Over the past year, many Mueller Industries, Inc. (NYSE:MLI) insiders sold a significant stake in the company which may have piqued investors' interest. Knowing whether insiders are buying is usually more helpful when evaluating insider transactions, as insider selling can have various explanations. However, shareholders should take a deeper look if several insiders are selling stock over a specific time period.

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.

Mueller Industries Insider Transactions Over The Last Year

Over the last year, we can see that the biggest insider sale was by the Executive VP, Jeffrey Martin, for US$3.0m worth of shares, at about US$57.25 per share. That means that even when the share price was below the current price of US$58.91, an insider wanted to cash in some shares. We generally consider it a negative if insiders have been selling, especially if they did so below the current price, because it implies that they considered a lower price to be reasonable. 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. This single sale was just 14% of Jeffrey Martin's stake.

Mueller Industries insiders didn't buy any shares over the last year. The chart below shows insider transactions (by companies and individuals) over the last year. If you want to know exactly who sold, for how much, and when, simply click on the graph below!

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Insiders At Mueller Industries Have Sold Stock Recently

Over the last three months, we've seen significant insider selling at Mueller Industries. In total, insiders dumped US$3.6m worth of shares in that time, and we didn't record any purchases whatsoever. In light of this it's hard to argue that all the insiders think that the shares are a bargain.

Insider Ownership

Many investors like to check how much of a company is owned by insiders. Usually, the higher the insider ownership, the more likely it is that insiders will be incentivised to build the company for the long term. Mueller Industries insiders own about US$171m worth of shares (which is 2.6% 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.

What Might The Insider Transactions At Mueller Industries Tell Us?

Insiders sold Mueller Industries shares recently, but they didn't buy any. Looking to the last twelve months, our data doesn't show any insider buying. While insiders do own a lot of shares in the company (which is good), our analysis of their transactions doesn't make us feel confident about the company. While we like knowing what's going on with the insider's ownership and transactions, we make sure to also consider what risks are facing a stock before making any investment decision. While conducting our analysis, we found that Mueller Industries has 1 warning sign and it would be unwise to ignore this.

Of course Mueller Industries 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.