The folks would have to pony up if he is a no-show.
https://www.reuters.com/business/how-did-bankman-fried-secure-250-mln-bail-2022-12-22/
Apparently, there were two other well-heeled signers, too ...
https://nypost.com/2022/12/23/bill-ackman-slams-sam-bankman-frieds-250m-bond-deal/