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Who knows more about a company and its potential? The people who run it or the Wall Street analysts who follow the people who run it? The common sense answer: The folks who run the company.

That grasp of the obvious has spawned a slew of sites offering insight as to what those insiders are up to. The granddaddy of them all, of course, is the

Securities and Exchange Commission

, which archives all electronic filings insiders complete in order to buy or sell shares of their own company. The government's information is free, although difficult to plow through. And because it's only the site offers only electronically-filed information, a good chunk of the data isn't avaliable. If you want to cut out all that leg work, check out the sites below.


is probably the best known of all the private services that follow insider trading. CDA/Investnet data appears weekly in the

Wall Street Journal

and the company's president Robert Gabele is a frequent guest on

TheStreet Recommends


. The site provides an extraordinary amount of information, analysis and opinion -- much of it written by Gabele. A good chunk of the site is free for your perusal, but a subscription is required for more in-depth info.

Tracking insider trading isn't difficult, just tedious. At least that's idea behind


. InsiderTrader will do all the heavy-lifting, sorting through the forms corporate big wigs have to file with the SEC so the governemnt can monitor their behavior. The site sorts by week and by month and provides a breakdown of how much was bought (or sold) and who was doing it. The site also offers recommendations. The site costs $4.95 a month.


Holt Stock Report

isn't solely dedicated to insider trading, but some of its features will aid those trying to watch the inside track. The most powerful of these is a list of shares which have seen activity rise more than 50% in the most recent session. Why is this important? Because generally if there's no news about these companies, there's no reason for activity to surge. The conclusion: Someone on the inside is doing something.

By Andrew Morse