Move comes after Carl Icahn acquires 10 percent stake in company
O'Hara angered bank vice chairman James Lee when he associated with Michael Ovitz to take over the sports agency
The head of the talent management and TV production firm and former investment banker succumbed to brain cancer
Corporate raider takes hostile takeover bid for studio to the Web
Billionaire investor continues months-long efforts to expand stake in the studio
In a complex stock maneuver, Mark Rachesky boosts his stake in the company to nearly 29 percent
The independent's co-heads would run the studio if takeover plan succeeds
Lionsgate says it's working with creditors to avoid the default Icahn invokes
Excluding Icahn Group, 70 percent of shares cast in favor of "poison pill" provision
Studio's board says activist's bid is "financially inadequate, opportunistic and coercive" -- again
Sets May 4 date for special shareholder meeting
Studio's co-chair: "We believe nothing has changed"
Company acquisition of TV Guide, he said, "borders on recklessness"