here is what pinksheets responded with. The information that you are after does not publicly exist. The specific numbers with regards to total number of shares shorted is not available anywhere. Furthermore, HPNN is not even on the Threshold List, which you can access at http://www.pinksheets.com/marketactivity/reg_sho_list.jsp.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.