Piper Jaffray said the recent insider sale from Tupperware Brands Corporation 's CEO raises succession questions and is keeping the brokerage on the sidelines.In late July, CEO and Chairman E.V. "Rick" Goings sold 150,000 shares of common stock, amounting to nearly $9.4 million. However, the details nor the purpose for the sale were disclosed. Goings has 54,456 shares remaining, totaling roughly $3.4 million).Source