Word: biderman
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...last time insider selling was as high as it is now was in the period from late 2006 to late 2007. It was right after that insider-selling surge that the stock market began its long painful decline, says Charles Biderman, CEO of TrimTabs, an independent institutional research firm...
...Biderman believes that insider trades shoot higher when there's a disconnect between broad market opinions and what business executives feel in their gut. "When [insiders think] things are going better than most people think, they buy stock," he says. "When things are going worse than people think, they sell." (Read "Q&A: Why the Stock Market Looks Bullish for Autumn...
...Biderman has measured the ratio of insider selling to buying since 2004, and says historically the ratio is 7 to 1. (Insiders almost always sell more than they buy because they receive stock as part of their compensation.) Right now the ratio is 30, one of the highest he's recorded. November 2007 is the last time the ratio even came close...
Maybe that's why many of the site's new members are female. Biderman says the proportion of women on the site has grown from 15% - when the service quietly launched in 2001 - to nearly 30% today. (See the 50 best websites...
...that, Biderman offers no apologies. "Humans aren't meant to be monogamous," he says. So would this free-thinking CEO mind if his own wife used his site? "I would be devastated," he says...