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 President & CEO John Tseng-Chung Lee reported equity compensation activity and related tax withholding. He received a grant of 15,592.911 restricted stock units, each representing the right to one MKS Inc common share. Several previously granted RSUs, including performance-based awards, were exercised and converted into common stock as they vested. To satisfy tax withholding obligations from these vestings, 32,548.307 common shares were delivered back to MKS Inc at $260.74 per share, which the company notes was not a discretionary trade.
MKS Inc. reported solid fourth quarter and full-year 2025 results. Q4 net revenues were $1,033 million, with GAAP net income of $108 million or $1.58 per diluted share and Non-GAAP net earnings of $168 million or $2.47 per diluted share. Adjusted EBITDA for the quarter was $249 million.
For full-year 2025, revenue reached $3,931 million, up from $3,586 million, while GAAP net income rose to $295 million and Non-GAAP net earnings to $533 million, or $7.88 per diluted share. Semiconductor and Electronics & Packaging net revenues both grew strongly, while Specialty Industrial was roughly stable year over year.
The company ended 2025 with $675 million in cash and cash equivalents and long-term debt, net, of $4,150 million. In early 2026, MKS issued €1.0 billion of 4.25% senior notes due 2034, used together with term loan refinancings and cash to prepay about $1.3 billion of its USD term loan B and refinance its EUR term loan B, and upsized its revolving credit facility from $675 million to $1 billion.
For the first quarter of 2026, MKS guides revenue of $1,040 million plus or minus $40 million, gross margin of 46.0% plus or minus 1.0%, Non-GAAP net earnings of $136 million plus or minus $19 million, and Non-GAAP diluted EPS of $2.00 plus or minus $0.28.
T. Rowe Price Associates, Inc. filed an amended Schedule 13G reporting its beneficial ownership of MKS Inc common stock as of 12/31/2025. The firm reports beneficial ownership of 2,753,871 shares, representing 4.1% of the outstanding common stock.
T. Rowe Price Associates has sole voting power over 2,736,929 shares and sole dispositive power over 2,753,850 shares, with no shared voting or dispositive power. The filer notes it owns 5 percent or less of the class and certifies the shares were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of MKS Inc, while expressly denying beneficial ownership beyond what is reported.
Invesco Ltd. has reported beneficial ownership of 4,394,205 shares of MKS Inc common stock, representing 6.5% of the class as of 12/31/2025. These shares are held of record by clients of Invesco’s investment adviser subsidiaries.
Invesco has sole voting power over 4,301,757 shares and sole dispositive power over 4,394,205 shares, with no shared voting or dispositive power. It files as a Bermuda-based parent holding company and states the position is held in the ordinary course, not to change or influence control of MKS Inc.
MKS Inc. executive Eric Robert Taranto received 3,504.314 performance-based restricted stock units (RSUs) on February 8, 2026. Each RSU represents the right to receive one share of MKS common stock. After this award, he beneficially owns 12,742.601 derivative securities in the form of RSUs.
The RSUs were tied to performance criteria that were determined to be achieved on February 8, 2026. They will vest in three equal annual installments starting on February 15, 2026, or the next business day if that date is not a business day.
MKS Inc. executive Henry David Philip received a new performance-based equity award. On February 8, 2026, he was granted 5,521.949 restricted stock units (RSUs) at no cash cost, each representing one share of MKS Inc. common stock.
The achievement of performance criteria for these RSUs was determined on February 8, 2026. The units will vest in three equal annual installments starting on February 15, 2026, with vesting moving to the next business day if February 15 is not a business day. After this grant, Philip beneficially owned 18,808.107 derivative securities in the form of RSUs, held directly.
MKS Inc. executive vice president and chief operating officer James Alan Schreiner reported a grant of performance-based restricted stock units. On February 8, 2026, he was awarded 5,226.759 RSUs, each representing the right to receive one share of MKS Inc. common stock.
These RSUs vest in three equal annual installments beginning on February 15, 2026, with vesting moving to the next business day if that date is not a business day. Following this grant, Schreiner beneficially owns 18,244.899 derivative securities in the form of RSUs held directly.
MKS Inc. executive John Edward Williams, EVP & GM, PSD, received an award of 2,973.357 performance-based restricted stock units (RSUs) on February 8, 2026. Each RSU represents the right to receive one share of MKS common stock.
The performance-based RSUs vest in three equal annual installments beginning on February 15, 2026, with vesting in later years occurring on February 15 or the next business day. After this grant, Williams beneficially owns 10,317.107 derivative securities related to MKS common stock.
MKS Inc. executive Kathleen Flaherty Burke, EVP, GC & Secretary, reported an equity award on a Form 4. On February 8, 2026, she was granted 7,008.628 restricted stock units (RSUs), each representing one share of MKS common stock. These performance-based RSUs vest in three equal annual installments beginning on February 15, 2026, with vesting on the next business day if that date is not a business day. After this grant, she directly holds 24,007.365 derivative securities in the form of RSUs.
MKS Inc. EVP & CFO Mayampurath Ramakumar received 8,877.596 restricted stock units (RSUs)
The RSUs were tied to performance criteria that were determined to be achieved on February 8, 2026. They vest in three equal annual installments beginning on February 15, 2026, with vesting moving to the next business day if February 15 is not a business day. Following this award, Ramakumar beneficially owns 25,279.99 derivative securities directly.