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.
Elizabeth Mora, a director of MKS Inc. (MKSI), reported a sale of 300 shares of common stock on 09/02/2025 at a price of $99.85 per share. The Form 4 shows the transaction was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 19, 2025. After the reported sale, the filing lists 19,263.394 shares beneficially owned by the reporting person. The Form 4 was signed by an attorney-in-fact on 09/03/2025. The filing identifies the reporter as a director and indicates this is a single-person Form 4 filing.
MKS Inc. officer or insider intends to sell 300 shares of common stock through Fidelity Brokerage Services on NASDAQ, with an approximate aggregate market value of $29,955 based on the filing. The securities were acquired on 05/06/2024 through restricted stock vesting and were issued as compensation. The filing lists an approximate sale date of 09/02/2025 and shows 67,159,003 shares outstanding for the issuer. The notice discloses a related sale by the same person of 300 shares on 06/02/2025 for $24,534. The filer affirms they are not aware of undisclosed material adverse information regarding the issuer.
James Alan Schreiner, EVP & COO of MKS Inc. (MKSI), reported transactions dated 08/18/2025 related to vested restricted stock units (RSUs) and a related share withholding sale to cover taxes. The filing shows 2,640.942 RSUs treated as acquired (vesting) and 1,249 shares disposed of in a withholding sale at $100.22 per share to satisfy tax obligations. The filing states each RSU converts to one common share. The reporting person’s post-transaction beneficial ownership is reported as 24,083.694 shares for non-derivative common stock and 13,018.14 derivative securities beneficially owned following the transactions. The report was signed by an attorney-in-fact on behalf of the reporting person.
John Edward Williams, EVP & GM, PSD of MKS Inc. (MKSI), reported restricted stock units (RSUs) vesting on 08/15/2025. A grant of 947.285 RSUs vested (each RSU converts to one share), which increased the reporting person’s beneficial ownership of common stock to 7,343.75 shares on a direct basis. The company withheld 308 shares to satisfy tax withholding obligations at a price shown of $104.73; the withholding was not a discretionary sale by the reporting person. The transactions were reported on Form 4 and executed under codes indicating vesting and tax-withholding treatment.
T. Rowe Price Associates, Inc. filed Amendment No. 4 to a Schedule 13G reporting ownership of 4,129,128 shares of MKS Inc. common stock (CUSIP 55306N104), which the filing states represents 6.2% of the class. The filer reports sole voting power over 4,106,485 shares and sole dispositive power over 4,129,128 shares.
The statement includes the filer’s certification that the securities were acquired and are held in the ordinary course of business and were not acquired to change or influence control of the issuer. The filing lists the issuer address as 2 Tech Drive, Suite 201, Andover, MA, and shows the date of the triggering event as 06/30/2025 with the signature dated 08/14/2025.
Filing type: Amendment (Schedule 13G/A) reporting beneficial ownership of MKS Inc (CUSIP 55306N104).
Key facts:
- Reporting person: Victory Capital Management, Inc. (Type: IA; citizenship: New York).
- Aggregate beneficially owned: 3,787,201 shares, representing 5.64% of MKS Inc common stock (event date: 06/30/2025).
- Sole voting power: 3,711,418 shares; shared voting power: 0.
- Sole dispositive power: 3,787,201 shares; shared dispositive power: 0.
- Issuer address: 2 Tech Dr, Andover, MA 01810-2434.
- Signature: Barry Garrett, Chief Compliance Officer (date: 08/08/2025); comment: Amendment to update Sole Voting Power.
Certifications: The filer attests the securities are held in the ordinary course of business and not to influence control of the issuer.
Victory Capital Management, Inc. filed a Schedule 13G indicating a passive ownership stake in MKS Inc. (MKSI). As of 30 Jun 2025 the investment adviser beneficially owned 3,787,201 common shares, representing 5.64 % of the outstanding class. The firm holds sole voting power over 3,787,201 shares (3,711,418 specifically listed for sole vote) and sole dispositive power over the full position, with no shared voting or dispositive authority.
Key points:
- Filing trigger: first time (or updated) crossing the 5 % threshold, requiring disclosure under Exchange Act Rule 13d-1(b).
- Reporting person classification: Investment Adviser (IA) headquartered in New York; business address in San Antonio, TX.
- Certification states the shares were acquired in the ordinary course and not for the purpose of influencing control.
- Signature by Chief Compliance Officer Barry Garrett on 08 Aug 2025.
Q2-25 highlights (MKSI 10-Q): Revenue climbed 9.7% YoY to $973 m as product sales grew 10% and service 7%. Net income surged to $62 m ($0.92 EPS) from $23 m, lifting 1H profit to $114 m. Gross margin slipped 60 bps to 46.6% on mix, but operating margin improved 40 bps to 13.9% on disciplined opex. End-market mix: Semiconductor +17%, Electronics & Packaging +16%, Specialty Industrial –5%.
Cash & balance sheet: Operating cash flow jumped 62% to $306 m, funding $47 m capex, $45 m buybacks and $30 m dividends. Cash ended at $674 m (-$40 m YTD). Debt fell $131 m to $4.36 b after two $100 m voluntary prepayments and January repricing; weighted-avg rate 5.9%. Interest expense dropped 30% to $55 m. Equity rose to $2.55 b, OCI loss narrowed to $84 m. Company remains covenant-compliant; no guidance provided.