Just two weeks ago federal regulators taught three companies some costly lessons about not trying to hide bad news. Tuesday some investors schooled a major hedge fund on the same issue.

Och-Ziff Capital Management Group, one of the world’s largest hedge funds, agreed Tuesday to pay nearly $29 million to settle a class action suit accusing the company of not disclosing a material fact—an African bribery investigation carried out by federal prosecutors from 2014 to 2016.