Stocks That Insiders Are Buying and Selling May 2011

Here is a current list of the top 10 insider buys and sells from last month. In total, the top 10 insiders sold shares in an amount of USD 5.2 billion. Roughly USD 0.21 billion were bought from the top 10 insiders. The sale to buy ratio amounts to 24.82.

TOP 10 LARGEST SALES IN LAST 30 DAYS
SYMBOL	COMPANY	AMOUNT
SIRO	SIRONA DENTAL SYSTEMS INC	1,571.05
LYB	LYONDELLBASELL INDUSTRIES N V	698.88
MSFT	MICROSOFT CORP	504.52
TFM	FRESH MARKET INC	488.83
ROC	ROCKWOOD HOLDINGS INC	434.43
ACOM	ANCESTRY COM INC	375.42
PCS	METROPCS COMMUNICATIONS INC	362.07
DHX	DICE HOLDINGS INC	315.74
THR	THERMON GROUP HOLDINGS INC	229.2
VRX	VALEANT PHARMACEUTICALS INTERNATIONL INC	227.47
Total		5,207.61
TOP 10 LARGEST PURCHASES IN LAST 30 DAYS
SYMBOL	COMPANY	AMOUNT
HPP	HUDSON PACIFIC PROPERTIES INC	92.47
EQY	EQUITY ONE INC	38.74
CHBT	CHINA BIOTICS INC	19.12
ULBI	ULTRALIFE CORP	18.39
BKS	BARNES & NOBLE INC	11.15
FURX	FURIEX PHARMACEUTICALS INC	6.92
STEC	STEC INC	6.42
NSPH	NANOSPHERE INC	6
TDG	TRANSDIGM GROUP INC	5.63
SCLW	SOCIALWISE INC	5
Total		209.84

An insider is a person who has the function as officer, director, key employee or large shareholder with potential access to non-public information about the company. Insiders have until the 10th of the month to file a Form 4 covering a trade in the previous month. Insider trades could indicate that insiders, those who probably know the company best, are confident of its future success. Insider buys and sells are no perfect indicators, but they often show the intension of better informed persons to its investments. In many cases, the company was getting worse after insider sold stocks and vice versa.



Related stock ticker symbols sales:
SIRO, LYB, MSFT, TFM, ROC, ACOM, PCS, DHX, THR, VRX


Related stock ticker symbols buys:
HPP, EQY, CHBT, ULBI, BKS, FURX, STEC, NSPH, TDG, SCLW