I don't see anything that unusual
The last S-8 was 8/7/09 for 500K
The convertibles do not appear to be restricted, so they would have hit the market long before now.
The O/S tripled in the last year, stock price fell by factor of 10
Those dont match, so I suppose large holders are wary of large commercial defaults to come.
The conference call did specify (unloading) high risk liabilities, so in a sense they have also written off future profits as well.