycles, raw material pricing, and regional demand patterns. Management commentary in 2025 highlighted ongoing pricing pressure, softer volumes, and restructuring actions intended to protect profitability and improve the cost base. ([trinseo.com](https://www.trinseo.com/About-Trinseo?utm_source=openai))
Recent developments are important for investors. Trinseo reported full-year 2025 results showing lower sales, a wide net loss, and substantial restructuring charges linked in part to plant closures in Italy and Germany. The first quarter of 2026 showed further pressure on sales, but the company also disclosed that it amended its revolving credit facility in April to add $50 million of incremental commitments, which points to active liquidity management. Another key market event was the delisting of Trinseo’s ordinary shares from the NYSE on March 2, 2026, a meaningful change for trading liquidity and market perception. ([investor.trinseo.com](https://investor.trinseo.com/home/news/news-details/2026/Trinseo-Reports-Fourth-Quarter-and-Full-Year-2025-Financial-Results/default.aspx?utm_source=openai))
Overall, Trinseo remains a specialized industrial materials producer with international reach, technical capabilities, and meaningful exposure to restructuring and balance-sheet considerations. For investors, it is best viewed as a cyclical specialty materials story with operational complexity, rather than a straightforward commodity chemicals name.
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