X0306 4 2019-04-09 false 0001637207 Planet Fitness, Inc. PLNT 0001649552 Rondeau Christopher C/O PLANET FITNESS, INC. 4 LIBERTY LANE WEST HAMPTON NH 03842 true true false false Chief Executive Officer Class A common stock 2019-04-09 4 A false 11002.00 A 39832.00 D Option to purchase Class A common stock 70.44 2019-04-09 4 A false 33449.00 0.00 A 2029-04-09 Class A common stock 33449.00 561462.00 D Represents the grant of restricted stock units with respect to shares of the issuer's common stock that vests in equal installments on each of the first four anniversaries of the date of grant. Represents the grant of an option to purchase shares of Class A common stock that vest in equal installments on each of the first four anniversaries of the date of grant. /s/ Justin Vartanian, Attorney-in-Fact 2019-04-11