Waters (NYSE: WAT) SVP has 189 shares withheld to cover RSU tax

Rhea-AI Filing Summary

Waters Corp SVP Robert L. Carpio III reported a routine tax-related share disposition. On June 24, 2026, 189 shares of Waters common stock were withheld by the company to cover tax obligations tied to the vesting of previously reported restricted stock units.

These shares were not sold on the open market but used to satisfy withholding requirements. After this transaction, Carpio directly holds 3,426 shares of Waters common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Carpio Robert L III

Role SVP Waters Analytical Sciences

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	189	$369.18	$70K

Holdings After Transaction: Common Stock — 3,426 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for tax: 189 shares Withholding price: $369.18 per share Shares held after: 3,426 shares

3 metrics

Shares withheld for tax 189 shares Tax withholding on RSU vesting, June 24, 2026

Withholding price $369.18 per share Value used for tax-withholding disposition

Shares held after 3,426 shares Direct ownership after withholding

Key Terms

restricted stock units, tax withholding obligations, Common Stock

3 terms

restricted stock units financial

"vesting and settlement of previously reported restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"withheld by the Issuer to satisfy tax withholding obligations"

Common Stock financial

"Represents shares of common stock withheld by the Issuer"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/25/2026 - 05:26 PM Accepted by SEC EDGAR 06/25/2026 - 05:25 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^*

Carpio Robert L III

(Last) (First) (Middle)

C/O WATERS CORPORATION

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP Waters Analytical Sciences

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/24/2026

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	06/24/2026		F		189(1)	D	$369.18	3,426	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 shares of common stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units.

	/s/ Michael Lynn, attorney-in-fact for Robert L. Carpio III	06/25/2026
	** 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)

FAQ

What insider transaction did WAT SVP Robert L. Carpio III report?

Robert L. Carpio III reported shares withheld for taxes, not an open-market trade. The company retained 189 Waters common shares to satisfy tax obligations from vesting restricted stock units, a standard administrative transaction rather than a discretionary buy or sell.

How many WAT shares were withheld for Robert Carpio’s tax obligations?

Waters withheld 189 common shares for Robert Carpio’s tax obligations. The shares covered withholding tied to the vesting and settlement of previously reported restricted stock units, as described in the Form 4 footnote from this insider filing.

At what price were the withheld WAT shares valued in this Form 4?

The withheld 189 Waters shares were valued at $369.18 per share. This price is used for reporting the tax-withholding disposition and does not represent a separate open-market sale initiated by the executive.

How many WAT shares does Robert Carpio hold after this tax-withholding event?

After the tax-withholding event, Robert Carpio directly holds 3,426 Waters common shares. This figure, reported in the Form 4, reflects his remaining direct ownership following the 189-share withholding for tax obligations.

Was Robert Carpio’s WAT transaction an open-market sale or a routine tax withholding?

The transaction was routine tax withholding, not an open-market sale. Waters withheld 189 shares to satisfy tax obligations from vesting restricted stock units, a non-discretionary event common in equity compensation programs.