Yes, at least if they joined in 2020 or later. I interviewed and got an offer around that time, post for-profit conversion, and the pitch was that the "shares" (actually, profit sharing rights) would be bought by investors every few years.
(FWIW, I ended up not taking the position, mainly because I would not have enjoyed the specific work they wanted to hire me for.)
(FWIW, I ended up not taking the position, mainly because I would not have enjoyed the specific work they wanted to hire me for.)