Three separate corporate entities owned by Icahn collectively cut their holdings in Chesapeake Energy from 73 million shares - 9.4% of the total - to 35 million shares, or about 4.6%, the Oklahoma City-based independent said in a regulatory filing.

The companies liquidated the position over the course of a couple of days, sending Chesapeake shares down 7.3%.

Concurrently with Icahn's reduced shareholding, Chesapeake announced that two members of its board had stepped down.

The