FinCEN whistleblowers may receive 10% to 30% of collected sanctions when...

https://mighty-wiki.win/index.php/How_Much_Does_FinCEN_Pay_Whistleblowers%3F

FinCEN whistleblowers may receive 10% to 30% of collected sanctions when penalties exceed the $1 million threshold. Awards aren’t assured, and cases can take 2 to 5 years. Review the rules before reporting.