STOCK TITAN

Waters Corp (WAT) director Heather Knight reports new equity awards

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Waters CorpDecember 31, 2025, she received 59.79 common stock units in lieu of cash director fees under the 1996 Non-Employee Director Deferred Compensation Plan. These units convert to common shares on a one-for-one basis, with distribution scheduled for January 1, 2027, based on a prior election.

On January 2, 2026, she was granted 307 shares of restricted common stock, which remain subject to restrictions that lapse in full on January 2, 2027. She also received a stock option for 828 shares at an exercise price of $381.96 per share. All 828 option shares will vest and become exercisable on January 2, 2027. After these transactions, she directly owned 1,126.07 shares of common stock and 828 stock options.

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Insider Knight Heather
Role Director
Type Security Shares Price Value
Grant/Award Stock Option (Right to Buy) 828 $0.00 --
Grant/Award Common Stock 307 $0.00 --
Grant/Award Common Stock 59.79 $0.00 --
Holdings After Transaction: Stock Option (Right to Buy) — 828 shares (Direct); Common Stock — 1,126.07 shares (Direct)
Footnotes (1)
  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, 2027, pursuant to an election previously made by the Reporting Person. Represents shares of common stock subject to restrictions that lapse with respect to 100% of the shares on January 2, 2027. All of the shares of common stock underlying this stock option will vest and become exercisable on January 2, 2027.
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)
12/31/2025
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 12/31/2025 A 59.79(1) A $0 819.07 D
Common Stock 01/02/2026 A 307(2) A $0 1,126.07 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) $381.96 01/02/2026 A 828(3) 01/02/2027 01/02/2036 Common Stock 828 $0 828 D
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, 2027, pursuant to an election previously made by the Reporting Person.
2. Represents shares of common stock subject to restrictions that lapse with respect to 100% of the shares on January 2, 2027.
3. All of the shares of common stock underlying this stock option will vest and become exercisable on January 2, 2027.
/s/ Michael Lynn, attorney-in-fact for Heather Knight 01/05/2026
** 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 transaction did Waters Corp (WAT) disclose for Heather Knight?

The company reported that director Heather Knight received 59.79 common stock units in lieu of cash fees, 307 restricted shares of common stock, and a stock option for 828 shares at an exercise price of $381.96 per share.

When do Heather Knight's Waters Corp (WAT) equity awards vest or settle?

The common stock units are scheduled for distribution on January 1, 2027. The 307 restricted shares vest 100% on January 2, 2027, and all 828 option shares vest and become exercisable on January 2, 2027.

How many Waters Corp (WAT) shares does Heather Knight own after these transactions?

Following the reported transactions, Heather Knight beneficially owned 1,126.07 shares of common stock directly and 828 stock options directly.

What is the purpose of the common stock units reported for Waters Corp (WAT)?

The 59.79 common stock units were received in lieu of cash payment of director fees under Waters Corp's 1996 Non-Employee Director Deferred Compensation Plan, and each unit is convertible into one share of common stock upon distribution.

What are the key terms of Heather Knight's Waters Corp (WAT) stock option grant?

The stock option covers 828 shares of Waters Corp common stock at an exercise price of $381.96 per share. All shares underlying the option vest and become exercisable on January 2, 2027, with an expiration date of January 2, 2036.

Is Heather Knight a director or officer at Waters Corp (WAT)?

Heather Knight is reported as a Director of Waters Corp and is not identified in this filing as a 10% owner or officer.