Might this old SB2 explain why there has been so much selling of late?
http://www.pinksheets.com/quote/print_filings.jsp?url=%2Fredirect.asp%3Ffilename%3D0001144204%252D05%252D003057%252Etxt%26filepath%3D%255C2005%255C02%255C02%255C&symbol=PTSC
Responses welcome.