Welcome to our dedicated page for Ecovyst SEC filings (Ticker: ECVT), 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.
Ecovyst Inc. filings document formal disclosures for a Delaware public company listed on the New York Stock Exchange under the symbol ECVT. Recent 8-K reports furnish quarterly and annual operating results, financial condition updates, material events and capital-structure information, including debt reduction, share repurchase activity and discontinued-operations treatment for the divested Advanced Materials & Catalysts business.
The company’s proxy materials cover annual meeting matters, director elections, executive compensation and shareholder voting procedures. Other current reports address governance and compensation arrangements, material agreements and related exhibits, providing a regulatory record of Ecovyst’s continuing Ecoservices operations in sulfuric acid products, regeneration services and ex-situ catalyst activation.
A shareholder of ECVT filed a notice to sell up to 29,886 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on or after July 17, 2026 on the NYSE, with an aggregate market value of $385,508.48.
The shares relate to three grants of restricted stock dated June 15, 2021 (9,533 shares), January 16, 2023 (2,033 shares), and January 5, 2024 (18,320 shares).
Dimensional Fund Advisors LP filed an amended Schedule 13G reporting beneficial ownership of 6,585,047 shares of Ecovyst Inc common stock, representing 6.0% of the class as of 06/30/2026. Dimensional reports sole voting power over 6,484,301 shares and sole dispositive power over 6,585,047 shares.
The shares are held across investment companies, commingled funds, group trusts and separate accounts it advises (the “Funds”). Dimensional may be deemed to be the beneficial owner because it has voting and/or investment power, but it states that all securities are owned by the Funds and disclaims beneficial ownership, noting that to its knowledge no single Fund owns more than 5% of the class.
Ecovyst Inc. completed the previously announced acquisition of the entire issued share capital of INEOS Calabrian Holdings Corp. and INEOS Calabrian Corporation Canada, Inc. for a purchase price of $190 million, subject to customary cash and working capital adjustments.
To help fund the deal, wholly owned subsidiaries entered into a Fourth Amendment to their existing Term Loan Credit Agreement, adding a $100.0 million first lien Incremental Term Loan. This new borrowing is fungible with the existing term loans, shares the same collateral, maturity and amortization schedule, and bears interest at either Term SOFR plus 2.00% per annum or ABR plus 1.00% per annum at the Borrowers’ option. Proceeds were used to finance the acquisition, pay related fees and expenses, and for general corporate purposes.
Ecovyst Inc. director Sarah Lorance reported an open-market sale of company stock. On June 2, 2026, she sold 8,450 shares of Ecovyst common stock at $13.33 per share. After this transaction, she continues to hold 54,700 shares of Ecovyst common stock directly.
Humble Patti A. reported acquisition or exercise transactions in this Form 4 filing.
Ecovyst Inc. director Patti A. Humble received a grant of 9,099 shares of common stock, recorded at a price of $13.61 per share. This is a compensation-related award, not an open-market purchase. Following this grant, she directly holds 9,099 Ecovyst common shares.
Ecovyst Inc. director Patti A. Humble filed an initial Form 3, which is a statement of beneficial ownership for company insiders. This filing does not list any stock transactions or option exercises and serves mainly to officially register her insider status with the SEC.
Ecovyst Inc. held its 2026 Annual Meeting of Stockholders on May 20, 2026. There were 109,450,306 shares of common stock issued and outstanding on the record date and 100,214,085 shares were represented in person or by proxy.
Stockholders elected five Class I directors to one‑year terms. Each nominee received about 93.2–93.5 million votes for and roughly 0.5–0.7 million votes withheld, with 6,234,425 broker non‑votes reported for each director.
Stockholders also approved two additional proposals. One proposal received 93,076,499 votes for, 870,548 against and 32,613 abstentions, with 6,234,425 broker non‑votes. Another proposal received 100,146,577 votes for, 61,486 against and 6,022 abstentions.
Ecovyst Inc. Schedule 13G/A amendment reports that Hotchkis and Wiley Capital Management, LLC beneficially owns 5,413,862 shares of Ecovyst common stock, representing 4.90% of the class. The filing shows sole voting power over 4,720,982 shares and sole dispositive power over 5,413,862 shares. The filing is signed by Tina H. Kodama, Chief Compliance Officer.
Ecovyst Inc. reported a strong turnaround for the three months ended March 31, 2026, with continuing-operations sales rising to $215.0 million from $143.1 million and net income from continuing operations improving to $5.7 million from a loss of $8.1 million a year earlier.
Gross profit nearly doubled to $36.4 million as higher volumes of virgin and regenerated sulfuric acid, better contract pricing and pass-through of higher sulfur costs more than offset increased manufacturing expenses. Adjusted EBITDA from continuing operations increased to $39.8 million, helped by the Waggaman, Louisiana asset acquisition and strong refining and industrial demand.
The company repurchased 3.2 million shares for about $35.7 million, ending the quarter with $162.6 million in cash and no ABL borrowings against a $397.1 million term loan. Ecovyst also disclosed a signed agreement to acquire INEOS’s Calabrian sulfur derivatives business for $190 million, aiming to expand its sulfur-based product portfolio.