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Waters SVP Conly reports 6,030 shares and stock units

The reported common-stock amount includes unvested restricted stock units, with 2026-plan vesting scheduled through November 26, 2028.

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Form Type
3

Rhea-AI Filing Summary

Waters Corp's SVP, Waters Biosciences, D. Steven Conly, reported direct holdings of 6,030 shares of common stock on October 29, 2026. The reported amount comprises 339 common shares, 117 unvested restricted stock units under the 2020 Equity Incentive Plan and 5,574 unvested restricted stock units under the 2026 Equity-Based Incentive Plan.

He also reported stock appreciation rights and a stock option covering 574 common shares. The 2026-plan RSUs have vesting dates through November 26, 2028, subject to continued service; the option's first vesting installment is February 25, 2027, also subject to continued service.

Insider Conly D Steven
Role SVP, Waters Biosciences
Type Security Shares Price Value
Holding Stock Appreciation Rights F3, F4 -- -- --
Holding Stock Appreciation Rights F3, F4 -- -- --
Holding Stock Appreciation Rights F3, F4 -- -- --
Holding Stock Appreciation Rights F3, F4 -- -- --
Holding Stock Appreciation Rights F3, F4 -- -- --
Holding Stock Appreciation Rights F3, F5 -- -- --
Holding Stock Appreciation Rights F3, F6 -- -- --
Holding Stock Appreciation Rights F3, F7 -- -- --
Holding Stock Option (Right to Buy) F8 -- -- --
Holding Common Stock F1, F2 -- -- --
Holdings: Stock Appreciation Rights — 15,453 contracts (Direct); Stock Option (Right to Buy) — 574 contracts (Direct); Common Stock — 6,030 shares (Direct)
Footnotes (8)
  1. F1. Represents (i) 339 shares of the Issuer's common stock, (ii) 117 unvested restricted stock units ("RSUs") awarded under the Issuer's 2020 Equity Incentive Plan, and (iii) 5,574 unvested RSUs awarded under the Issuer's 2026 Equity-Based Incentive Plan in connection with the transactions set forth in that certain Agreement and Plan of Merger, dated as of July 13, 2025 (the "Merger Agreement"), by and among the Issuer, Becton, Dickinson and Company, Augusta SpinCo Corporation and Beta Merger Sub, Inc. The RSUs awarded under the 2020 Equity Incentive Plan will vest in four substantially equal annual installments, with the first such installment vesting on February 25, 2027, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
  2. F2. (Continued from footnote 1) The RSUs awarded under the 2026 Equity-Based Incentive Plan will vest as follows: 1,529 will vest on November 26, 2026; 279 will vest on March 3, 2027; 1,624 will vest on November 26, 2027; 278 will vest on March 3, 2028; and 1,864 will vest on November 26, 2028, subject to the Reporting Person's continued service with the Issuer on each such vesting date. All RSUs are convertible into shares of the Issuer's common stock on a one-to-one basis upon vesting and settlement.
  3. F3. These stock appreciation rights were awarded under the Issuer's 2026 Equity-Based Incentive Plan in connection with the transactions set forth in the Merger Agreement.
  4. F4. These stock appreciation rights are fully vested and exercisable as of the date hereof.
  5. F5. These stock appreciation rights vest and become exercisable in four substantially equal annual installments, with the first such installment vesting and becoming exercisable on November 26, 2023, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
  6. F6. These stock appreciation rights vest and become exercisable in four substantially equal annual installments, with the first such installment vesting and becoming exercisable on November 26, 2024, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
  7. F7. These stock appreciation rights vest and become exercisable in four substantially equal annual installments, with the first such installment vesting and becoming exercisable on November 26, 2025, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
  8. F8. The shares of common stock underlying this stock option vest and become exercisable in four substantially equal annual installments, with the first such installment vesting and becoming exercisable on February 25, 2027, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
Direct common-stock holdings 6,030 shares Reported October 29, 2026; includes the components described in the footnotes
Common shares 339 shares Component of the reported direct common-stock amount
Unvested restricted stock units 117 RSUs 2020 Equity Incentive Plan
Unvested restricted stock units 5,574 RSUs 2026 Equity-Based Incentive Plan
Stock option underlying shares 574 shares Exercise price $319.4400; expires February 25, 2036
Stock appreciation rights underlying shares 1,550 shares Exercise price $411.8500; expires November 26, 2027
restricted stock units technical
"117 unvested 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.
stock appreciation rights technical
"These stock appreciation rights were awarded under the Issuer's 2026 Equity-Based Incentive Plan"
Stock appreciation rights (SARs) are a form of employee compensation that give the holder the right to receive the increase in a company's stock price over a set baseline, paid in cash or shares, without having to buy the stock. For investors, SARs matter because they can create future cash outflows or share dilution and signal how a company rewards and motivates executives — similar to giving a bonus tied directly to how well the company’s stock performs.
stock option (right to buy) technical
"Stock Option (Right to Buy)"
vesting technical
"will vest in four substantially equal annual installments"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

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

How many WAT shares did D. Steven Conly report?

