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.
MKSI: Notice of proposed sale under Section 144 related to recently vested restricted shares
The filing lists restricted stock vesting entries for 3,143 shares on 02/15/2026 and 5,667 shares on 11/15/2025
The filing shows a broker entry for Fidelity Brokerage Services LLC and a date of 05/22/2026. The document records securities to be sold associated with compensation vesting; timing and exact sale mechanics are not detailed in the excerpt.
MKS Inc director Peter Cannone III reported an open-market sale of 1,350 shares of Common Stock on May 18, 2026 at a price of $303.4001 per share. After this transaction, he directly holds 7,794.039 shares, indicating he retains a meaningful ongoing equity stake in the company.
MKSI notice of proposed sale: 1,350 shares of Common Stock are listed for sale tied to restricted stock vesting on 05/06/2024, with Fidelity Brokerage Services LLC shown as the broker. The filing also records that Peter J. Cannone III sold 1,250 shares on 02/20/2026 for $322,574.50.
MKS INC director Jacqueline F. Moloney reported an open-market sale of 1,000 shares of Common Stock. The shares were sold at an average price of $312.1969 per share. After this transaction, she directly holds 8,775.156 MKS INC shares, indicating she retains a substantial ongoing equity position.
MKSI files a Form 144 notice of proposed sale of common stock. The filing lists 1,000 shares of Common Stock to be sold on 05/11/2026 arising from Restricted Stock Vesting designated as Compensation. The filing also reports recent dispositions by Jacqueline F. Moloney: 829 shares on 02/20/2026, 341 shares on 03/12/2026, and 1,400 shares on 05/13/2026, each with the dollar amounts shown in the filing.
MKS INC director Jacqueline F. Moloney reported an open-market sale of company stock. On May 13, 2026, she sold 1,400 shares of Common Stock at an average price of $318.99 per share.
After this transaction, she directly holds 9,775.156 shares of MKS INC common stock. This filing reflects a director monetizing a portion of her existing equity position while retaining a substantial remaining stake.
MKSI filed a Rule 144 notice reporting proposed resale of 1400 shares of Common Stock tied to a Restricted Stock Vesting event on 05/11/2026. The filing lists prior dispositions in the past three months: 829 shares sold on 02/20/2026 for $205,218.95 and 341 shares sold on 03/12/2026 for $72,705.24. The brokerage intermediary shown is Fidelity Brokerage Services LLC.
MKS Inc. held its 2026 annual meeting, where shareholders approved an amendment to the 2022 Stock Incentive Plan that increases the shares authorized for issuance by 6,200,000 shares and updates the company name. Other plan terms remain unchanged.
Shareholders elected three directors and approved the amended plan, executive compensation on an advisory basis, and the ratification of PricewaterhouseCoopers LLP as auditor for 2026. They also approved, on an advisory basis, reducing the shareholder threshold to call a special meeting from 40% to 25%, while a separate shareholder proposal to lower the threshold to 10% did not pass.
MKS INC executive Eric Robert Taranto, EVP & GM, VSD, reported an open-market sale of common stock. On May 11, 2026, he sold 2,848.522 shares at a weighted average price of $319.930 per share in multiple trades between $319.930 and $320.345. After this transaction, he directly holds 12,596.2394 shares of MKS common stock.
Moloney Jacqueline F reported acquisition or exercise transactions in this Form 4 filing.
MKS Inc director Jacqueline F. Moloney received an equity award in the form of restricted stock units (RSUs). She was granted 781.959 shares of common stock-equivalent RSUs at no cash cost, increasing her direct holdings to 11,175.156 shares of common stock.
The RSUs will fully vest on the day before the first annual meeting of shareholders following the grant date, or, if no such meeting occurs within 13 months, on the 13‑month anniversary of the grant. Each RSU represents the right to receive one share of MKS Inc common stock upon vesting.