MSD Partners, L.P. - 10 Jun 2025 Form 4 Insider Report for Hayward Holdings, Inc. (HAYW)

Role: Director
Signature: MSD PARTNERS, L.P. By: MSD Partners (GP), LLC Its: General Partner By: /s/ Robert K. Simonds Name: Robert K. Simonds Title: Authorized Signatory
Issuer symbol: HAYW
Transactions as of: 10 Jun 2025
Transactions value $: $0
Form type: 4
Filing time: 12 Jun 2025, 16:42:41 UTC
Previous filing: 27 Nov 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MSD Partners, L.P.	Director	550 MADISON AVENUE, 20TH FLOOR, NEW YORK	MSD PARTNERS, L.P. By: MSD Partners (GP), LLC Its: General Partner By: /s/ Robert K. Simonds Name: Robert K. Simonds Title: Authorized Signatory	12 Jun 2025	0001514334

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HAYW	Common Stock	Other	$0	-1.19M	-100%	$0.00	0	10 Jun 2025	See Footnote	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Pro rata distribution by MSD Aqua Partners, L.P. ("MSD Aqua LP") to its partners for no consideration.
F2	MSD Aqua LP is the record holder and direct beneficial owner of these shares of the Issuer's common stock. MSD Partners, L.P. ("MSD Partners") is the investment manager of MSD Aqua LP and may be deemed to beneficially own securities owned by MSD Aqua LP. MSD Partners (GP), LLC ("MSD GP") is the general partner of MSD Partners and may be deemed to beneficially own securities owned by MSD Partners. Gregg R. Lemkau maintains investment discretion over this investment and therefore may be deemed to beneficially own securities beneficially owned by MSD GP. Mr. Lemkau disclaims beneficial ownership of such securities except to the extent of any pecuniary interest therein.

Content

Pro rata distribution by MSD Aqua Partners, L.P. ("MSD Aqua LP") to its partners for no consideration.

MSD Aqua LP is the record holder and direct beneficial owner of these shares of the Issuer's common stock. MSD Partners, L.P. ("MSD Partners") is the investment manager of MSD Aqua LP and may be deemed to beneficially own securities owned by MSD Aqua LP. MSD Partners (GP), LLC ("MSD GP") is the general partner of MSD Partners and may be deemed to beneficially own securities owned by MSD Partners. Gregg R. Lemkau maintains investment discretion over this investment and therefore may be deemed to beneficially own securities beneficially owned by MSD GP. Mr. Lemkau disclaims beneficial ownership of such securities except to the extent of any pecuniary interest therein.