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 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).
MKS Inc executive Eric Robert Taranto, EVP & GM, VSD, reported multiple equity compensation transactions dated February 17, 2026. He received a grant of 1758.9560 restricted stock units, each representing one share of common stock, which vest in three equal annual installments commencing on February 15, 2027.
Several prior restricted stock unit awards were exercised or converted into common stock at a share price of $0.0000, reflecting scheduled vesting under earlier grants. In connection with these vestings, 2711.7680 common shares valued at $260.7400 per share were withheld by MKS Inc to satisfy tax withholding obligations, and the filing states this did not represent a discretionary trade by Taranto.
MKS Inc executive Henry David Philip reported multiple equity compensation transactions. On February 17, 2026, he received a grant of 2,567.126 restricted stock units (RSUs) at a stated price of 0.0000 per unit.
He also exercised or converted several RSU awards into common stock, with multiple transactions coded "M" as derivative exercises or conversions. After these conversions and before tax withholding, his direct common stock holdings reached 24,938.637 shares. A separate transaction coded "F" disposed of 4,097.269 common shares at 260.7400 per share to satisfy tax withholding obligations triggered by RSU vesting, which the footnotes state was not a discretionary trade. Following the tax-related share withholding, he directly held 20,841.368 common shares. Footnotes explain that various RSU awards vest in three equal annual installments beginning on specific February 15 dates from 2024 through 2027, with each RSU representing the right to receive one share of MKS Inc common stock.