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Top Insider Trades 11/28/12: C, CHTR, NGL, CHK

|Includes: Citigroup Inc. (C), CHK, CHTR, NGL

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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, November 28, 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
EMC BO VMware VMW B $6,645,398
Srinivasan Mallika DIR AGCO AGCO AB $3,332,952
Coliseum Capital Mgt DIR,BO Providence Service PRSC B $1,379,864
Krimbill H Michael CEO,CFO,DIR Ngl Energy Partners NGL B $1,163,590
Oneill Michael E DIR Citigroup C B $1,001,771
Martin R Brad DIR Chesapeake Energy CHK B $689,600
Lovoi John BO Evolution Petroleum EPM B $399,299
Wainscott James L CB,PR,CEO Ak Steel Holding AKS B $384,500
Goodwin Daniel L DIR,BO Inland Real Estate IRC B $255,256
Adams Nicholas C FO First Opportunity Fd FOFI B $133,672

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

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Type
Dollar Value
Apollo Management Gp BO Charter Comms CHTR JS* $212,504,992
McCausland Peter CB,DIR,BO Airgas ARG JS* $106,320,000
Warburg Pincus PE X DIR,BO Primerica PRI JS* $99,036,000
Eternity Four Trust BO Carnival CCL AS $22,930,312
Schottenstein Jay L CB,DIR,BO DSW DSW S $21,343,212
Marquardt David F DIR Microsoft MSFT S $13,564,140
Ritchey Raymond A VP Boston Properties BXP S $11,919,353
Frazier Laura BO Brown Forman BFB JS* $11,079,707
Mastercard Foundation BO Mastercard MA S $9,049,660
Stoops Jeffrey CEO,PR,DIR SBA Comms SBAC S $8,103,140

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