WAT

NYSE

WATERS CORP /DE/

Latest disclosureOctober 2, 2026

Insider score Why 0?: 0/ 100
Qualifying buys · 30d: $0

0 purchases · 1 sales

Price by TradingView

Insider transactions 12

Limited filing history

Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

Showing the first 6 of 11 trades on this page.

Award disclosed

Heather Knight

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Award disclosed

Wei Jiang

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Exercise or conversion

Christopher A. Kuebler

Director

Common Stock

Value context: $494.7K
Reported price: $136.43 / share

Exercise or conversion

Christopher A. Kuebler

Director

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context: Not a separate purchase
Exercise / conversion price: $136.43 exercise / conversion price

Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Award disclosed

Heather Knight

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Award disclosed

Wei Jiang

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Tax or exercise withholding

Robert L. Carpio III

SVP Waters Analytical Sciences

Common Stock

Value context: $69.78K
Reported price: $369.18 / share

Tax or exercise withholding

Amol Chaubal

SVP & Chief Financial Officer

Common Stock

Value context: $84.18K
Reported price: $352.21 / share

Tax or exercise withholding

Jianqing Bennett

SVP Waters Adv. Diagnostics

Common Stock

Value context: $91.84K
Reported price: $304.09 / share

Award disclosed

Wei Jiang

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Award disclosed

Heather Knight

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Reporting insider	Security / transaction	Amount / price	Value	Traded / disclosed	Source
Director	Common StockGrant or award	57Award · no purchase price	Non-cash award	Sep 30Filed Oct 2 · 2d later	SEC filing
Director	Common StockGrant or award	57Award · no purchase price	Non-cash award	Sep 30Filed Oct 2 · 2d later	SEC filing
Director	Common StockOption exercise or conversion	3,626$136.43 / share	$494.7K	Aug 6Filed Aug 7 · 1d later	SEC filing
Director	Stock Option (Right to Buy)Option exercise or conversion	Derivative units3,626$136.43 exercise / conversion price	Not a separate purchase	Aug 6Filed Aug 7 · 1d later	SEC filing
Director	Common StockGrant or award	63Award · no purchase price	Non-cash award	Jun 30Filed Jul 2 · 2d later	SEC filing
Director	Common StockGrant or award	67Award · no purchase price	Non-cash award	Jun 30Filed Jul 2 · 2d later	SEC filing
SVP Waters Analytical Sciences	Common StockExercise-price or tax withholding	189$369.18 / share	$69.78K	Jun 24Filed Jun 25 · 1d later	SEC filing
SVP & Chief Financial Officer	Common StockExercise-price or tax withholding	239$352.21 / share	$84.18K	May 12Filed May 14 · 2d later	SEC filing
SVP Waters Adv. Diagnostics	Common StockExercise-price or tax withholding	302$304.09 / share	$91.84K	Apr 6Filed Apr 7 · 1d later	SEC filing
Director	Common StockGrant or award	64Award · no purchase price	Non-cash award	Mar 31Filed Apr 2 · 2d later	SEC filing
Director	Common StockGrant or award	68Award · no purchase price	Non-cash award	Mar 31Filed Apr 2 · 2d later	SEC filing

Congress transactions 11

All Congress filings

Sale disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports a sale for a joint account.

Kevin HernReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: August 13, 2026

Full sale disclosedAmended report

Waters Corporation Common Stock · Stock

The filing reports a full sale for a joint account.

Thomas H TubervilleReporting Senate member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: May 3, 2024

Partial sale disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports a partial sale for the member.

Thomas H. Kean JrReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: March 10, 2026

Purchase disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports a purchase for the member.

Gilbert CisnerosReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: March 18, 2026

Partial sale disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports a partial sale for the member.

Thomas H. Kean JrReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: February 13, 2026

Exchange disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports an exchange for a joint account.

Kevin HernReporting House member

Reported amount: $1,001 – $15,000Reported exchange amount; not a valuation of shares received.
Trade date: February 9, 2026

Exchange disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports an exchange for the member.

Debbie DingellReporting House member

Reported amount: $1,001 – $15,000Reported exchange amount; not a valuation of shares received.
Trade date: February 10, 2026

Purchase disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports a purchase for the member.

Julia LetlowReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: December 8, 2025

Sale disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports a sale for the member.

Julia LetlowReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: November 19, 2024

Purchase disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports a purchase for the member.

Julia LetlowReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 23, 2024

Purchase disclosed

Waters Corporation Common Stock (WAT) · Stock

The filing reports a purchase for the member.

Gilbert CisnerosReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: September 30, 2025

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0001000697
Latest public acceptance: Oct 2, 2026, 09:11 PM UTC
Score calculated: Oct 7, 2026, 12:06 AM UTC
Parser: form4-parser-1.5
Classifier: form4-classifier-1.1
Scoring methodology: insider-experimental-1.1
Availability: Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Reporting insider

Security / transaction

Amount / price

Value

Traded / disclosed

Source

Director

Common StockGrant or award

57Award · no purchase price

Non-cash award

Sep 30Filed Oct 2 · 2d later

SEC filing

Director

Common StockGrant or award

57Award · no purchase price

Non-cash award

Sep 30Filed Oct 2 · 2d later

SEC filing

Director

Common StockOption exercise or conversion

3,626$136.43 / share

$494.7K

Aug 6Filed Aug 7 · 1d later

SEC filing

Director

Stock Option (Right to Buy)Option exercise or conversion

Derivative units3,626$136.43 exercise / conversion price

Not a separate purchase

Aug 6Filed Aug 7 · 1d later

SEC filing

Director

Common StockGrant or award

63Award · no purchase price

Non-cash award

Jun 30Filed Jul 2 · 2d later

SEC filing

Director

Common StockGrant or award

67Award · no purchase price

Non-cash award

Jun 30Filed Jul 2 · 2d later

SEC filing

SVP Waters Analytical Sciences

Common StockExercise-price or tax withholding

189$369.18 / share

$69.78K

Jun 24Filed Jun 25 · 1d later

SEC filing

SVP & Chief Financial Officer

Common StockExercise-price or tax withholding

239$352.21 / share

$84.18K

May 12Filed May 14 · 2d later

SEC filing

SVP Waters Adv. Diagnostics

Common StockExercise-price or tax withholding

302$304.09 / share

$91.84K

Apr 6Filed Apr 7 · 1d later

SEC filing

Director

Common StockGrant or award

64Award · no purchase price

Non-cash award

Mar 31Filed Apr 2 · 2d later

SEC filing

Director

Common StockGrant or award

68Award · no purchase price

Non-cash award

Mar 31Filed Apr 2 · 2d later

SEC filing

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0001000697
Latest public acceptance: Oct 2, 2026, 09:11 PM UTC
Score calculated: Oct 7, 2026, 12:06 AM UTC
Parser: form4-parser-1.5
Classifier: form4-classifier-1.1
Scoring methodology: insider-experimental-1.1
Availability: Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.