Section 12 of the Exchange Act dictates who reports and who doesn't as far as insiders--be it Form 3,4,5 or 13d and 13 g... Medizone has zero shares registered under Sec 12 of the Exchange Act... Notice the reference in all these docs to Section 12: http://www.sec.gov/answers/form345.htm para 2 http://www.sec.gov/answers/sched13.htm para 2 pg 125 Sec 13(d)1 and pg 131 Sec 13(g)1: http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&ved=0CDYQFjAB&url=http%3A%2F%2Fwww.sec.gov%2Fabout%2Flaws%2Fsea34.pdf&ei=vQbKUaugFeK80gHZ1YGgDQ&usg=AFQjCNFa-WLy-uPbutjJSd0RdZyNf6TUvw&bvm=bv.48293060,d.dmQ