---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-261216"
form_type: "8-K"
ticker: "WAT"
cik: "0001000697"
company_name: "WATERS CORP /DE/"
filed_at: "2023-10-24T23:59:59+00:00"
generated_at: "2026-06-09T13:08:10.973281+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Waters Corp: SVP Jonathan Pratt resigns; Christos Ross named interim successor

## Summary
- Jonathan Pratt resigns as SVP of Waters Division effective Oct 24 to pursue external opportunity.
- Christos Ross appointed Interim SVP of Waters Division, also continues as SVP of Global Operations.
- Company initiates search for permanent successor, considering internal and external candidates.
- Pratt will remain until Oct 27 to ensure smooth transition.

## SEC filing metadata
- accession: 0001193125-23-261216
- form_type: 8-K
- ticker: WAT
- cik: 0001000697
- company_name: WATERS CORP /DE/
- filed_at: 2023-10-24T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1000697/000119312523261216/0001193125-23-261216-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1000697/000119312523261216/d531703d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-261216
- JSON: https://secwatch.observer/filing/0001193125-23-261216.json
- Plain text: https://secwatch.observer/filing/0001193125-23-261216.txt

## Key facts
- Executive change
  Jonathan Pratt resigned as Senior Vice President of the Waters Division at WATERS CORP /DE/.
  - Action: resigned
  - Role: Senior Vice President of the Waters Division
  source text: On October 18, 2023, Jonathan Pratt notified Waters Corporation (the “Company”) of his decision to resign from his position as Senior Vice President of the Waters Division, effective October 24, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000697/000119312523261216/0001193125-23-261216-index.htm

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