Waters (WAT) director awarded restricted shares and stock options

Rhea-AI Filing Summary

Ornskov Flemming reported acquisition or exercise transactions in this Form 4 filing.

Waters Corp director Flemming Ornskov reported equity awards, not open-market trades. On February 25, 2026, he received a grant of 336 shares of common stock at no cash cost, increasing his directly held common shares to 5,271.

He also received a stock option for 57 shares at no cash cost. According to the footnotes, the 336-share award is subject to restrictions that lapse on February 9, 2027, and all 57 option shares will vest and become exercisable on February 9, 2027.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Ornskov Flemming

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	57	$0.00	--
Grant/Award	Common Stock	336	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 57 shares (Direct); Common Stock — 5,271 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.

Form 4 Insider Transactions: What Each Field Means →

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^*

Ornskov Flemming

(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		336(1)	A	$0	5,271	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 Flemming Ornskov	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 Flemming Ornskov report at Waters Corp (WAT)?

Flemming Ornskov reported , not market trades. He received 336 shares of common stock and a stock option for 57 shares, both granted at no cash cost on February 25, 2026, as part of his director compensation.

How many Waters Corp (WAT) shares does Flemming Ornskov hold after this Form 4?

After these awards, Flemming Ornskov directly holds 5,271 shares of common stock. This total includes the newly granted 336 restricted shares reported on the Form 4, reflecting his updated direct ownership position at Waters Corp.

What are the vesting terms of Flemming Ornskov’s restricted stock in Waters Corp (WAT)?

The 336-share award is restricted stock with time-based vesting. All restrictions lapse on February 9, 2027, when 100% of these common shares become fully vested and no longer subject to forfeiture conditions described in the Form 4 footnote.

When will Flemming Ornskov’s Waters Corp (WAT) stock options vest and become exercisable?

The stock option covering 57 shares of Waters Corp common stock fully vests on February 9, 2027. At that time, all 57 underlying shares become exercisable under the terms described in the Form 4 footnote section.

Were Flemming Ornskov’s Waters Corp (WAT) Form 4 transactions open-market buys or sells?

No, the Form 4 shows grant or award acquisitions, not open-market trades. Both the 336 common shares and 57-share stock option were awarded at a price of $0.0000 per share, classed as grant or award transactions.

Is Flemming Ornskov’s ownership in Waters Corp (WAT) direct or indirect after these awards?

The Form 4 indicates direct ownership for these transactions. Both the 336 restricted shares and the 57-share stock option are reported with ownership code "D" and no footnote disclaimers transferring authority to another entity.