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Top Insider Trades 3/6/13: JCP, TIF, VPRT, ZIGO

|Includes: CMPR, J.C. Penney Company Inc. (JCP), TIF, ZIGO

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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, March 6, 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
Qatar Inv Auth BO Tiffany TIF B $103,534,208
Prescott GP BO Vistaprint VPRT B $3,385,100
Mak Capital One BO Zygo ZIGO B $1,802,480
Hermance Frank S DIR UGI UGI B $1,258,110
Frost Phillip MD CEO,CB,BO Opko Health OPK B $378,473
Davidson Spencer CB,DIR,DIR General Amer Inv GAM JB* $362,999
Nelson Peter C CB,CEO California Water CWT B $257,832
Pennant Capital BO Universal Stainless USAP B $218,700
Owens B Craig DIR Pall PLL B $199,058
Kropelnicki Martin PR,COO California Water CWT B $159,867

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Vornado Rlty Tr BO,DIR J C Penney Co JCP JS* $160,300,000
Connaughton John DIR Warner Chilcott WCRX JS* $142,655,488
Brin Sergey F,DIR,BO Google GOOG AS $69,642,768
Adair A Jayson CEO,DIR Copart CPRT S $16,814,070
Gressier John CEO Axis Capital AXS S $14,830,722
Summit Partners PT,BO Ubiquiti Networks UBNT JS* $13,310,000
Mastercard Fdn BO Mastercard MA S $13,090,254
Crestview Partners BO Charter Comms CHTR S $12,121,635
George Borba Tr DIR,BO Cvb Financial CVBF S $8,887,925
Domain Parters Vii BO Clovis Oncology CLVS S $6,148,602

Source: | Key to Insider Title and Trans Type Codes