---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-012251"
form_type: "8-K"
ticker: "MKSI"
cik: "0001049502"
company_name: "MKS INC"
filed_at: "2024-02-07T23:59:59+00:00"
generated_at: "2026-06-06T06:23:00.736715+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# MKS Q4 revenue $893M beats guidance; GAAP loss $68M, non-GAAP EPS $1.17

## Summary
- Revenue $893M exceeded high-end guidance; GAAP net loss $68M ($1.02/sh) includes impairments.
- Non-GAAP diluted EPS $1.17; Adjusted EBITDA $218M; both above guidance high-end.
- Q1 2024 guidance: rev $840M±$40M, Adj. EBITDA $182M±$22M, non-GAAP EPS $0.72±$0.25.
- Completed debt repricing, $50M voluntary prepayment; refinanced term loan A in past month.

## SEC filing metadata
- accession: 0000950170-24-012251
- form_type: 8-K
- ticker: MKSI
- cik: 0001049502
- company_name: MKS INC
- filed_at: 2024-02-07T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1049502/000095017024012251/0000950170-24-012251-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049502/000095017024012251/mksi-20240207.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-012251
- JSON: https://secwatch.observer/filing/0000950170-24-012251.json
- Plain text: https://secwatch.observer/filing/0000950170-24-012251.txt

## Key facts
- Earnings Releases
  MKS INC reported the quarter ended December 31, 2023 results: revenue $893 million, net income GAAP net loss of $68 million, EPS net loss per share of $1.02.
  - Period: the quarter ended December 31, 2023
  - Revenue: $893 million
  - Net income: GAAP net loss of $68 million
  - EPS: net loss per share of $1.02
  - Result: reported results
  source text: Quarterly revenue of $893 million, exceeding the high-end of guidance • Quarterly GAAP net loss of $68 million and net loss per share of $1.02
  evidence_url: https://www.sec.gov/Archives/edgar/data/1049502/000095017024012251/0000950170-24-012251-index.htm
- Earnings Releases
  MKS INC reported First quarter of 2024 results: revenue $840 million, plus or minus $40 million, EPS Non-GAAP net earnings per diluted share of $0.72, plus or minus $0.25. Guidance initiated.
  - Period: First quarter of 2024
  - Revenue: $840 million, plus or minus $40 million
  - EPS: Non-GAAP net earnings per diluted share of $0.72, plus or minus $0.25
  - Guidance: initiated
  - Result: guidance update
  source text: First Quarter 2024 Outlook For the first quarter of 2024, the Company expects revenue of $840 million, plus or minus $40 million, Adjusted EBITDA of $182 million, plus or minus $22 million, and Non-GAAP net earnings per diluted share of $0.72, plus or minus $0.25.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1049502/000095017024012251/0000950170-24-012251-index.htm

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