 LOS ANGELES--BUSINESS WIRE--- LFST CLASSACTION--Glancy Prongay Murray LLP GPM, a national investor rights law firm, continues its investigation on behalf of LifeStance Health Group, Inc. LifeStance or the Company NASDAQ: LFST investors concerning the Company and its officers possible violations of the federal securities laws. If you suffered a loss on your LifeStance investments or would like to inquire about potentially pursuing claims to recover your loss under the federal securities laws, y 