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Top Insider Trades 5/9/13: WLT, NVR, X, FLT

|Includes:FLT, NVR, Walter Energy, Inc. (WLT), X

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In a victory for common sense, the trading behavior of company executives, directors, and large shareholders in the stocks of firms they're registered "insiders" at have been proven profitable to monitor by both academic studies and (more importantly) the experience of professional investors.

Below are lists of the top 10 mainly open-market insider purchases and sales filed at the Securities and Exchange Commission Thursday, May 9, 2013 as ranked by dollar value.

Please note, however, that these are factual lists (with edits to remove some noise), not buy and sell recommendations. Dollar value is only one metric to assess the importance of an insider transaction, and, frankly, often not even the most important metric that determines if an insider transaction is significant.

We should also point out that we are presently in a slow filing time for insiders because many companies still have their trading windows closed to their executives until their June quarter earnings are released.

But at InsiderInsights.com, we find new investment ideas just about every day using these and more intricate insider screens to determine where we should focus our subsequent fundamental and technical analysis. And while stocks don't (or shouldn't) move up or down based on insider activity alone, insiders tend to be good indicators of when real stock-moving events like earnings surprises, corporate actions, and new products may be in the offing.

So use these regular blog posts as the initial research tools they are meant to be, and click the links in the tables to analyze a company's or insider's full insider history. Also feel free to email support@insiderinsights.com with any questions on our proprietary insider data, and how it is best analyzed.

Insider Purchases
Filer Name Insider Titles Company Name Ticker Trans
Type
Dollar Value
Termeer Henri A DIR Abiomed ABMD B $1,986,410
Cooper Angus R II DIR Iberiabank IBKC B $464,059
Tokarz Michael T DIR Walter Energy WLT B $443,750
Eckert Thomas D DIR NVR NVR B $300,009
Frost Phillip Md CEO,CB,BO Opko Health OPK B $281,030
Benjamin Ann H O NB Hi Yld Str Fd NHS B $249,677
Gerber Murry DIR US Steel X B $239,094
George W Whitney FO,DIR,BO Royce Focus Trust FUND B $176,075
Frost Phillip Md DIR,BO Prolor Biotech PBTH B $157,348
Smith G Stacy DIR Independent Bank IBTX B $157,048

Source: InsiderInsights.com | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Type
Dollar Value
Balson Andrew DIR Fleetcor Tech FLT JS* $129,274,864
Brin Sergey F,DIR,BO Google GOOG AS $71,423,288
Berkshire Hathaway BO Moodys MCO S $23,788,198
Hoffman Reid DIR,BO Linkedin LNKD AS $14,963,006
Cooper William A CB,CEO,DIR TCF Financial TCB S $7,500,000
Weiner Jeff CEO,DIR Linkedin LNKD AS $6,643,652
Luddy Frederic B DIR Servicenow NOW S $5,052,590
Taylor Keith D CFO Equinix EQIX S $3,745,000
Wattles Thomas G CB,DIR Dct Ind Tr DCT S $3,111,268
Jacobson Mitchell DIR,BO MSC Industrial MSM S $2,424,150

Source: InsiderInsights.com | Key to Insider Title and Trans Type Codes

Stocks: WLT, NVR, X, FLT