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Top Insider Trades 8/8/13: HNSN, YRCW, MELI, MDR

|Includes:Hansen Medical, Inc. (HNSN), MDR, MELI, YRCW

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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, August 8, 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
Softbank BO Sprint S B $26,714,858
Alaska Perm Fd BO Amer Homes 4 Rent AMH JB* $25,000,000
Feinberg Larry N BO Hansen Medical HNSN JB* $9,965,226
Lasry Marc BO Yrc Worldwide YRCW B $4,060,350
Relational Investors BO Pmc Sierra PMCS B $2,973,971
Harris Donald A DIR Broadcast Intl BCST JB* $750,000
Johnson Stephen M CB,PR,CEO McDermott Intl MDR B $499,973
Seibert Jeffrey M VP,COO Orrstown Financial ORRF B $195,875
George W Whitney FO,DIR,BO Royce Focus Tr FUND JB* $189,468
Albert Conrad P DIR Genesis Energy GEL B $145,830

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

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Type
Dollar Value
Apollo Mgt Gp BO Lyondellbasell Ind LYB JS* $1,692,749,952
Galperin Marcos PR,CEO,DIR Mercadolibre MELI S $36,669,188
Fidia Farmaceutici BO Anika Therapeutics ANIK JS* $31,140,400
Einhorn David BO Einstein Noah Rest BAGL S,JS* $23,280,000
Simmons L E BO Forum Energy FET S $6,627,043
Hoovestol Wayne DIR Green Plains GPRE S $5,620,535
Nutt William J DIR Affiliated Managers AMG S $5,147,670
Miller Brian K VP,CFO Tyler Tech TYL S $4,026,004
Hartley Ross C DIR Nic EGOV S $3,654,536
Lund Steven CB,DIR Nu Skin Enterprises NUS S $3,493,200

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

Stocks: HNSN, YRCW, MELI, MDR