POOL CORP

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

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o Preliminary Proxy Statement

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ý Definitive Proxy Statement

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o Soliciting Material under § 240.14a-12

Pool Corporation

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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Notice of 2026 Annual Meeting

and Proxy Statement

Wednesday, April 29, 2026

9:00 a.m. Eastern Time

Online at

www.virtualshareholdermeeting.com/POOL2026

Dear Fellow Shareholder,

I am pleased to invite you to attend our 2026 annual meeting of stockholders (the Annual Meeting) on Wednesday, April 29, 2026, at 9:00 a.m. Eastern Time. The Annual Meeting will be held in a virtual-only format, via live webcast, and there will not be a physical meeting location. You will be able to virtually attend the Annual Meeting, vote and submit your questions by following the instructions in the accompanying proxy materials.

Your vote is important to us. The accompanying Annual Notice of Meeting and Proxy Statement describe the matters being voted on and contain other information relating to Pool Corporation. Please read these materials carefully. Whether or not you plan to virtually attend the meeting, please ensure that your shares are represented by giving us your proxy. You can do so by telephone, by internet or by signing and dating the enclosed proxy form and returning it promptly by mail.

We value your investment in Pool Corporation, and we look forward to your participation in the Annual Meeting.

Sincerely,

Peter D. Arvan

President, Chief Executive Officer and Director

NOTICE OF 2026 ANNUAL MEETING OF STOCKHOLDERS

Pool Corporation (the Company, we, us orour) cordially invites you to virtually attend its 2026 annual meeting of stockholders (the Annual Meeting) on Wednesday, April 29, 2026, at 9:00 a.m. Eastern Time. The Annual Meeting will be held in a virtual meeting format only. You will not be able to physically attend the Annual Meeting. You will be able to virtually attend the Annual Meeting, vote and submit your questions by visitingwww.virtualshareholdermeeting.com/POOL2026, entering the 16-digit control number included on your enclosed proxy card and following the instructions for participation and voting.

At the Annual Meeting, you will be asked to:

1. elect the nine director nominees named in our attached Proxy Statement, each to serve a one-year term or until their successors have been elected and qualified;

2. ratify the retention of Ernst & Young LLP, certified public accountants, as our independent registered public accounting firm for the 2026 fiscal year; and

3. cast a non-binding advisory vote to approve the compensation of our named executive officers as disclosed in our attached Proxy Statement (the say-on-pay vote).

Stockholders will consider any other business which may properly come before the Annual Meeting. The accompanying Proxy Statement describes the matters being voted on and contains other information relating to Pool Corporation. Please read it carefully.

The Board of Directors has set Thursday, March 12, 2026, as the record date for the Annual Meeting. If you owned shares of the Company’s common stock at the close of business on that date, you are entitled to receive this notice and to vote on the matters to be brought before the Annual Meeting or any adjournments or postponements thereof.

By Order of the Board of Directors,

Corporate Secretary

Covington, Louisiana

March 26, 2026

Every stockholder’s vote is important. Please sign, date and return the enclosed proxy card, or authorize your proxy by telephone or via the internet as instructed on the proxy card, whether or not you plan to attend the Annual Meeting. See “Frequently Asked Questions Regarding Attendance and Voting” for information about voting by telephone or internet.

Important notice regarding the availability of proxy materials for the Annual Meeting to be held on April 29, 2026:

This notice and the Company’s 2026 Proxy Statement and Annual Report to Stockholders for the fiscal year ended December 31, 2025 are available athttp://ir.poolcorp.com/proxy-statements-annual-reports.

TABLE OF CONTENTS

We include website addresses throughout this Proxy Statement for reference only. The information contained or referenced on our website and other websites mentioned in this Proxy Statement are not a part of this Proxy Statement and are not deemed incorporated by reference into this Proxy Statement or any of our other public filings made with the Securities and Exchange Commission (SEC).

Except for historical and factual information contained herein, matters set forth in our 2026 proxy materials identified by words such as “expects,” “believes,” “will” and similar expressions are forward-looking statements as defined by the federal securities laws and are subject to the “safe harbor” protection thereunder. Actual events and results may differ materially from those anticipated by us in those statements due to several factors, including those disclosed in our other filings with the SEC. We may change our intentions or plans discussed in our forward-looking statements without notice at any time and for any reason.