Also, the "date of event" is 10/8, which is before the price fall. Between 9/1 and 10/8 about 10 million shares were traded. He's either been buying for a long time or he represented more than 50% of the buy side during that period, all without making the price move very much.
Not sure if it's the same David Tice, but someone by that name runs a web site called "The Prudent Bear, One stop shop for the Bear Case".
The only thing necessary for the triumph of evil is for good men to do nothing. EDMUND BURKE (and others)