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Top Insider Trades 4/17/13: AAPL, AGCO, MNST, NSPR

|Includes:Apple Inc. (AAPL), AGCO, MNST, NSPR

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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, April 17, 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
Harbinger BO Spectrum Brands SPB B $5,158,450
New Enterprise BO Omthera Pharm OMTH JB* $5,000,000
Naphtha Holding BO Isramco ISRL JB* $2,699,125
Srinivasan Mallika DIR AGCO AGCO AB $2,436,359
Barer Sol J DIR Inspiremd NSPR JB* $1,500,000
Lanigan Bernard Jr DIR Texas Ind TXI B $587,525
Fishman Arnold L DIR Aerovironment AVAV B $459,295
Goldstein Phillip DIR MVC Capital MVC B $320,241
Milinazzo Alan PR,CEO,DIR Inspiremd NSPR JB* $200,000
Goldman Sachs BO Mrc Global MRC JB* $197,063

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Popular DIR,BO Evertec EVTC JS* $176,013,184
Jean Coutu BO Rite Aid RAD S $159,581,120
Hoyt David A VP Wells Fargo WFC S $4,625,050
Sze David L DIR Linkedin LNKD AS $2,876,646
Schlosberg Hilton VCB,PR,DIR Monster Beverage MNST AS $1,682,268
Sacks Rodney C CB,CEO,DIR Monster Beverage MNST AS $1,682,000
Gamson Michael VP Linkedin LNKD AS $1,578,910
Grapstein Steven H DIR Tesoro Corp New TSO AS $987,950
Levchin Max R DIR,BO YELP YELP AS $943,217
Williams Jeffrey E VP Apple AAPL AS $923,287

Source: | Key to Insider Title and Trans Type Codes