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Top Insider Trades 10/4/12: JAZZ, AMCX, PCFG, STK

|Includes:AMCX, Jazz Pharmaceuticals, Inc. (JAZZ), STK

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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 Thursday, October 4, 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
Dai Ichi Life Insurance BO Janus Capital JNS B $4,655,461
Landau Robert G CEO,DIR Pacific Gold PCFG JB* $577,158
Geisler Mitchell COO,DIR Pacific Gold PCFG JB* $303,697
Frost Phillip MD et al CEO,CB,BO Opko Health OPK B $283,650
Maher John F DIR CS Tech Growth Fund STK B $49,563
Gillman Charles M DIR Digirad DRAD AB $20,772
Eberwein Jeffrey E DIR Digirad DRAD AB $20,772
Gegen Stan DIR Elecsys ESYS B $18,727
Makalskaya Yaroslava VP,CT Contango Oil & Gas MCF B $12,694
Mp Biomedicals BO American Bio Medica ABMC JB* $12,150

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Luxor Capital BO Amc Networks AMCX JS* $37,406,249
Green William D CB,DIR Accenture ACN AS $6,298,734
Enright Patrick G DIR Jazz Pharmaceuticals JAZZ AS $3,907,709
Hoenmans Paul J DIR Cheniere Energy LNG S $2,980,754
Armstrong Alan S PR,CEO,DIR Williams Companies WMB AS $2,848,320
Lithia Holding Co BO Lithia Motors LAD JS*,AS $2,628,737
Cole Martin I CEO,TO Accenture ACN AS $2,304,709
Green L Stephen DIR Active Network ACTV AS $1,182,220
Miller Adam L CEO,DIR,BO Cornerstone Ondemand CSOD AS $1,056,348
Boodaei Michael DIR Imperva IMPV AS $1,021,042

Source: | Key to Insider Title and Trans Type Codes