---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-160751"
form_type: "8-K"
ticker: "MKSI"
cik: "0001049502"
company_name: "MKS INC"
filed_at: "2023-06-05T23:59:59+00:00"
generated_at: "2026-06-14T07:09:13.064148+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Carlyle entities price 2M share secondary offering of MKS common stock at $96.76/share

## Summary
- Selling stockholders (Carlyle affiliates) to sell 2,000,000 shares at $96.76 per share.
- MKS receives no proceeds from the offering; all shares sold by existing holders.
- Offering expected to close June 6, 2023; J.P. Morgan sole underwriter.
- Shares registered under effective Form S-3ASR; prospectus supplement filed with SEC.

## SEC filing metadata
- accession: 0001193125-23-160751
- form_type: 8-K
- ticker: MKSI
- cik: 0001049502
- company_name: MKS INC
- filed_at: 2023-06-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1049502/000119312523160751/0001193125-23-160751-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049502/000119312523160751/d514495d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-160751
- JSON: https://secwatch.observer/filing/0001193125-23-160751.json
- Plain text: https://secwatch.observer/filing/0001193125-23-160751.txt

## Key facts
- Material Agreements
  MKS INC entered into Underwriting Agreement with J.P. Morgan Securities LLC (underwriter) and entities affiliated with Carlyle (Selling Stockholders) valued at Underwriter to purchase 2,000,000 shares of Common Stock at $96.76 per share; Company receives no pr (effective 2023-06-01).
  - Action: entry
  - Agreement: underwriting
  - Counterparty: J.P. Morgan Securities LLC (underwriter) and entities affiliated with Carlyle (Selling Stockholders)
  - Value: Underwriter to purchase 2,000,000 shares of Common Stock at $96.76 per share; Company receives no pr
  - Effective: 2023-06-01
  source text: On June 1, 2023, MKS Instruments, Inc. (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with J.P. Morgan Securities LLC, as underwriter (the “Underwriter”), and entities affiliated with Carlyle (collectively, the “Selling Stockholders”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1049502/000119312523160751/0001193125-23-160751-index.htm

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