---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-235198"
form_type: "8-K"
ticker: "MKSI"
cik: "0001049502"
company_name: "MKS INC"
filed_at: "2022-08-31T23:59:59+00:00"
generated_at: "2026-06-23T18:21:58.413694+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "low"
source: SEC EDGAR
---

# MKS Instruments posts supplemental historical financial data following Atotech acquisition

## Summary
- Presentation includes historical financial information for MKS and Atotech (acquired Aug 17, 2022).
- Available under Annual Reports & Presentations in the Investor Relations section of MKS' website.
- No specific financial figures or guidance changes were disclosed in the 8-K filing.

## SEC filing metadata
- accession: 0001193125-22-235198
- form_type: 8-K
- ticker: MKSI
- cik: 0001049502
- company_name: MKS INC
- filed_at: 2022-08-31T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: low
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1049502/000119312522235198/0001193125-22-235198-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049502/000119312522235198/d309804d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-235198
- JSON: https://secwatch.observer/filing/0001193125-22-235198.json
- Plain text: https://secwatch.observer/filing/0001193125-22-235198.txt

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