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Top Insider Trades 6/27/13: ZINC, SNTA, AMTD, BANC

|Includes:AMTD, BANC, MDGL, Horsehead Holding Corp. (ZINCQ)

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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, June 27, 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 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
Aldrich Richard DIR Ptc Therapeutics PTCT JB* $11,500,005
Schmertzler Michael DIR,BO Ptc Therapeutics PTCT JB* $7,999,995
Dalal Street BO Horsehead Holding ZINC B $2,549,977
Kovner Bruce DIR,BO Synta Pharm SNTA B $2,265,390
Chrisman Timothy DIR 1st Pactrust Banc BANC B $161,399
Korman Bernard J DIR New Amer Hi Inc HYB JB* $143,850
Thomas William DIR Encore Wire WIRE B $118,860
Benham Douglas N DIR Amer Res Props ARPI B $88,550
Cronin Daniel P DIR WA Muni Fd MNP JB* $71,083
Green Richard C DIR Corenergy Infra Tr CORR B $70,495

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

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Type
Dollar Value
Schmidt Eric E CB,DIR Google GOOG AS $66,419,743
Ricketts J Joe BO Td Ameritrade AMTD S $57,873,528
Crosslink Capital O Pandora Media P S $5,840,250
Steinberg Joseph S CB,DIR Leucadia National LUK S $3,300,766
Davidar David D VP,OO,DIR Globus Medical GMED AS $2,506,433
Goldstein Bruce VP,CT PVH PVH S $1,157,751
Ullyot Theodore VP,GC,SEC Facebook FB AS $1,077,622
Wilkinson Philip C DIR Entravision Comms EVC AS $810,426
Black Dwayne A VP,OO Shutterfly SFLY AS $550,000
Crane Sean VP,COO Fresh Market TFM S $504,500

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

Stocks: ZINCQ, MDGL, AMTD, BANC