secwatch / observer
WAT WATERS CORP /DE/
CIK 0001000697 50 ready 8-Ks latest August 21, 2026, 9:20 AM ET RSS · JSON
Activity: NORMAL 2 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing August 21, 2026, 9:20 AM ET
Top materiality 0.90
Event mix earnings ×18 · leadership ×8 · m_and_a ×7
Sentiment 14 pos · 1 neg · 35 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for WAT

Executive changes

Appointed

Heather Knight

director
WAT · WATERS CORP /DE/
Effective
2024-08-14
Filed
August 14, 2024, 7:59 PM ET
On August 13, 2024, the Board of Directors (the “Board”) of Waters Corporation (the “Company”) increased the size of the Board from 9 to 10 members and appointed Heather Knight to the Board, effective August 14, 2024, to fill the vacancy so created.
Departed

Jonathan Pratt

Senior Vice President of the Waters Division
WAT · WATERS CORP /DE/
Effective
2023-10-24
Filed
October 24, 2023, 7:59 PM ET
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.
Appointed

Richard Fearon

Director
WAT · WATERS CORP /DE/
Effective
2023-03-27
Filed
March 28, 2023, 7:59 PM ET
On March 27, 2023, the Board of Directors (the “Board”) of Waters Corporation (the “Company”) increased the size of the Board from 9 to 10 members and appointed Richard Fearon to the Board, effective March 27, 2023, to fill the vacancy so created.
Appointed

Mark P. Vergnano

Director
WAT · WATERS CORP /DE/
Effective
2022-11-23
Filed
November 23, 2022, 6:59 PM ET
appointed Dan Brennan and Mark P. Vergnano to the Board, effective November 23, 2022
Appointed

Dan Brennan

Director
WAT · WATERS CORP /DE/
Effective
2022-11-23
Filed
November 23, 2022, 6:59 PM ET
appointed Dan Brennan and Mark P. Vergnano to the Board, effective November 23, 2022
Departed

Thomas Salice

Director
WAT · WATERS CORP /DE/
Effective
2022-07-28
Filed
August 2, 2022, 7:59 PM ET
On July 28, 2022, Thomas Salice notified the Company of his decision to retire from the Board of Directors (the “Board”) as of such date.
Departed

John Ballbach

Director
WAT · WATERS CORP /DE/
Effective
2022-03-30
Filed
April 1, 2022, 7:59 PM ET
On March 30, 2022, John Ballbach resigned from the Board of Directors (the “Board”) of Waters Corporation, effective as of such date.
Departed

Michael Berendt

director
WAT · WATERS CORP /DE/
Effective
2021-10-05
Successor
John M. Ballbach
Filed
October 6, 2021, 7:59 PM ET
On October 1, 2021, Dr. Michael Berendt notified the Board of Directors (the “Board”) of Waters Corporation (the “Company”) of his decision to retire as director of the Company, including from any committees thereof, such retirement, effective October 5, 2021.
Appointed

John M. Ballbach

director
WAT · WATERS CORP /DE/
Effective
2021-10-05
Filed
October 6, 2021, 7:59 PM ET
On October 5, 2021, the Board appointed John M. Ballbach to the Board, effective October 5, 2021, to fill the vacancy left by Dr. Berendt’s retirement.

Earnings & guidance

2026-Q1 EPS reported -$0.87 filing →

Materiality & sentiment trend

Max materiality 0.90 · Median 0.50 · Most common event earnings

14 positive 1 negative 35 neutral

source · WAT on sec.gov