D. Steven Conly reported 6,030 shares of Waters Corp common stock as direct holdings on October 29, 2026. The reported amount comprises 339 common shares, 117 unvested RSUs under the 2020 plan and 5,574 unvested RSUs under the 2026 plan.

When do D. Steven Conly's WAT restricted stock units vest?

The 2020-plan RSUs vest in four substantially equal annual installments, beginning February 25, 2027. Under the 2026 plan, 1,529 vest November 26, 2026; 279 on March 3, 2027; 1,624 on November 26, 2027; 278 on March 3, 2028; and 1,864 on November 26, 2028. Each vesting date is subject to continued service.

What WAT stock option did D. Steven Conly report?

The reported stock option covers 574 common shares and has an exercise price of $319.4400. It expires February 25, 2036; its first of four substantially equal annual vesting installments is February 25, 2027, subject to continued service.

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

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SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Conly D Steven

(Last)(First)(Middle)
C/O WATERS CORPORATION
34 MAPLE STREET

(Street)
MILFORD MASSACHUSETTS 01757

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
10/29/2026
3. Issuer Name and Ticker or Trading Symbol
WATERS CORP /DE/ [ WAT ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP, Waters Biosciences
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock6,030(1)(2)D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Appreciation Rights(3) (4)11/26/2027Common Stock1,550$411.85D
Stock Appreciation Rights(3) (4)11/26/2028Common Stock1,513$440.63D
Stock Appreciation Rights(3) (4)11/26/2029Common Stock1,295$464.5D
Stock Appreciation Rights(3) (4)11/26/2030Common Stock2,065$414.01D
Stock Appreciation Rights(3) (4)11/26/2031Common Stock1,387$446.07D
Stock Appreciation Rights(3) (5)11/26/2032Common Stock2,966$440.45D
Stock Appreciation Rights(3) (6)11/26/2033Common Stock2,738$441.98D
Stock Appreciation Rights(3) (7)11/26/2034Common Stock1,939$414.9D
Stock Option (Right to Buy) (8)02/25/2036Common Stock574$319.44D
Explanation of Responses:
1. Represents (i) 339 shares of the Issuer's common stock, (ii) 117 unvested restricted stock units ("RSUs") awarded under the Issuer's 2020 Equity Incentive Plan, and (iii) 5,574 unvested RSUs awarded under the Issuer's 2026 Equity-Based Incentive Plan in connection with the transactions set forth in that certain Agreement and Plan of Merger, dated as of July 13, 2025 (the "Merger Agreement"), by and among the Issuer, Becton, Dickinson and Company, Augusta SpinCo Corporation and Beta Merger Sub, Inc. The RSUs awarded under the 2020 Equity Incentive Plan will vest in four substantially equal annual installments, with the first such installment vesting on February 25, 2027, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
2. (Continued from footnote 1) The RSUs awarded under the 2026 Equity-Based Incentive Plan will vest as follows: 1,529 will vest on November 26, 2026; 279 will vest on March 3, 2027; 1,624 will vest on November 26, 2027; 278 will vest on March 3, 2028; and 1,864 will vest on November 26, 2028, subject to the Reporting Person's continued service with the Issuer on each such vesting date. All RSUs are convertible into shares of the Issuer's common stock on a one-to-one basis upon vesting and settlement.
3. These stock appreciation rights were awarded under the Issuer's 2026 Equity-Based Incentive Plan in connection with the transactions set forth in the Merger Agreement.
4. These stock appreciation rights are fully vested and exercisable as of the date hereof.
5. These stock appreciation rights vest and become exercisable in four substantially equal annual installments, with the first such installment vesting and becoming exercisable on November 26, 2023, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
6. These stock appreciation rights vest and become exercisable in four substantially equal annual installments, with the first such installment vesting and becoming exercisable on November 26, 2024, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
7. These stock appreciation rights vest and become exercisable in four substantially equal annual installments, with the first such installment vesting and becoming exercisable on November 26, 2025, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
8. The shares of common stock underlying this stock option vest and become exercisable in four substantially equal annual installments, with the first such installment vesting and becoming exercisable on February 25, 2027, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
Remarks:
Exhibit 24 - Power of Attorney
/s/ Kimberly Larie, attorney-in-fact for Steven Conly11/06/2026
** Signature of Reporting PersonDate
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 5 (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 3: SEC 1473 (03-26)

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