X0609 4 2026-09-14 false 0001637207 Planet Fitness, Inc. PLNT 0001842402 Tanco Christopher false 4 LIBERTY LANE WEST HAMPTON NH 03842 true false false false false Class A common stock 2026-09-14 4 P false 2328.00 51.2281 A 2328.00 I Trust Class A common stock 15551.00 D The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $51.22 to $51.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth herein. On September 14, 2026, Christopher Tanco, through Maligaya Trust dtd 06/06/2024, purchased 2,328 shares of Class A common stock of Planet Fitness, Inc. (the "Company"). Following the transaction, Maligaya Trust dtd 06/06/2024 held 2,328 shares of the Company's Class A common stock. /s/Darrell Chichester, Attorney-in-Fact 2026-09-16