Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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

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1. Name and Address of Reporting Person * HOLLERAN KEVIN 2. Issuer Name and Ticker or Trading Symbol Hayward Holdings, Inc. [HAYW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) HAYWARD HOLDINGS, INC., 1415 VANTAGE PARK DRIVE, SUITE 400 3. Date of Earliest Transaction (Month/Day/Year) 03/02/2026 (Street) CHARLOTTE, NC 28203 4. If Amendment, Date 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 (City) (State) (Zip) 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 03/02/2026 M(1) 52,389 A $1.4 800,929 D Common Stock 03/02/2026 S(1) 52,389 D $15.7289(2) 748,540 D Common Stock 03/02/2026 A(3) 17,232 A $ 0 765,772 D Common Stock 03/02/2026 F 7,486(4) D $15.98 758,286 D Common Stock 03/02/2026 F 38,133(5) D $16 720,153 D Common Stock 700 I By Child

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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 Underlying Securities (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 of Derivative Security: 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 Options (Right to Buy)

$1.4

03/02/2026

M

52,389

08/12/2021

12/24/2029

Common Stock

52,389

$ 0

2,357,403

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HOLLERAN KEVIN HAYWARD HOLDINGS, INC. 1415 VANTAGE PARK DRIVE, SUITE 400 CHARLOTTE, NC 28203	X		President and CEO

Signatures

/s/ Susan Canning, attorney-in-fact		03/04/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	The transactions reported on this Form 4 were effected pursuant to the Rule 10b5-1 trading plan adopted by the Reporting Person on August 18, 2025.
(2)	The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $15.4750 to $15.8800, inclusive. The Reporting Person undertakes to provide to the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.
(3)	Represents an award of performance based restricted stock units originally granted on March 2, 2023, the payout of which was subject to the achievement of certain performance criteria based on adjusted EBITDA and return on gross invested capital during a three-year performance period. On March 2, 2026, the Compensation Committee of the Board of Directors certified the performance achievement over the measurement period and authorized the vesting of the award. The restricted stock units converted into shares of common stock on a one-for-one basis.
(4)	Represents shares withheld to satisfy tax withholding obligations arising out of the delivery of the Common Stock underlying the performance based restricted stock units described in footnote 3 above.
(5)	Represents shares withheld to satisfy tax withholding obligations arising out of the vesting of restricted stock units.

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