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Top Insider Trades 5/13/14: SGMS, THRX, LQDT, XON

|Includes:INVA, LQDT, Scientific Games Corp (SGMS), XON

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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 13, 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
Sun Coal & Coke DIR,BO Suncoke Energy SXCP JB* $154,696,160
Perelman Ronald O DIR,BO Scientific Games SGMS B $9,422,211
Glaxosmithkline BO Theravance THRX B $8,544,835
Mateus Tique J DIR Liquidity Services LQDT B $2,275,200
Tai Jackson P DIR Lilly Eli LLY B $1,015,438
Barrett Michael G CEO,DIR Millennial Media MM B $1,002,660
Kirk Randal J CEO,DIR,BO Intrexon XON B $990,007
Arougheti Michael CEO,DIR Ares Capital ARCC B $830,000
Drapkin Matthew A DIR Intevac IVAC B $734,619
Goldberg David Bruce DIR Graham Holdings GHC JB* $664,882

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Rc Ren En Gp BO Pattern Energy PEGI JS* $209,566,560
Page Lawrence CEO,DIR,BO Google GOOG AS $35,598,766
Heidt Julia Scripps BO Scripps Networks SNI S $15,061,500
Lilly Endowment BO Lilly Eli LLY S $12,459,300
Franklin Resources BO Dynegy DYN S $7,392,271
Finnegan John D CB,PR,DIR Chubb CB S $4,663,430
Lefkofsky Eric P CEO,DIR,BO Groupon GRPN AS $2,811,288
Ebling Thomas D CEO,DIR Demandware DWRE AS $2,473,945
Gershwind Erik CEO,DIR MSC Industrial MSM S $2,288,245
Bender James J CEO,DIR Wpx Energy WPX S $2,083,934

Source: | Key to Insider Title and Trans Type Codes