I do not believe that it is Just naked shorts or any other shorting.
I think that it is also funds in trouble, or fund managers needing to show stability are selling bit by bit to forstall their clients from abandoning them.

Also potential buy out may be in the wings.
One of my stock last fall dived for no apparent reason and to an extent that seemed, no not seemed, it was Ridiculous. Guess what.
Within a month a buyout offer came up and the justification for my acceptance was that the offer was three times the current share price. On paper it was a Wow!
In reality it was sheer robbery.
To cut to the chase, we could be facing somebody who desperately wants to aquire shares ( i.e. voting rights) and at the same time keep our share price low so that his offer would look great by comparison.
Patience does it.