---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-209140"
form_type: "8-K"
ticker: "MKSI"
cik: "0001049502"
company_name: "MKS INC"
filed_at: "2026-05-06T23:59:59+00:00"
generated_at: "2026-05-14T22:27:08.674369+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MKS Q1 2026 revenue $1.078B beats guidance; GAAP EPS $1.18, Non-GAAP $2.30

## Summary
- Revenue of $1,078 million, at the high end of guided range.
- GAAP net income $84 million and diluted EPS $1.18.
- Adjusted EBITDA $277 million, Non-GAAP diluted EPS $2.30, each above high end of guidance.
- CEO cites accelerating AI-related demand and strong bookings in semiconductor and PCB markets.
- CFO highlights solid gross margins, operating discipline, and cash generation.

## SEC filing metadata
- accession: 0001193125-26-209140
- form_type: 8-K
- ticker: MKSI
- cik: 0001049502
- company_name: MKS INC
- filed_at: 2026-05-06T23:59:59+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/1049502/000119312526209140/0001193125-26-209140-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049502/000119312526209140/mksi-20260506.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-209140
- JSON: https://secwatch.observer/filing/0001193125-26-209140.json
- Plain text: https://secwatch.observer/filing/0001193125-26-209140.txt

## Source-grounded claims
- claim_id: da3add4e5ef43610e1002113efc55b7de0945e97
  claim: MKS INC reported the first quarter of 2026 results: revenue $1,078 million, net income GAAP net income of $84 million and net income per diluted share of $1.18, EPS Non-GAAP net earnings per diluted share of $2.30.
  evidence_excerpt: MKS Inc. Reports First Quarter 2026 Financial Results • Revenue of $1,078 million, at the high end of guidance • GAAP net income of $84 million and net income per diluted share of $1.18 • Adjusted EBITDA of $277 million and Non-GAAP net earnings per diluted share of $2.30, each above the high end of guidance
  evidence_url: https://www.sec.gov/Archives/edgar/data/1049502/000119312526209140/0001193125-26-209140-index.htm

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