---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-119753"
form_type: "8-K"
ticker: "WAT"
cik: "0001000697"
company_name: "WATERS CORP /DE/"
filed_at: "2026-03-23T23:59:59+00:00"
generated_at: "2026-05-15T09:19:01.747339+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Waters subsidiary issues $3.5B in senior notes across five tranches to repay DDTL

## Summary
- Issuer Augusta SpinCo completed offering of $3.5B senior notes: 4.321% due 2027, 4.398% 2029, 4.656% 2031, 4.945% 2033, 5.245% 2036.
- Notes are fully and unconditionally guaranteed by Waters Corp and certain subsidiaries.
- Proceeds used to repay $3.5B of indebtedness under delayed draw term loan incurred in February 2026.
- Change of control triggers mandatory repurchase at 101% of principal plus accrued interest.
- Underwriters include Barclays, Citigroup, J.P. Morgan, BofA Securities, and HSBC.

## SEC filing metadata
- accession: 0001193125-26-119753
- form_type: 8-K
- ticker: WAT
- cik: 0001000697
- company_name: WATERS CORP /DE/
- filed_at: 2026-03-23T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1000697/000119312526119753/0001193125-26-119753-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1000697/000119312526119753/d70582d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-119753
- JSON: https://secwatch.observer/filing/0001193125-26-119753.json
- Plain text: https://secwatch.observer/filing/0001193125-26-119753.txt

## Source-grounded claims
- claim_id: 493d1691c927163e5604f37756078f1f905104e5
  claim: WATERS CORP /DE/ incurred senior notes of $750 million with U.S. Bank Trust Company, National Association at 4.656% maturing due 2031.
  evidence_excerpt: On March 23, 2026, Augusta SpinCo Corporation (the “Issuer”), a subsidiary of Waters Corporation (the “Company”), completed the public offering (the “Offering”) of $3.5 billion aggregate principal amount of senior notes, consisting of (i) $650 million aggregate principal amount of 4.321% Senior Notes due 2027 (the “2027 Notes”), (ii) $600 million aggregate principal amount of 4.398% Senior Notes due 2029, (iii) $750 million aggregate principal amount of 4.656% Senior Notes due 2031, (iv) $750 million aggregate principal amount of 4.945% Senior Notes due 2033 and (v) $750 million aggregate principal amount of 5.245% Senior Notes due 2036 (collectively, the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000697/000119312526119753/0001193125-26-119753-index.htm
- claim_id: 4dbb0816c6ff402a867e1a92d6102b1642084f3e
  claim: WATERS CORP /DE/ incurred senior notes of $750 million with U.S. Bank Trust Company, National Association at 4.945% maturing due 2033.
  evidence_excerpt: On March 23, 2026, Augusta SpinCo Corporation (the “Issuer”), a subsidiary of Waters Corporation (the “Company”), completed the public offering (the “Offering”) of $3.5 billion aggregate principal amount of senior notes, consisting of (i) $650 million aggregate principal amount of 4.321% Senior Notes due 2027 (the “2027 Notes”), (ii) $600 million aggregate principal amount of 4.398% Senior Notes due 2029, (iii) $750 million aggregate principal amount of 4.656% Senior Notes due 2031, (iv) $750 million aggregate principal amount of 4.945% Senior Notes due 2033 and (v) $750 million aggregate principal amount of 5.245% Senior Notes due 2036 (collectively, the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000697/000119312526119753/0001193125-26-119753-index.htm
- claim_id: 79b7d55bbdd45b415eada4a04075f4d62fa172cb
  claim: WATERS CORP /DE/ incurred senior notes of $650 million with U.S. Bank Trust Company, National Association at 4.321% maturing due 2027.
  evidence_excerpt: On March 23, 2026, Augusta SpinCo Corporation (the “Issuer”), a subsidiary of Waters Corporation (the “Company”), completed the public offering (the “Offering”) of $3.5 billion aggregate principal amount of senior notes, consisting of (i) $650 million aggregate principal amount of 4.321% Senior Notes due 2027 (the “2027 Notes”), (ii) $600 million aggregate principal amount of 4.398% Senior Notes due 2029, (iii) $750 million aggregate principal amount of 4.656% Senior Notes due 2031, (iv) $750 million aggregate principal amount of 4.945% Senior Notes due 2033 and (v) $750 million aggregate principal amount of 5.245% Senior Notes due 2036 (collectively, the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000697/000119312526119753/0001193125-26-119753-index.htm
- claim_id: bb89ca9cf1c81c7d2e155322c3e56850c62a6572
  claim: WATERS CORP /DE/ incurred senior notes of $750 million with U.S. Bank Trust Company, National Association at 5.245% maturing due 2036.
  evidence_excerpt: On March 23, 2026, Augusta SpinCo Corporation (the “Issuer”), a subsidiary of Waters Corporation (the “Company”), completed the public offering (the “Offering”) of $3.5 billion aggregate principal amount of senior notes, consisting of (i) $650 million aggregate principal amount of 4.321% Senior Notes due 2027 (the “2027 Notes”), (ii) $600 million aggregate principal amount of 4.398% Senior Notes due 2029, (iii) $750 million aggregate principal amount of 4.656% Senior Notes due 2031, (iv) $750 million aggregate principal amount of 4.945% Senior Notes due 2033 and (v) $750 million aggregate principal amount of 5.245% Senior Notes due 2036 (collectively, the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000697/000119312526119753/0001193125-26-119753-index.htm
- claim_id: cc4ffb2d09f9264204baff542cf42fc62bacad13
  claim: WATERS CORP /DE/ incurred senior notes of $600 million with U.S. Bank Trust Company, National Association at 4.398% maturing due 2029.
  evidence_excerpt: On March 23, 2026, Augusta SpinCo Corporation (the “Issuer”), a subsidiary of Waters Corporation (the “Company”), completed the public offering (the “Offering”) of $3.5 billion aggregate principal amount of senior notes, consisting of (i) $650 million aggregate principal amount of 4.321% Senior Notes due 2027 (the “2027 Notes”), (ii) $600 million aggregate principal amount of 4.398% Senior Notes due 2029, (iii) $750 million aggregate principal amount of 4.656% Senior Notes due 2031, (iv) $750 million aggregate principal amount of 4.945% Senior Notes due 2033 and (v) $750 million aggregate principal amount of 5.245% Senior Notes due 2036 (collectively, the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000697/000119312526119753/0001193125-26-119753-index.htm
- claim_id: 691cdfb19be6a28c8cb8b95ffbe99f371f245366
  claim: WATERS CORP /DE/ entered into Indenture with U.S. Bank Trust Company, National Association valued at $3.5 billion aggregate principal amount (effective 2026-03-23).
  evidence_excerpt: The Notes and the Guarantees were issued pursuant to that certain Indenture, dated as of March 23, 2026 (the “Base Indenture”), by and among the Issuer, the Company and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”), as supplemented by that certain First Supplemental Indenture, dated as of March 23, 2026 (the “First Supplemental Indenture” and the Base Indenture as so supplemented, the “Indenture”), by and among the Issuer, the Guarantors and the Trustee.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000697/000119312526119753/0001193125-26-119753-index.htm

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