From what we can see, insiders were net sellers in Select Medical Holdings Corporation's (NYSE:SEM ) during the past 12 months. That is, insiders sold the stock in greater numbers than they purchased it.

While insider transactions are not the most important thing when it comes to long-term investing, we do think it is perfectly logical to keep tabs on what insiders are doing.

See our latest analysis for Select Medical Holdings

Select Medical Holdings Insider Transactions Over The Last Year

Over the last year, we can see that the biggest insider sale was by the Senior Vice President of Compliance & Audit, Robert Breighner, for US$296k worth of shares, at about US$29.45 per share. While we don't usually like to see insider selling, it's more concerning if the sales take place at a lower price. The good news is that this large sale was at well above current price of US$24.94. So it may not shed much light on insider confidence at current levels. Robert Breighner was the only individual insider to sell over the last year.

You can see the insider transactions (by companies and individuals) over the last year depicted in the chart below. By clicking on the graph below, you can see the precise details of each insider transaction!

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

Does Select Medical Holdings Boast High Insider Ownership?

Many investors like to check how much of a company is owned by insiders. I reckon it's a good sign if insiders own a significant number of shares in the company. Select Medical Holdings insiders own about US$572m worth of shares (which is 18% of the company). I like to see this level of insider ownership, because it increases the chances that management are thinking about the best interests of shareholders.

So What Does This Data Suggest About Select Medical Holdings Insiders?

It doesn't really mean much that no insider has traded Select Medical Holdings shares in the last quarter. It's heartening that insiders own plenty of stock, but we'd like to see more insider buying, since the last year of Select Medical Holdings insider transactions don't fill us with confidence. So while it's helpful to know what insiders are doing in terms of buying or selling, it's also helpful to know the risks that a particular company is facing. To help with this, we've discovered 2 warning signs (1 is a bit concerning!) that you ought to be aware of before buying any shares in Select Medical Holdings.

Of course Select Medical Holdings may not be the best stock to buy. So you may wish to see this free collection of high quality companies.

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.