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Top Insider Trades 12/30/13: BTX, TTGT, OFG, ACCL

|Includes: ACCL, BioTime, Inc (BTX), OFG, TTGT

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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 Monday, December 30, 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
Bradsher Neal C DIR,BO Biotime BTX JB*,B $1,052,148
Frost Phillip Md CEO,CB,BO Opko Health OPK B $552,845
RGM Capital BO Accelrys ACCL B $179,484
Heckelman James O First Citizens Banc FCZA JB* $125,000
Hawk Don O Techtarget TTGT JB* $50,400
Fernandez Jose R CEO,DIR Ofg Bancorp OFG JB* $44,238
Fearon Richard Jr DIR,BO Nutrastar Intl NUIN B $41,170
Bronson Steven N CEO,DIR,BO Bkf Capital BKFG JB* $38,482
Bachelder Stephen COO,DIR Lakeland Industries LAKE B $17,810
Clayton Kenneth L DIR Mexco Energy MXC B $17,664

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Jana Partners BO Oil States Intl OIS S $10,854,191
Peterson Lynn A CB,CEO,DIR Kodiak Oil & Gas KOG S $5,631,146
Jana Partners BO Outerwall OUTR S $3,634,212
Wang Feng Ming CEO,DIR Ambarella AMBA AS $2,970,000
Fromm Ronald A DIR Brown Shoe Co BWS AS $2,055,744
Cunningham Michael VP,GC Red Hat RHT S $1,125,040
Henderson James P CFO,SEC,TR Kodiak Oil & Gas KOG S $1,124,922
Chandna Asheem DIR Palo Alto Net PANW AS $985,227
Kish William S A CTO,DIR Ruckus Wireless RKUS AS $852,522
Suriyakumar Kumar CB,CEO,DIR Arc Document ARC S $716,757

Source: | Key to Insider Title and Trans Type Codes