Quite a few Mercantile Bank Corporation (NASDAQ:MBWM) insiders sold their shares over the past year, which may be a cause for concern. When evaluating insider transactions, knowing whether insiders are buying versus if they selling is usually more beneficial, as the latter can be open to many interpretations. However, when multiple insiders sell stock over a specific duration, shareholders should take notice as that could possibly be a red flag.

While we would never suggest that investors should base their decisions solely on what the directors of a company have been doing, we do think it is perfectly logical to keep tabs on what insiders are doing.

Check out our latest analysis for Mercantile Bank

The Last 12 Months Of Insider Transactions At Mercantile Bank

In the last twelve months, the biggest single sale by an insider was when the Independent Chairman, Michael Price, sold US$137k worth of shares at a price of US$34.33 per share. That means that even when the share price was below the current price of US$39.84, an insider wanted to cash in some shares. 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. While insider selling is not a positive sign, we can't be sure if it does mean insiders think the shares are fully valued, so it's only a weak sign. We note that the biggest single sale was only 6.2% of Michael Price's holding.

In total, Mercantile Bank insiders sold more than they bought over the last year. You can see a visual depiction of insider transactions (by companies and individuals) over the last 12 months, below. By clicking on the graph below, you can see the precise details of each insider transaction!

If you like to buy stocks that insiders are buying, rather than selling, then you might just love this free list of companies. (Hint: insiders have been buying them).

Does Mercantile Bank Boast High Insider Ownership?

Another way to test the alignment between the leaders of a company and other shareholders is to look at how many shares they own. We usually like to see fairly high levels of insider ownership. It appears that Mercantile Bank insiders own 3.1% of the company, worth about US$18m. While this is a strong but not outstanding level of insider ownership, it's enough to indicate some alignment between management and smaller shareholders.

What Might The Insider Transactions At Mercantile Bank Tell Us?

There haven't been any insider transactions in the last three months -- that doesn't mean much. We don't take much encouragement from the transactions by Mercantile Bank insiders. But it's good to see that insiders own shares in the company. So these insider transactions can help us build a thesis about the stock, but it's also worthwhile knowing the risks facing this company. In terms of investment risks, we've identified 1 warning sign with Mercantile Bank and understanding this should be part of your investment process.

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list of interesting 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.