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Top Insider Trades 11/20/12: FB, AAPL, AGCO, WCRX

|Includes:AAPL, AGCO, Facebook (FB), WCRX

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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, November 20, 2012 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
Srinivasan Mallika DIR AGCO AGCO AB $10,050,535
Jbs Usa BO Pilgrims Pride PPC JB* $5,463,228
Naqu AP Pharma BO Novabay Pharm NBY JB* $1,500,000
Rose Matthew K DIR At & T T B $1,354,000
Iger Robert A DIR Apple AAPL B $1,002,770
Baralonco BO Iridium Comms IRDM B,JB* $821,656
Crum John A PR,CEO,DIR Midstates Petroleum MPO B $275,950
Thomas James A CB,PR,CEO Thomas Properties TPGI B $265,555
Bailey Keith E DIR Markwest Energy LP MWE B $251,404
Moss George E DIR,BO SJW SJW B $235,735

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

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Type
Dollar Value
Murray Stephen P DIR Warner Chilcott WCRX JS* $58,300,000
Delek Hungary BO Delek Us DK JS* $56,870,000
Andreessen Marc L DIR Facebook FB AS $54,159,664
Eternity Four Trust BO Carnival CCL AS $36,236,792
Brown & Williamson BO Reynolds American RAI JS* $34,655,560
Mastercard Foundation BO Mastercard MA S $13,334,323
Cook Scott D CB,DIR Intuit INTU AS $11,759,780
Graham Donald DIR Facebook FB AS $6,722,449
Garrison Earl Wayne DIR Hunt J B Transport JBHT S $5,951,900
Shillman Robert J CB,DIR Cognex CGNX S $5,336,943

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

Stocks: FB, AAPL, AGCO, WCRX