As the saying goes, there are many possible reasons for an insider to sell a stock, but only one reason to buy -- they expect to make money. So let's look at two noteworthy recent insider buys. On Monday, UGI Corp. (UGI)'s Director, Frank S. Hermance, made a $1.26M buy of UGI, purchasing 35,000 shares at a cost of $35.95 each. Hermance was up about 1.4% on the purchase at the high point of today's trading session, with UGI trading as high as $36.46 in trading on Thursday. UGI Corp. is trading up about 0.5% on the day Thursday. Before this latest buy, Hermance made one other purchase in the past year, buying $1.06M shares at a cost of $30.36 each. And at Pall Corp. (PLL), there was insider buying on Monday, by Director B. Craig Owens who bought 2,935 shares at a cost of $67.82 each, for a trade totaling $199,058. This buy marks the first one filed by Owens in the past year. Pall Corp. is trading off about 0.1% on the day Thursday. This is PassFail TV for Passfail.com, taking you behind the ticker on Thursday, March 7, 2013.