X0508 4 2025-12-23 0001821806 Leslie's, Inc. LESL 0002019776 Lindquist Benjamin 2005 EAST INDIAN SCHOOL ROAD PHOENIX AZ 85016 false true false false See Remarks false Options to purchase shares 1.65 2025-12-23 4 A false 6010 0 A Common Stock, par value $0.001 per share 6010 6010 D Restricted Stock Units 0 2025-12-23 4 A false 6010 0 A Common Stock, par value $0.001 per share 6010 8627 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 Mr. Lindquist'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 Mr. Lindquist's termination of employment or service due to death; (iii) immediately upon termination of Mr. Lindquist's employment or service for "cause," or (iv) ninety days after Mr. Lindquist's termination of employment or service for any reason not specificed in 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 6,010 will vest in equal installments on December 23, 2026, December 23, 2027, and December 23, 2028, subject to Mr. Lindquist'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. SVP, General Counsel and Corporate Secretary /s/ Benjamin Lindquist 2025-12-29