Wei Jiang acquires 72.91 WAT stock units under deferred plan

Rhea-AI Filing Summary

The reporting person, Wei Jiang, a director of Waters Corp (WAT), received 72.91 common stock units on 09/30/2025 in lieu of cash director fees under the issuer's 1996 Non-Employee Director Deferred Compensation Plan. Those units convert one-for-one into shares on distribution, and the reporting person elected to have distributions occur on January 1, 2035. Following the transaction the reporting person beneficially owns 2,551.48 shares (or equivalent units). The units were reported as acquired at a price of $0 and were signed on behalf of the reporting person by an attorney-in-fact.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Jiang Wei

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	72.91	$0.00	--

Holdings After Transaction: Common Stock — 2,551.48 shares (Direct)

Footnotes (1)

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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).

1. Name and Address of Reporting Person^*

Jiang Wei

(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)
09/30/2025

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	09/30/2025		A		72.91(1)	A	$0	2,551.48	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

Explanation of Responses:

1. Represents common stock units received in lieu of cash payment of director fees pursuant to the Issuer's 1996 Non-Employee Director Deferred Compensation Plan. Common stock units are convertible into shares of the Issuer's common stock on a one-for-one basis upon distribution, which will occur on January 1, 2035, pursuant to an election previously made by the Reporting Person.

	/s/ Michael Lynn, attorney-in-fact for Wei Jiang	10/02/2025
	** 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 transaction did Wei Jiang report for WAT on 09/30/2025?

The report shows Wei Jiang acquired 72.91 common stock units on 09/30/2025 under the company’s director deferred compensation plan.

How many Waters Corp (WAT) shares does the reporting person beneficially own after the transaction?

The filing reports beneficial ownership of 2,551.48 shares (or share-equivalent units) following the transaction.

When will the deferred common stock units convert to shares for Wei Jiang?

The common stock units are convertible one-for-one into shares upon distribution, which the reporting person elected to occur on January 1, 2035.

What was the reported price for the acquired units?

The units were reported as acquired at a price of $0 as they were issued in lieu of cash director fees.

Under which plan were the units issued to the director?

The units were issued pursuant to the issuer’s 1996 Non-Employee Director Deferred Compensation Plan.