UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

LESLIE’S, INC.

(Exact name of Registrant as Specified in Its Charter)

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.07 Submission of Matters to a Vote of Security Holders.

On March 24, 2026, Leslie’s, Inc. (the “Company”) held its 2026 annual meeting of shareholders (the "2026 Annual Meeting"). At the 2026 Annual Meeting, shareholders: (i) approved the (a) election of three Class II directors, each to serve for a one-year term expiring at the 2027 annual meeting of the shareholders (the “2027 Annual Meeting”) or until their successors are duly elected and qualified, or until their earlier death, resignation, retirement, disqualification or removal; and (b) approved the election of one Class III director, to serve for a one-year term expiring at the 2027 Annual Meeting or until his successor is duly elected and qualified, or until his earlier death, resignation, retirement, disqualification or removal; (ii) ratified the selection of Grant Thornton LLP as the independent registered public accounting firm for the Company for the fiscal year ending October 3, 2026; (iii) approved on a non-binding advisory basis, the compensation paid to the Company's named executive officers; (iv) did not approve the proposed Amendments to the Certificate of Incorporation of Leslie’s, Inc. to remove and replace supermajority voting requirements; and (v) approved the adoption of the Leslie’s, Inc. Amended and Restated 2020 Omnibus Incentive Plan.

Set forth below are the votes cast for, against, or withheld, as well as the number of abstentions and broker non-votes, as to each item of business at the 2026 Annual Meeting, as applicable:

(1) Election of three Class II director nominees and one Class III director nominee:

(1.01 - 1.03) Class II Nominees

(1.04) Class III Nominee

(2) Ratification of selection of Grant Thornton LLP as the Company's Independent Registered Public Accounting Firm for the fiscal year ending October 3, 2026.

(3) Non-Binding, Advisory Vote to Approve Named Executive Officer Compensation.

(4) Did not approve amendments to the Certificate of incorporation of Leslie's, Inc. to remove and replace supermajority voting requirements.

(5) Approval of the Leslie's Inc. Amended and Restated 2020 Omnibus Incentive Plan.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 26, 2026