They don't have financial reports and insurance companies don't routinely disclose ransom amounts.

Darkside has opened negotiations in the tens of millions in the past [0], with an average demand in the millions [1]

[0] https://krebsonsecurity.com/2021/05/a-closer-look-at-the-dar...

[1] https://www.areteir.com/darkside-ransomware-caviar-taste-on-...