---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-291639"
form_type: "8-K"
ticker: "WAT"
cik: "0001000697"
company_name: "WATERS CORP /DE/"
filed_at: "2022-11-23T23:59:59+00:00"
generated_at: "2026-06-21T13:12:45.657132+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Waters Corp appoints Dan Brennan and Mark Vergnano to Board of Directors

## Summary
- Board expanded from 7 to 9 members; appointments effective November 23, 2022.
- Brennan is EVP & CFO of Boston Scientific; Vergnano is former Chairman, President & CEO of Chemours.
- Each receives initial equity grant valued at $36,666 (50% RSU, 50% NSO) vesting in one year, plus prorated cash retainer of $7,418.
- Both deemed independent under NYSE standards; board now 8 of 9 independent, 5 appointed in last 5 years.

## SEC filing metadata
- accession: 0001193125-22-291639
- form_type: 8-K
- ticker: WAT
- cik: 0001000697
- company_name: WATERS CORP /DE/
- filed_at: 2022-11-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1000697/000119312522291639/0001193125-22-291639-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1000697/000119312522291639/d416781d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-291639
- JSON: https://secwatch.observer/filing/0001193125-22-291639.json
- Plain text: https://secwatch.observer/filing/0001193125-22-291639.txt

## Key facts
- Executive change
  Mark P. Vergnano was appointed as Director at WATERS CORP /DE/.
  - Action: appointed
  - Role: Director
  source text: appointed Dan Brennan and Mark P. Vergnano to the Board, effective November 23, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000697/000119312522291639/0001193125-22-291639-index.htm
- Executive change
  Dan Brennan was appointed as Director at WATERS CORP /DE/.
  - Action: appointed
  - Role: Director
  source text: appointed Dan Brennan and Mark P. Vergnano to the Board, effective November 23, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000697/000119312522291639/0001193125-22-291639-index.htm

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