Dr. B can't sell based on insider information. How
Post# of 72440
"This ruling created a situation where insiders could create a trading plan in advance of a trade if they set a specific date or price at which to effect a transaction (either a purchase or a sale). When that event transpired, it triggered the trade. These trading plans are known as 10b5-1 plans."
http://www.investopedia.com/articles/stocks/07/10b5-1.asp