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Top Insider Trades 2/4/14: PSX, YRCW, CRTX, IDIX

|Includes:CRTX, IDIX, Phillips 66 (PSX), 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 Tuesday, February 4, 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 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
Chiesi Farmaceutici BO Cornerstone Therap CRTX JB* $109,651,976
Baupost Llc Ma BO Idenix Pharm IDIX JB* $106,731,568
Lasry Marc BO Yrc Worldwide YRCW JB* $61,999,996
Sanofi BO Regeneron Pharm REGN B $59,303,100
Carlyle Mgt BO Yrc Worldwide YRCW JB* $34,999,996
Flynn James E BO Dicerna Pharm DRNA JB* $15,000,000
Coleman Daniel CEO,DIR KCG KCG JB* $8,890,662
McCormack Riley BO Arca Biopharma ABIO JB* $1,700,000
Haldeman Charles DIR KCG KCG B $1,104,430
Loomis William DIR Phillips 66 PSX B $1,000,277
Click to enlarge

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

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Type
Dollar Value
JP Morgan Inv Mgt BO Retailmenot SALE S $19,264,152
Drummond David C VP Google GOOG AS $6,966,374
Maddox Matt PR,CFO,TR Wynn Resorts WYNN S $6,210,361
Cornelius James DIR Bristol Myers BMY S $4,890,000
Daniel V Tierney Tr BO KCG KCG S $4,693,828
Elfers Jane T CEO,DIR Childrens Place PLCE AS $2,462,259
Wang Feng Ming CEO,DIR Ambarella AMBA AS $2,262,965
Miller Robert Jos DIR Wynn Resorts WYNN S $2,154,555
Peake Adam VP,SO Under Armour UA S $2,136,000
Atchison James DIR Seaworld Ent SEAS AS $1,577,451
Click to enlarge

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

Stocks: PSX, YRCW, CRTX, IDIX