---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-065768"
form_type: "8-K"
ticker: "MKSI"
cik: "0001049502"
company_name: "MKS INC"
filed_at: "2025-05-07T23:59:59+00:00"
generated_at: "2026-05-22T06:46:48.685603+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MKS Q1 rev $936M at high end; Non-GAAP EPS $1.71 above guidance

## Summary
- Revenue $936M at high end of guidance; GAAP net income $52M ($0.77 diluted EPS).
- Non-GAAP diluted EPS $1.71, above high end; Adjusted EBITDA $236M.
- Strong YoY growth in Semiconductor and Electronics & Packaging end markets; demand improvement seen.
- Management cites active steps to mitigate trade policy impacts; focus on profitability and delevering.

## SEC filing metadata
- accession: 0000950170-25-065768
- form_type: 8-K
- ticker: MKSI
- cik: 0001049502
- company_name: MKS INC
- filed_at: 2025-05-07T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1049502/000095017025065768/0000950170-25-065768-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049502/000095017025065768/mksi-20250507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-065768
- JSON: https://secwatch.observer/filing/0000950170-25-065768.json
- Plain text: https://secwatch.observer/filing/0000950170-25-065768.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.