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Top Insider Trades 11/7/12: KSS, DVA, SIRI, VCRA

|Includes: DVA, Kohl's Corporation (KSS), SIRI, VCRA

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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 7, 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, 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
Berkshire Hathaway BO Davita Healthcare DVA B $15,627,544
Srinivasan Mallika DIR AGCO AGCO AB $6,507,289
Dai Ichi Life Ins BO Janus Capital JNS B $5,305,304
Chase Rodney F DIR Tesoro Corp New TSO B $901,745
Kleeman Merrick R DIR Everbank Financial EVER JB* $750,000
Yemin Ezra Uzi PR,CEO,DIR Delek Logistics DKL JB* $630,000
Baker G Leonard Jr DIR,BO Corcept Therap CORT B $549,860
Cox Mark B VP,CFO,DIR Delek Logistics DKL JB* $525,000
Heinemann Robert PR,CEO,DIR Berry Petroleum BRY B $333,995
Frost Phillip MD CEO,CB,BO Opko Health OPK B $317,277

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Brin Sergey F,DIR,BO Google GOOG AS $56,806,952
Kellogg William S DIR Kohls KSS S $32,217,076
Karmazin Mel CEO,DIR Sirius Xm Radio SIRI S $24,079,926
Rre Ventures Gp II BO Vocera Comms VCRA S $6,423,137
Henke David VP,OO Linkedin LNKD AS $6,071,160
James Thomas A CB,DIR,BO Raymond James RJF S $3,563,775
Rulli John VP,PR Simon Property SPG S $3,292,116
Charles River BO Rpx RPXC S $3,102,319
Raines Merilee VP,CFO Idexx Laboratories IDXX S $2,346,118
Woodhouse MA DIR Cracker Barrel CBRL AS $2,177,254

Source: | Key to Insider Title and Trans Type Codes