NYSE:WAT

Waters Stock Insider Trading

Healthcare > Medical - Diagnostics & Research

Buy WAT

*Your capital is at risk

$373.22

-3.21 (-0.85%)

At Close: Jul 13, 2026

Waters Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 76.60. In total, the insiders bought 11.87M and sold 21.97K WAT shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power (Last 100 transactions)	76.60
● Buy	11.87M shares
● Sell	21.97K shares
77% Buy Activity Weak Positive Correlation
Sell Signal Low Confidence Mar 02, 2026 Analysis Breakdown: Signal is highly questionable due to a strongly contradictory positive Insider Power Score of 76.6. Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date	Type	Person	Role	Amount
Jun 30, 2026 Buy	Common Stock A-Award	Jiang Wei Director	Director	67 Value: $25.3K
Jun 30, 2026 Buy	Common Stock A-Award	Knight Heather Director	Director	63 Value: $23.6K
Jun 24, 2026 Sell	Common Stock F-InKind	Carpio Robert L Iii SVP Waters Analytical Sciences	Officer	189 Value: $69.8K
May 12, 2026 Sell	Common Stock F-InKind	Chaubal Amol SVP & Chief Financial Officer	C-Suite Officer	239 Value: $84.2K
Apr 06, 2026 Sell	Common Stock F-InKind	Bennett Jianqing SVP Waters Adv. Diagnostics	Officer	302 Value: $91.8K
Mar 31, 2026 Buy	Common Stock A-Award	Knight Heather Director	Director	68 Value: $20.4K
Mar 31, 2026 Buy	Common Stock A-Award	Jiang Wei Director	Director	64 Value: $19.1K
Mar 16, 2026 Buy	Common Stock P-Purchase	Jiang Wei Director	Director	500 Value: $144.7K
Mar 06, 2026 Buy	Common Stock P-Purchase	Fearon Richard H Director	Director	1 000 Value: $306.3K
Mar 02, 2026 Sell	Common Stock F-InKind	Batra Udit President And CEO	CEO / President	3 417 Value: $1.05M
Mar 02, 2026 Sell	Common Stock F-InKind	Chaubal Amol SVP & Chief Financial Officer	C-Suite Officer	709 Value: $217.8K
Mar 02, 2026 Sell	Common Stock F-InKind	Bennett Jianqing SVP Waters Adv. Diagnostics	Officer	410 Value: $126.0K
Feb 25, 2026 Buy	Stock Option (Right to Buy) A-Award	Chaubal Amol SVP & Chief Financial Officer	C-Suite Officer	7 125 Value: $2.28M
Feb 25, 2026 Buy	Common Stock A-Award	Chaubal Amol SVP & Chief Financial Officer	C-Suite Officer	1 455 Value: $464.8K
Feb 25, 2026 Buy	Stock Option (Right to Buy) A-Award	Bennett Jianqing SVP Waters Adv. Diagnostics	Officer	4 826 Value: $1.54M
Feb 25, 2026 Buy	Common Stock A-Award	Bennett Jianqing SVP Waters Adv. Diagnostics	Officer	986 Value: $315.0K
Feb 25, 2026 Buy	Common Stock A-Award	Carpio Robert L Iii SVP Waters Analytical Sciences	Officer	997 Value: $318.5K
Feb 25, 2026 Buy	Stock Option (Right to Buy) A-Award	Carpio Robert L Iii SVP Waters Analytical Sciences	Officer	4 884 Value: $1.56M
Feb 25, 2026 Buy	Common Stock A-Award	Batra Udit President And CEO	CEO / President	5 165 Value: $1.65M
Feb 25, 2026 Buy	Stock Option (Right to Buy) A-Award	Batra Udit President And CEO	CEO / President	25 283 Value: $8.08M
Feb 25, 2026 Buy	Common Stock A-Award	Vergnano Mark Director	Director	23 Value: $7K
Feb 25, 2026 Buy	Stock Option (Right to Buy) A-Award	Vergnano Mark Director	Director	57 Value: $18.2K
Feb 25, 2026 Buy	Common Stock A-Award	Kuebler Christopher A Director	Director	23 Value: $7K
Feb 25, 2026 Buy	Stock Option (Right to Buy) A-Award	Kuebler Christopher A Director	Director	57 Value: $18.2K
Feb 25, 2026 Buy	Common Stock A-Award	Knight Heather Director	Director	23 Value: $7K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%^* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

ABOUT WATERS CORPORATION

Waters Corporation, a specialty measurement company, provides analytical workflow solutions in Asia, the Americas, and Europe. It operates through two segments, Waters and TA. The company designs, manufactures, sells, and services high and ultra-performance liquid chromatography, as well as mass spectrometry (MS) technology systems and support products, including chromatography columns, other consumable products, and post-warranty service plans. ...

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