We'd be surprised if RadNet, Inc. (NASDAQ:RDNT) shareholders haven't noticed that the Executive Vice President of Mergers & Acquisitions, Michael Murdock, recently sold US$354k worth of stock at US$35.02 per share. That sale was 13% of their holding, so it does make us raise an eyebrow.

Check out our latest analysis for RadNet

RadNet Insider Transactions Over The Last Year

Over the last year, we can see that the biggest insider sale was by the President & COO of Western Operations, Norman Hames, for US$1.4m worth of shares, at about US$31.12 per share. That means that an insider was selling shares at slightly below the current price (US$36.22). As a general rule we consider it to be discouraging when insiders are selling below the current price, because it suggests they were happy with a lower valuation. However, while insider selling is sometimes discouraging, it's only a weak signal. This single sale was just 14% of Norman Hames's stake.

In the last year RadNet insiders didn't buy any company stock. The chart below shows insider transactions (by companies and individuals) over the last year. If you click on the chart, you can see all the individual transactions, including the share price, individual, and the date!

For those who like to find winning investments this free list of growing companies with recent insider purchasing, could be just the ticket.

Insider Ownership

For a common shareholder, it is worth checking how many shares are held by company insiders. I reckon it's a good sign if insiders own a significant number of shares in the company. It's great to see that RadNet insiders own 13% of the company, worth about US$308m. Most shareholders would be happy to see this sort of insider ownership, since it suggests that management incentives are well aligned with other shareholders.

So What Does This Data Suggest About RadNet Insiders?

Insiders haven't bought RadNet stock in the last three months, but there was some selling. Looking to the last twelve months, our data doesn't show any insider buying. The company boasts high insider ownership, but we're a little hesitant, given the history of share sales. So these insider transactions can help us build a thesis about the stock, but it's also worthwhile knowing the risks facing this company. To help with this, we've discovered 4 warning signs (1 is potentially serious!) that you ought to be aware of before buying any shares in RadNet.

But note: RadNet may not be the best stock to buy. So take a peek at this free list of interesting companies with high ROE and low debt.

For the purposes of this article, insiders are those individuals who report their transactions to the relevant regulatory body. We currently account for open market transactions and private dispositions of direct interests only, but not derivative transactions or indirect interests.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.