Waters director Jiang Wei granted stock units

Jiang Wei reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Jiang Wei reported acquisition or exercise transactions in this Form 4 filing.

Waters Corp director Jiang Wei reported an equity-based compensation grant. On this Form 4, Jiang received 64.06 common stock units in lieu of cash director fees under the company’s 1996 Non-Employee Director Deferred Compensation Plan.

The units are convertible into shares of Waters common stock on a one-for-one basis and are scheduled to be distributed on January 1, 2036, pursuant to a prior election. After this award, Jiang directly holds 3,505.33 common stock units/shares-equivalent.

Insider Trade Summary

Grant/Award: 64.06 shares

Grant/Award 1 txn

Insider Jiang Wei

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	64.06	$0.00	$0.00

Holdings After Transaction: Common Stock — 3,505.33 shares (Direct)

Footnotes (1)

1. F1. 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, 2036, pursuant to an election previously made by the Reporting Person.

Key Figures

Stock units granted: 64.06 units Total holdings after grant: 3,505.33 units Conversion ratio: 1 unit = 1 share +1 more

4 metrics

Stock units granted 64.06 units Common stock units granted in lieu of director fees

Total holdings after grant 3,505.33 units Direct common stock units/shares-equivalent after transaction

Conversion ratio 1 unit = 1 share Common stock units convertible into common stock

Distribution date January 1, 2036 Scheduled date units convert to Waters common shares

Key Terms

common stock units, 1996 Non-Employee Director Deferred Compensation Plan, convertible into shares, one-for-one basis, +1 more

5 terms

common stock units financial

"Represents common stock units received in lieu of cash payment"

A common stock unit is a tradable ownership interest that represents one or more ordinary shares in a company, giving the holder a stake in profits, a claim on assets after creditors, and usually voting rights on corporate matters. For investors it matters because these units determine how much of the company you own, how much influence you have, and how returns or losses are shared—think of owning slices of a pie that can be increased or diluted by the company’s actions.

1996 Non-Employee Director Deferred Compensation Plan financial

"pursuant to the Issuer's 1996 Non-Employee Director Deferred Compensation Plan"

convertible into shares financial

"Common stock units are convertible into shares of the Issuer's common stock"

one-for-one basis financial

"convertible into shares of the Issuer's common stock on a one-for-one basis"

distribution financial

"upon distribution, which will occur on January 1, 2036"

A distribution is a payment or transfer of value from a company, fund, or trust to its shareholders or unit holders, commonly made in cash, additional shares, or other assets. Investors care because distributions provide income, reflect how much cash a business or fund can return to owners, can influence yield and taxable income, and often affect the share price much like a store handing out a portion of its profits to customers.

FAQ

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

What did Jiang Wei report in this Waters (WAT) Form 4 filing?

Jiang Wei reported receiving 64.06 common stock units of Waters Corp as an equity award. These units were granted instead of cash director fees and are part of the company’s non-employee director deferred compensation program, to be settled in shares at a future date.

Is Jiang Wei buying or selling Waters (WAT) shares in this transaction?

Jiang Wei is not buying or selling shares on the market; this is an acquisition through a grant. The Form 4 shows 64.06 common stock units received as compensation, rather than a discretionary open-market purchase or sale of Waters common stock.

When will Jiang Wei’s Waters (WAT) common stock units be distributed?

The common stock units are scheduled to be distributed on January 1, 2036. At that time, they convert into Waters common shares on a one-for-one basis, based on an earlier election made by Jiang Wei under the deferred compensation plan’s rules.

What plan governs Jiang Wei’s stock unit grant at Waters (WAT)?

The grant is made under Waters Corp’s 1996 Non-Employee Director Deferred Compensation Plan. Under this plan, directors can receive common stock units instead of cash fees, with those units later converting into common shares on pre-elected distribution dates.

How many Waters (WAT) shares or units does Jiang Wei hold after this grant?

Following this grant, Jiang Wei directly holds 3,505.33 common stock units or shares-equivalent. This total includes the newly awarded 64.06 units and reflects the director’s reported direct beneficial interest in Waters equity after the compensation transaction.

How do Jiang Wei’s Waters (WAT) stock units convert into common shares?

Each common stock unit converts into one share of Waters common stock on distribution. For this award, distribution is scheduled for January 1, 2036, meaning 64.06 additional Waters shares are expected to be issued to Jiang Wei at that future date.

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

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Accepted by SEC EDGAR 04/02/2026 - 05:03 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^*

Jiang Wei

(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)
03/31/2026

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	03/31/2026		A		64.06(1)	A	$0	3,505.33	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, 2036, pursuant to an election previously made by the Reporting Person.

	/s/ Michael Lynn, attorney-in-fact for Wei Jiang	04/02/2026
	** 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)