well technically, you could easily file suit in federal court for about $300 bucks. Given that you dont care about winning the case you dont need a lawyer. you file the rather simple paperwork get it started and subpoena the transfer agent for information important to the case during discovery. you dont even have to list them as a co defendant. Once you gain access to the information you can always drop the suit and say "oh well i guess we didnt have a leg to stand on here". Or... just be a baller and try going all the way without an expensive lawyer lol. wouldn't that be fun / amazing if you actually won.