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Top Insider Trades 5/6/14: ELX, YELP, RGS, ARAY

|Includes: ARAY, Emulex Corporation (ELX), RGS, YELP

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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 Tuesday, May 6, 2014 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, 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 with any questions on our proprietary insider data, and how it is best analyzed.

Insider Purchases
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Celgene BO Acceleron Pharma XLRN JB* $47,146,000
Zoley George C CB,CEO GEO GEO B $1,584,700
Daichendt Gary J DIR Emulex ELX B $940,680
Beltzman Daniel DIR,BO Regis RGS B $663,596
Gray Brian Gerald J DIR RenaissanceRe RNR B $507,600
Saponas Thomas DIR Procera Networks PKT B $434,000
Levine Joshua PR,CEO Accuray ARAY B $407,500
Szymanczyk Michael DIR Dominion Res D B $354,842
Dolan Scott J CEO,DIR Castle A M CAS B $311,603
Langone Kenneth DIR Unifi UFI B $303,231

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Bain Capital BO Burlington Stores BURL JS* $263,000,080
Gates William DIR Microsoft MSFT AS $160,642,240
Brown Williamson BO Reynolds Amer RAI S $24,125,266
George Jean DIR Acceleron Pharma XLRN S $9,242,502
Kania Edwin M Jr DIR Acceleron Pharma XLRN S $9,220,986
Walter W Edward PR,CEO Host Hotels HST S $4,262,725
Fenton Peter H DIR YELP YELP S $3,853,587
Comas Daniel L VP,CFO Danaher DHR S $2,930,065
Will Paul CEO,DIR Celadon CGI S $2,212,678
Aldrich David J CEO,DIR Skyworks Solutions SWKS S $2,070,500

Source: | Key to Insider Title and Trans Type Codes