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Top Insider Trades 7/17/13: NAV, PDI, REGI, FB

|Includes: FB, Navistar International Corporation (NAV), PDI, REGI

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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 Wednesday, July 17, 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, 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
Icahn Carl C BO Navistar Intl NAV B $21,212,240
Rachesky Mark DIR,BO Navistar Intl NAV B $20,934,558
Sofinnova Venture BO Ocera Therapeutics TZYM JB* $2,357,323
Ivascyn Daniel J O Pimco Dyn Inc Fd PDI B $845,826
Baird W Blake CB,CEO,DIR Terreno Realty TRNO JB* $383,250
George W Whitney FO,DIR,BO Royce Focus Trust FUND JB* $140,486
Frost Phillip Md CEO,CB,BO Opko Health OPK B $133,081
Carlson Leroy E DIR Terreno Realty TRNO JB* $91,250
Honig Barry C DIR,BO Pershing Gold PGLC B $68,040
Coke Michael A PR,DIR Terreno Realty TRNO JB* $54,750

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Av Partners VIII BO Homeaway AWAY S $8,314,493
Koch Jonathan DIR Ren Energy REGI AS $4,035,850
Sze David L DIR Linkedin LNKD AS $3,170,207
George Michael A DIR Liberty Interactive LINTA AS $2,765,074
Hagedorn Robert BO Scotts Miracle Gro SMG S $1,864,865
Gamson Michael VP Linkedin LNKD AS $1,739,822
Wicki Andreas DIR Pacira Pharm PCRX AS $1,613,453
Peninsula Cap Mgt DIR Evolution Petrol EPM S $1,390,241
Levchin Max R DIR,BO YELP YELP AS $1,356,646
Schroepfer Michael CTO Facebook FB AS $1,296,081

Source: | Key to Insider Title and Trans Type Codes