X0508 4 2025-12-23 0001821806 Leslie's, Inc. LESL 0001911929 College Amy 2005 EAST INDIAN SCHOOL ROAD PHOENIX AZ 85016 false true false false See Remarks false Option to purchase shares 1.65 2025-12-23 4 A false 8914 0 A Common Stock, par vale $0.001 per share 8914 8914 D Restricted Stock Units 0 2025-12-23 4 A false 8914 0 A Common Stock, par value $0.001 per share 8914 24198 D Represents options to purchase shares ("Options") that will vest and become exercisable with respect to 33.3% of total shares on each of December 23, 2026, December 23, 2027, and December 23, 2028, subject to Ms. College's contiued employment through the applicable vesting date. All of the Options will expire upon the earliest of (i) December 23, 2035; (ii) twelve months after Ms. College's termination of employment or service due to death; (iii) immediately upon termination of Ms. College's employment or service for "cause," or (iv) ninety days after Ms. College's termination of employment or service for any reason not specificed int the foregoing (ii) or (iii). Each Restricted Stock Unit ("RSU") respesents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's Common Stock. Represents a grant of RSUs, of which 8,914 will vest in equal installments on December 23, 2026, December 23, 2027, and December 23, 2028, subject to Ms. College's continuous employment or services with the Issuer or an affiliate until the applicable vesting date. Reflects adjustments made in connection with the 1-for-20 reverse stock split of the Issuer's Common Stock, effective September 29, 2025. Chief Merchandising and Supply Chain Officer /s/ Benjamin Lindquist, as Attorney-in-Fact for Amy College 2025-12-29