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.
MKS Inc. SEC filings document operating results, capital-structure activity and governance matters for a Nasdaq-listed provider of technology solutions for semiconductor manufacturing, electronics and packaging, and specialty industrial applications. Form 8-K reports disclose results of operations and financial condition, financial guidance updates, material definitive agreements, debt refinancing activity, senior notes, credit facilities and registered common stock information.
The company’s proxy materials cover board and shareholder voting matters, executive compensation and related governance disclosures. Other current reports address officer transitions and compensation arrangements, providing formal records of management, governance and financing developments tied to MKS’s public-company structure.
MKS Inc. is soliciting proxies for its 2026 Annual Meeting of Shareholders to be held on May 11, 2026.
The meeting agenda includes the election of three directors, the approval of an Amended and Restated 2022 Stock Incentive Plan to increase the share reserve by 6,200,000 shares to a total of 12,400,274 shares, advisory votes on executive compensation and a Company proposal to lower the special‑meeting threshold to 25%, ratification of PricewaterhouseCoopers LLP as independent auditor, and consideration of a shareholder proposal to lower the threshold to 10%. Shares outstanding were 67,321,698 as of March 3, 2026. The Board recommends voting FOR the director nominees and Proposals 2, 3, 4, and 5 and AGAINST Proposal 6.
MKS INC director Jacqueline F. Moloney reported an open-market sale of 340.107 shares of common stock on March 12, 2026 at a weighted average price of $213.7717 per share. The trades were executed in multiple transactions between $213.7716 and $214.015 per share.
After this sale, Moloney directly owns 10,393.197 shares of MKS INC common stock. The filing notes that detailed trade-by-trade pricing and share data are available upon request.
Registrant: A Form 144 was filed disclosing a proposed sale of 341 shares of common stock. The filing lists $72,705.24 as the aggregate amount and identifies Fidelity Brokerage Services LLC as the broker with a filing date of 03/12/2026.
The shares are described as issued upon restricted stock vesting on 05/06/2024 under a compensation arrangement. The filing also reports that Jacqueline F. Moloney sold 829 shares on 02/20/2026 for $205,218.95.
MKS INC executive Eric Robert Taranto, EVP & GM, VSD, reported an open-market sale of 4,567.879 shares of common stock on March 6, 2026 at a weighted average price of $220.522 per share. After this sale, he directly holds 15,444.7614 shares of MKS INC common stock.
The sale was executed in multiple trades at prices ranging from $220.3701 to $220.780, with the reported price representing the weighted average across those trades.
Eric Taranto reported a proposed sale of 1,453 common shares on 02/20/2026, with proceeds of $359,623.31 under a Form 144 notice. The filing lists prior acquisitions of common stock via restricted stock vesting and ESPP purchases on 04/13/2021, 05/28/2021, 11/30/2021, 02/15/2022, and 02/15/2024, with amounts 442, 89, 68, 819, and 3,150 shares respectively.
MKS INC director Elizabeth Mora reported an open-market sale of company stock. She sold 300 shares of common stock at a price of $239.44 per share. After this transaction, she continued to hold 18,663.394 shares of MKS INC common stock directly.
The sale was executed under a pre-arranged Rule 10b5-1 trading plan that she adopted on February 19, 2025, indicating the transaction was scheduled in advance rather than timed discretionarily.
Elizabeth A. Mora reported the sale of 300 common shares of MKSI. The Form 144 lists 300 common shares sold with a reported aggregate amount of $47,643.00, and notes the securities were related to restricted stock vesting on 05/06/2024. The filing is dated 03/02/2026.
MKS Inc executive James Alan Schreiner, EVP & COO, reported an open-market sale of 4,100 shares of common stock at $255.00 per share on February 24, 2026. After this transaction, he directly owns 23,401.962 shares of MKS Inc common stock.
MKS Inc. files its annual report describing a diversified technology business serving semiconductor, electronics and packaging, and specialty industrial markets. In 2025, these end-markets represented approximately 43%, 28% and 29% of net revenues, respectively, with international customers accounting for about 81% of total net revenues.
The company operates through three main divisions—Vacuum Solutions, Photonics Solutions and Materials Solutions—plus Global Service, and holds significant goodwill and intangibles of about $4.7 billion. MKS highlights substantial debt, including senior secured term loans, a $1.0 billion revolving facility, convertible notes and €1.0 billion of 2034 notes, along with prior impairments of $1.9 billion in 2023.
MKS details major risks: high leverage and restrictive covenants, supply chain and sole‑source dependencies, trade and regulatory exposure, a prior ransomware event in 2023 that cost about $15 million, and intense cyclicality in its core industries. The company also emphasizes global human‑capital programs, with roughly 10,300 workers and low voluntary turnover of 6% in 2025.
MKS Inc. director Gerald G. Colella reported open-market sales of company common stock held indirectly through The Gerald G. Colella 2019 Trust. The trust sold 10,000 shares on February 20, 2026 at a weighted average price of $252.8999 per share and another 10,000 shares on February 24, 2026 at a weighted average price of $253.9675 per share. After these sales, the trust held 40,017 shares, while Colella also held 8,216.927 shares directly.