Stock is Under Distribution Tecnical indicators based on On Balance Volume and A/D.
Insiders and others may be selling large blocks of cheap shares in small increments using Anonymous sellers.
Mostly, they may be "shorting against the box" or shorting the shares that they owned. This will lock in their profits and getting out without spooking the market in filing the insiders report. They will deliver the shares to their brokers to close off the shorts when the time comes.
They may also be shorting against the exercisable options and warrants. Once exercised, the shares will offset the shorts.