Earlier quoted context omitted.
EDIT: I actually read the S1 excerpt wrong. Update: Note that it is carefully worded: "Our directors, executive officers and holders of a substantial portion of our capital stock and securities convertible into our capital stock". What probably happened is that the company required holders of only a "substantial portion" of stock to sign updated agreements with the underwriters. Neither I nor any of my Lyft stockhold…
Source?
Yes, this is a lame answer, but any viewer who has Lyft stock or has friends that do can verify for themselves.