secwatch.observer — SEC 8-K summary
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Issuer:     MKS INC (MKSI)
CIK:        0001049502
Form:       8-K
Filed at:   2026-01-28T23:59:59+00:00
Accession:  0001193125-26-027243
Event type: debt
Sentiment:  neutral
Materiality: 0.60
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

MKS prices €1.0B 4.250% senior notes due 2034 to refinance term loans
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- €1.0B aggregate principal, 4.250% coupon, maturing February 15, 2034.
- Net proceeds ~€985M after discounts and expenses; closing expected Feb 4, 2026.
- Proceeds used to prepay ~$1.3B of USD Tranche B Term Loan and refinance Euro Tranche B Term Loan in full.
- Notes are unsecured senior obligations guaranteed by certain subsidiaries.
- Closing of offering not contingent on concurrently announced Term Loan refinancing.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1049502/000119312526027243/0001193125-26-027243-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1049502/000119312526027243/d85940d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-027243

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