LOS ANGELES (AP) — The National Association of Realtors is grappling with more turmoil in its top leadership ranks just over two months after the trade group’s CEO stepped down well before his planned retirement.

The Chicago-based organization said Monday that NAR president Tracy Kasper has resigned, effective immediately, and is being succeeded by the trade group’s president-elect, Kevin Sears.

In a statement, the NAR said Kasper recently received a “threat to disclose a past personal, non-financial matter unless she compromised her position at NAR.”

Kasper refused to comply and reported the threat to law enforcement, the NAR said. Kasper’s sudden departure is the latest in a recent string of executive changes at the NAR.