Welcome to our dedicated page for MKS SEC filings (Ticker: MKSI), 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 MKS Inc. (NASDAQ: MKSI) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. MKS Inc., incorporated in Massachusetts, describes itself as a global provider of enabling technologies for leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. Its filings offer detailed information on financial performance, risk factors, capital structure and other matters relevant to investors and analysts.
Through this page, users can review current and historical filings such as annual reports on Form 10-K and quarterly reports on Form 10-Q, which describe net revenues by end market, including Semiconductor, Electronics & Packaging, and Specialty Industrial, and by category as products and services. Current reports on Form 8-K, including those announcing quarterly financial results, provide updates on results of operations and financial condition and may reference attached earnings press releases.
AI-powered summaries on Stock Titan help explain the key points from lengthy MKS Inc. filings, highlighting important disclosures without requiring readers to parse every section. Real-time updates from the EDGAR system ensure that new MKSI filings, such as 8-Ks reporting material events, are added as they become available.
Users can also use this page to locate information on topics typically covered in SEC documents, such as debt levels, non-GAAP financial measures reconciliations, risk factors related to markets and operations, and details referenced in the company’s ESG and strategic discussions. By combining direct access to official filings with AI-generated insights, the MKS Inc. filings page supports a more efficient review of the regulatory record behind the MKSI stock.
MKS Inc executive Kathleen Flaherty Burke, EVP, GC & Secretary, reported an open-market sale of 4,254 shares of Common Stock at $250.00 per share on February 20, 2026. After this sale, she directly owns 53,794.485 shares of MKS Inc common stock.
MKS Inc. President & CEO Lee John Tseng-Chung reported selling a total of 30,000 shares of common stock in open-market transactions. The sales occurred on February 20, 2026 at weighted average prices around $256–$260 per share across multiple trade executions.
Individual reported trades covered 13,310 shares at $256.0538, 12,812 shares at $256.9313, 1,988 shares at $257.8084, and 1,890 shares at $259.7032. After these transactions, he directly owns about 154,696.1077 shares of MKS Inc. common stock.
MKS Incorporated submitted a Form 144 notice reporting proposed sales of common stock. The excerpt lists multiple stock-grant line items with specific share counts and dates, including entries of 10,979, 4,269, and 4,748.
MKSI affiliate proposes to sell 1,250 common shares through Fidelity Brokerage Services LLC, with the filing dated 02/20/2026. The notice lists 1,147 shares from restricted stock vesting on 05/09/2022 and 103 shares from an open-market purchase on 08/01/2022.
MKSI Form 144 notice lists a proposed sale of common shares associated with Fidelity Brokerage Services LLC. The filing entry shows the broker/holder line with values 1453, 359623.31, 67169474 and the date 02/20/2026. The schedule also lists four lots tied to restricted‑stock vesting and ESPP purchases: 556 (04/15/2021), 659 (04/17/2021), 152 (05/30/2025) and 86 (11/28/2025).