Welcome to our dedicated page for Trinseo Plc SEC filings (Ticker: TSE), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings of Trinseo PLC (NYSE: TSE) provide detailed insight into the company’s operations as a specialty material solutions provider in plastics and latex binders, as well as its financial condition, capital structure and governance. Through periodic and current reports, investors can review how Trinseo presents the performance of its Engineered Materials, Latex Binders and Polymer Solutions segments and its equity method investment in Americas Styrenics.
On this page, you can access Trinseo’s Form 8-K current reports, which disclose material events such as quarterly financial results, restructuring plans, changes to dividend policy and notices from the New York Stock Exchange regarding continued listing standards. For example, Trinseo has filed 8-Ks describing the MMA Restructuring Plan in Italy, the PS Restructuring Plan in Germany, the indefinite suspension of its quarterly dividend, and NYSE notices related to minimum market capitalization and minimum share price criteria.
Trinseo’s filings also discuss non-GAAP financial measures such as EBITDA, Adjusted EBITDA, Adjusted Net Income (Loss), Adjusted EPS and Free Cash Flow, along with reconciliations to GAAP figures in the notes to its condensed consolidated financial information. These disclosures help readers understand how management evaluates business trends, pricing strategies and liquidity beyond standard GAAP metrics.
In addition, SEC documents cover governance and compensation matters, including Annual General Meeting voting results, amendments to the Omnibus Incentive Plan, and retention or incentive arrangements for named executive officers. Risk factor updates, such as those related to potential NYSE delisting if listing standards are not met, are also included in Trinseo’s filings.
Stock Titan’s platform presents these filings with AI-powered summaries that explain key points in accessible language, highlight segment and liquidity information from quarterly and annual reports, and surface important items such as restructuring charges or listing-status disclosures. Investors can use this page to follow Trinseo’s 10-K and 10-Q reports when available, as well as Form 4 insider transaction reports and other SEC documents, with real-time updates from EDGAR.
Trinseo PLC senior vice president Yang Arthas Bing reported routine share dispositions related to taxes on equity awards. On two dates in February 2026, a total of 2,445 ordinary shares were withheld by the company at a price of $0.3276 per share to cover tax liabilities when previously granted restricted stock units vested. These tax-withholding transactions were not open-market sales. After these entries, Bing directly owned 52,005 ordinary shares.
Trinseo PLC senior vice president of corporate finance and investor relations Bregje van Kessel reported two tax-related share dispositions connected to restricted stock unit vesting. On February 21, 5,963 ordinary shares at $0.3276 per share were withheld to cover taxes, followed by 1,335 shares at the same price on February 22. These were company-withheld shares for tax liabilities, not open-market sales, and she continued to hold over 100,000 ordinary shares after each transaction.
Trinseo PLC senior vice president Rainer Schewe reported routine tax-related share dispositions. On February 21 and 22, he had 3,907 and 1,206 Ordinary Shares, respectively, withheld by the company at $0.3276 per share to cover taxes due on vesting restricted stock units. These transactions were coded as tax-withholding dispositions rather than open-market sales. After the most recent transaction, Schewe directly owned 107,443 Ordinary Shares.
Trinseo PLC senior vice president and chief human resources officer Paula M. Cooney reported two tax-related share dispositions tied to vesting restricted stock units. On February 21, 2026, 7,440 ordinary shares were withheld at $0.3276 per share to satisfy tax obligations. On February 22, 2026, a further 2,684 shares were similarly withheld at $0.3276 per share. After these transactions, Cooney directly owned 125,988 ordinary shares.
Trinseo PLC executive Roger Greene reported a routine tax-related share disposition. On February 21, 2026, 2,238 ordinary shares were withheld by the company at a price of $0.3276 per share to cover taxes due upon vesting of restricted stock units.
After this tax-withholding disposition, Greene directly owned 47,618 Trinseo ordinary shares. This was not an open-market buy or sell transaction but an administrative step tied to equity compensation.
Trinseo PLC EVP and CFO David Phillip Stasse reported routine tax-related share withholdings, not open-market trades. On February 22, 2026, the company withheld 9,671 Ordinary Shares at $0.3276 per share to cover taxes, leaving him with 265,154 shares. On February 21, 2026, a similar tax-withholding disposition of 5,028 shares at $0.3276 per share left him with 274,825 shares. A footnote clarifies these shares were withheld by the company to pay taxes following the vesting of previously granted restricted stock units.
Trinseo PLC CEO and president Frank A. Bozich reported a tax-related share disposition tied to equity compensation. On this Form 4, the company withheld 32,602 Ordinary Shares at $0.3276 per share to cover taxes due upon vesting of restricted stock units. After this withholding, Bozich’s directly held stake is shown as 688,369 Ordinary Shares, and the filing characterizes the event as a tax-withholding disposition rather than an open-market trade.
Trinseo PLC senior vice president and chief legal officer Angelo N. Chaclas reported two share dispositions that were automatic tax withholdings rather than open-market sales. On February 21, 2026, 3,690 Ordinary Shares were withheld at $0.3276 per share, and on February 22, 2026, a further 7,098 Ordinary Shares were withheld at the same price. According to the disclosure, these shares were withheld by the company to pay taxes due upon the vesting of restricted stock units, and Chaclas held 282,405 Ordinary Shares directly following the February 22 transaction.
Trinseo PLC received an amended ownership report from CastleKnight and related entities. The Schedule 13G/A (Amendment No. 2) shows that CastleKnight Master Fund LP, its affiliated general partners and managers, Weitman Capital LLC, and Aaron Weitman collectively report beneficial ownership of 516,826 ordinary shares, or 1.4% of Trinseo’s ordinary shares.
All reporting persons list zero sole voting and dispositive power and instead report shared voting and shared dispositive power over the same 516,826 shares. They also certify that the securities were not acquired and are not held for the purpose or effect of changing or influencing control of Trinseo, but instead are being reported on a passive basis.
Trinseo PLC amended its Credit Agreement through subsidiaries on February 16, 2026 to extend, until March 19, 2026, the grace period for interest payments due between February 1 and March 1, 2026. This extension is designed to match the grace period available under its second‑lien notes.
Separately, a Trinseo subsidiary elected to use a 30‑day contractual grace period on an approximately $10.0 million interest payment due February 17, 2026 on its 7.625% second lien secured notes due 2029. The company states it has sufficient cash to pay but chose to delay while it continues ongoing discussions with financial stakeholders regarding its capital structure, retaining the right to pay within the grace period before any event of default is triggered.