Waters Corporation
Waters Corporation (WAT) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · WAT · as of Jun 8, 2026
Activity summary
Buy transactions
2
P-Purchase only
Sell transactions
0
12 Months
Buy/Sell ratio
∞
Buy/Sell (by trades)
Overall sentiment
Waters Corporation insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
WAT insider buying and selling by quarter
WAT insider selling · WAT insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · WAT ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
WAT executive sell shares · WAT board member insider trading · WAT insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 12, 2026 | Chaubal Amol SVP & Chief Financial Officer | Other | 239 | $84K | Form 4 |
| Apr 6, 2026 | Bennett Jianqing SVP Waters Adv. Diagnostics | Other | 302 | $92K | Form 4 |
| Mar 31, 2026 | Jiang Wei Director | Award | 64.06 | — | Form 4 |
| Mar 31, 2026 | Knight Heather Director | Award | 68.44 | — | Form 4 |
| Mar 16, 2026 | Jiang Wei Director | Purchase | 500 | $145K | Form 4 |
| Mar 6, 2026 | FEARON RICHARD H Director | Purchase | 1,000 | $306K | Form 4 |
| Mar 2, 2026 | Batra Udit President and CEO · Director | Other | 3,417 | $1.05M⚡ | Form 4 |
| Mar 2, 2026 | Chaubal Amol SVP & Chief Financial Officer | Other | 709 | $218K | Form 4 |
| Mar 2, 2026 | Bennett Jianqing SVP Waters Adv. Diagnostics | Other | 410 | $126K | Form 4 |
| Feb 25, 2026 | Carpio Robert L III SVP Waters Analytical Sciences | Award | 997 | — | Form 4 |
| Feb 25, 2026 | Bennett Jianqing SVP Waters Adv. Diagnostics | Award | 986 | — | Form 4 |
| Feb 25, 2026 | Chaubal Amol SVP & Chief Financial Officer | Award | 1,455 | — | Form 4 |
| Feb 25, 2026 | Batra Udit President and CEO · Director | Award | 5,165 | — | Form 4 |
| Feb 25, 2026 | Vergnano Mark Director | Award | 23 | — | Form 4 |
| Feb 25, 2026 | KUEBLER CHRISTOPHER A Director | Award | 23 | — | Form 4 |
| Feb 25, 2026 | Knight Heather Director | Award | 23 | — | Form 4 |
| Feb 25, 2026 | Jiang Wei Director | Award | 23 | — | Form 4 |
| Feb 25, 2026 | Huang Pearl S Director | Award | 23 | — | Form 4 |
| Feb 25, 2026 | Fraser Claire Director | Award | 358 | — | Form 4 |
| Feb 25, 2026 | FEARON RICHARD H Director | Award | 23 | — | Form 4 |
| Feb 25, 2026 | Brennan Daniel J. Director | Award | 23 | — | Form 4 |
| Feb 25, 2026 | BADDOUR LINDA Director | Award | 23 | — | Form 4 |
| Feb 25, 2026 | Ornskov Flemming Director | Award | 336 | — | Form 4 |
| Feb 5, 2026 | Carpio Robert L III SVP, Waters Division | Other | 38 | $14K | Form 4 |
| Feb 4, 2026 | Bennett Jianqing SVP TA Instruments Division | Award | 1,385 | — | Form 4 |
Chaubal Amol
SVP & Chief Financial Officer
Date
May 12
Shares
239
Price
$352.21
Value
$84K
Bennett Jianqing
SVP Waters Adv. Diagnostics
Date
Apr 6
Shares
302
Price
$304.09
Value
$92K
Batra Udit
President and CEO · Director
Date
Mar 2
Shares
3,417
Price
$307.23
Value
$1.05M ⚡
Chaubal Amol
SVP & Chief Financial Officer
Date
Mar 2
Shares
709
Price
$307.23
Value
$218K
Bennett Jianqing
SVP Waters Adv. Diagnostics
Date
Mar 2
Shares
410
Price
$307.23
Value
$126K
Carpio Robert L III
SVP Waters Analytical Sciences
Date
Feb 25
Shares
997
Price
—
Value
—
Bennett Jianqing
SVP Waters Adv. Diagnostics
Date
Feb 25
Shares
986
Price
—
Value
—
Chaubal Amol
SVP & Chief Financial Officer
Date
Feb 25
Shares
1,455
Price
—
Value
—
Carpio Robert L III
SVP, Waters Division
Date
Feb 5
Shares
38
Price
$376.89
Value
$14K
Bennett Jianqing
SVP TA Instruments Division
Date
Feb 4
Shares
1,385
Price
—
Value
—
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About WAT insider trading
WAT insider trades
Waters Corporation (WAT) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Jiang Wei (Director), Knight Heather (Director), Chaubal Amol (SVP & Chief Financial Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. WAT insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Waters Corporation's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
WAT insider trading · 5 questionsThe insiders of Waters Corporation (WAT) include executives and directors such as Jiang Wei (Director), Knight Heather (Director), Chaubal Amol (SVP & Chief Financial Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026