OTCMarkets has a few answers for you in their TVOG Overview: Dark or Defunct Shell Risk "Warning! This company may not be making material information publicly available Buying or selling a security on the basis of material nonpublic material information is prohibited under Section 10(b) of the Securities Exchange Act of 1934 and Rules 10b-5 and 10b5-1 thereunder. Violators may be subject to civil and criminal penalties."