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Top Insider Trades 3/20/13: OPK, KTOS, BNNY, GCAP

|Includes:BNNY, GCAP, KTOS, OPKO Health, Inc. (OPK)

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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 20, 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
Luxor Capital BO Azteca Acquisition AZTAU JB* $2,567,500
Frost Phillip MD CEO,CB,BO Opko Health OPK B $363,403
Master Global Assets BO Gain Capital GCAP B $190,874
Wynnefield SmCap Val BO Rotech Healthcare ROHI JB* $156,000
Demarco Eric M PR,CEO,DIR Kratos Defense KTOS B $124,987
Patterson Scott B BO Cytrx CYTR B $91,476
Keating Neal J CB,PR,CEO Kaman KAMN B $70,225
McNeil John A DIR Atlantic Power AT B $61,320
Nicolas Ronald J VP,CFO First Pactrust Banc BANC B $56,700
Leon Guerrero E BO Bankguam Holding BKGM JB* $47,006

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Ashby Molly DIR,BO Annies BNNY JS* $140,000,000
Kkr Fund BO Sealy ZZ JS* $102,577,024
Stone William C CB,CEO,BO SS&C Tech SSNC JS* $32,250,000
Baty Daniel R CB,DIR,BO Emeritus ESC JS*,S $25,725,600
Morfit G Mason DIR Bard C R BCR S $17,837,272
Mitchell David T CEO,CB,DIR Fabrinet FN JS* $12,064,500
Balmuth Michael VCB,CEO,DIR Ross Stores ROST AS $9,951,022
Sanderling Venture DIR Pacira Pharm PCRX AS $7,052,065
Tutor Ronald N CB,CEO,BO Tutor Perini TPC S $3,668,435
Shum Anthony C PR Aecom Tech ACM AS $2,586,122

Source: | Key to Insider Title and Trans Type Codes