Waters (NYSE: WAT) director awarded stock option and restricted shares

Rhea-AI Filing Summary

Waters Corp director Christopher A. Kuebler reported equity awards that increase his direct holdings. On February 25, 2026, he received a stock option for 57 shares at an exercise price of $0.00 per share and a grant of 23 shares of common stock at $0.00 per share.

The 23 common shares are subject to restrictions that lapse for all shares on February 9, 2027, and all 57 option shares vest and become exercisable on the same date. Following the stock grant, Kuebler directly owns 17,808 shares of Waters common stock.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider KUEBLER CHRISTOPHER A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	57	$0.00	--
Grant/Award	Common Stock	23	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 57 shares (Direct); Common Stock — 17,808 shares (Direct)

Footnotes (1)

1. Represents shares of common stock subject to restrictions that lapse with respect to 100% of the shares on February 9, 2027. All of the shares of common stock underlying this stock option will vest and become exercisable on February 9, 2027.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 02/27/2026 - 07:23 PM Learn about SEC filing dates

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 MA 01757

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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

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

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

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	02/25/2026		A		23(1)	A	$0	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)	$319.44	02/25/2026		A		57(2)		02/09/2027	02/25/2036	Common Stock	57	$0	57	D

Explanation of Responses:

1. Represents shares of common stock subject to restrictions that lapse with respect to 100% of the shares on February 9, 2027.

2. All of the shares of common stock underlying this stock option will vest and become exercisable on February 9, 2027.

	/s/ Michael Lynn, attorney-in-fact for Christopher A. Kuebler	02/27/2026
	** 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.

FAQ

What insider transactions did WAT director Christopher A. Kuebler report?

Christopher A. Kuebler reported two equity awards: a stock option for 57 shares and a grant of 23 shares of Waters common stock, both dated February 25, 2026, increasing his directly held share count to 17,808.

Were Christopher A. Kuebler’s WAT stock awards open-market purchases or grants?

The reported WAT transactions are grants or awards, not open-market purchases. Both the 57-share stock option and the 23-share common stock award are coded as acquisitions under a grant, with a per-share price of $0.00.

When do Christopher A. Kuebler’s restricted WAT shares vest?

Kuebler’s award of 23 shares of Waters common stock is restricted. The restrictions lapse for 100% of these shares on February 9, 2027, after which they are no longer subject to those restrictions, assuming applicable conditions are met.

When do Christopher A. Kuebler’s WAT stock options become exercisable?

All 57 shares underlying Kuebler’s Waters stock option will vest and become exercisable on February 9, 2027. Before that date, the option is not exercisable for any shares according to the reported terms.

How many WAT shares does Christopher A. Kuebler own after these transactions?

Following the February 25, 2026 equity awards, Kuebler directly owns 17,808 shares of Waters common stock. This figure reflects his direct non-derivative holdings after adding the 23-share restricted stock grant.

What type of derivative security did Christopher A. Kuebler receive from WAT?

Kuebler received a Stock Option (Right to Buy) covering 57 shares of Waters common stock at an exercise price of $0.00 per share, which will fully vest and become exercisable on February 9, 2027.