Director at Waters (NYSE: WAT) awarded stock and options

Rhea-AI Filing Summary

Waters Corporation director Heather Knight reported awards of both stock options and restricted common shares. She received stock options for 57 shares at an exercise price of $0.0000 per share and a grant of 23 common shares, all as awards rather than open-market purchases.

The 23 common shares are subject to restrictions that lapse for all of the shares on February 9, 2027. All 57 option shares will vest and become exercisable on February 9, 2027. After these grants, her directly owned common shares total 1,149.070.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Knight Heather

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 — 1,149.07 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 - 07:22 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^*

Knight Heather

(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	1,149.07	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 Heather Knight	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 did Heather Knight acquire in this Form 4 at WAT?

Heather Knight received 57 stock options and 23 shares of common stock in award transactions. These are grants from Waters Corporation, not open-market purchases, and represent additional equity-based compensation for her role as a director.

When do Heather Knight’s Waters Corp stock awards vest?

The 23 restricted common shares and all 57 option shares vest on February 9, 2027. At that date, restrictions on the common shares lapse and the options become exercisable, aligning her potential ownership with long-term company performance.

How many Waters Corp common shares does Heather Knight own after this filing?

Following these equity awards, Heather Knight directly holds 1,149.070 shares of Waters common stock. This total includes the newly granted 23 shares that are currently restricted until their restrictions lapse on February 9, 2027.

Were Heather Knight’s Waters Corp transactions open-market buys or grants?

Both transactions are grant or award acquisitions, not open-market buys. The Form 4 uses transaction code “A” and describes them as grant, award, or other acquisition, indicating equity compensation rather than a discretionary market purchase.

What type of derivative security did Heather Knight receive from Waters Corp?

She received a stock option (right to buy) covering 57 shares of Waters common stock at an exercise price of $0.0000 per share. The option vests and becomes fully exercisable on February 9, 2027, according to the filing.