 Koss family members, part-owners of headphones maker Koss Corp., as well as company executives and directors, sold more than 44 million in the companys shares, according to CNBC analysis, as the price swelled during the recent run-up fueled by retail investors. The sales have taken place over the past week. Members of the family sold 31 million of the stock, according to CNBCs report Thursday based on filings with the US Securities and Exchange Commission. That amount was more than the market capitalization of roughly 26 million before the shares jumped in price. 