Waters director exercises options, sells 3,626 shares

Waters Corp director Christopher A. Kuebler reported exercising stock options for 3,626 shares of common stock on August 6, 2026, at 136.4300 per share.

Accepted by SEC EDGAR 08/07/2026 - 05:20 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Waters Corp director Christopher A. Kuebler reported exercising stock options for 3,626 shares of common stock on August 6, 2026, at 136.4300 per share.

On the same date he sold 3,626 common shares at 397.9400 per share in a transaction described as a sale in open market or private transaction.

Insider Trade Summary

Exercise and Sale: 3,626 shares ($948K approx. pre-tax spread)

Exercise and Sale 3 txns

Insider KUEBLER CHRISTOPHER A

Role Director

Sold 3,626 shs ($1.44M)

Approx. gross sale proceeds $1.44M

Approx. exercise cost $495K

Approx. pre-tax spread $948K

Share of Position Sold 16.9%

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	3,626	$0.00	$0.00
Exercise	Common Stock	3,626	$136.43	$495K
Sale	Common Stock	3,626	$397.94	$1.44M

Holdings After Transaction: Stock Option (Right to Buy) — 0 options (Direct); Common Stock — 17,808 shares (Direct)

Holdings Before and After: Stock Option (Right to Buy), 3,626 to 0 options (Direct); Common Stock, 17,808 to 17,808 shares (Direct)

Key Figures

Shares exercised: 3626.0000 shares Option exercise price: 136.4300 per share Shares sold: 3626.0000 shares +2 more

5 metrics

Shares exercised 3626.0000 shares Stock option exercise into common stock on 2026-08-06

Option exercise price 136.4300 per share Conversion or exercise price of the stock option

Shares sold 3626.0000 shares Common stock sale on 2026-08-06 following option exercise

Sale price 397.9400 per share Price per share for common stock sale on 2026-08-06

Option expiration date 2027-01-03 Expiration date of the exercised stock option

Key Terms

Stock Option (Right to Buy), derivative security, Sale in open market or private transaction

3 terms

Stock Option (Right to Buy) financial

"Security title listed as Stock Option (Right to Buy) for the derivative"

derivative security financial

"Transaction code description notes an Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Sale in open market or private transaction financial

"Transaction code description states Sale in open market or private transaction"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Waters (WAT) director Christopher A. Kuebler report in this Form 4?

Christopher A. Kuebler reported exercising 3,626 stock options into Waters common stock and then selling 3,626 common shares on August 6, 2026. The filing shows a derivative option exercise followed by a sale in open market or private transaction.

How many Waters (WAT) shares did Christopher A. Kuebler exercise and sell?

He exercised options for 3,626 underlying common shares and sold 3,626 common shares on August 6, 2026. The number of shares acquired from the option exercise matches the number of shares subsequently sold that same day.

At what prices did Christopher A. Kuebler trade Waters (WAT) stock?

Kuebler exercised his Waters options at 136.4300 per share and sold the resulting common shares at 397.9400 per share. Both the option exercise and the sale were dated August 6, 2026, according to the reported transactions.

What were the terms of Christopher A. Kuebler’s Waters (WAT) stock option?

The reported stock option covered 3,626 underlying common shares at a conversion or exercise price of 136.4300 per share, with an expiration date of January 3, 2027. After the exercise, zero derivative shares remained from this option grant.

Does the Form 4 indicate Christopher A. Kuebler’s Waters (WAT) trades were under a 10b5-1 plan?

The document-level Rule 10b5-1 checkbox is not marked as true, so the trades are not indicated as made under a Rule 10b5-1 trading plan. No footnotes specify any pre-arranged trading arrangement for these transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

KUEBLER CHRISTOPHER A

(Last) (First) (Middle)

34 MAPLE STREET

(Street)

MILFORD MASSACHUSETTS 01757

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
WATERS CORP /DE/ [ WAT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/06/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/06/2026		M		3,626	A	$136.43	21,434	D
Common Stock	08/06/2026		S		3,626	D	$397.94	17,808	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$136.43	08/06/2026		M			3,626	01/03/2018	01/03/2027	Common Stock	3,626	$0	0	D

Explanation of Responses:

Remarks:

Ex. 24 - Power of Attorney

	/s/ Kimberly Larie, attorney-in-fact for Christopher A. Kuebler	08/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)