Shareholders 39% loss in Marten Transport (NASDAQ:MRTN) partly attributable to the company's decline in earnings over past three years

Marten Transport, Ltd. (NASDAQ:MRTN) shareholders should be happy to see the share price up 22% in the last month. But that doesn't change the fact that the returns over the last three years have been less than pleasing. Truth be told the share price declined 41% in three years and that return, Dear Reader, falls short of what you could have got from passive investing with an index fund.

Although the past week has been more reassuring for shareholders, they're still in the red over the last three years, so let's see if the underlying business has been responsible for the decline.

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There is no denying that markets are sometimes efficient, but prices do not always reflect underlying business performance. By comparing earnings per share (EPS) and share price changes over time, we can get a feel for how investor attitudes to a company have morphed over time.

During the three years that the share price fell, Marten Transport's earnings per share (EPS) dropped by 44% each year. This fall in the EPS is worse than the 16% compound annual share price fall. So, despite the prior disappointment, shareholders must have some confidence the situation will improve, longer term. This positive sentiment is also reflected in the generous P/E ratio of 49.76.

You can see how EPS has changed over time in the image below (click on the chart to see the exact values).

We like that insiders have been buying shares in the last twelve months. Even so, future earnings will be far more important to whether current shareholders make money. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

What About Dividends?

As well as measuring the share price return, investors should also consider the total shareholder return (TSR). The TSR is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. Arguably, the TSR gives a more comprehensive picture of the return generated by a stock. In the case of Marten Transport, it has a TSR of -39% for the last 3 years. That exceeds its share price return that we previously mentioned. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

Marten Transport shareholders are down 29% for the year (even including dividends), but the market itself is up 14%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Regrettably, last year's performance caps off a bad run, with the shareholders facing a total loss of 5% per year over five years. Generally speaking long term share price weakness can be a bad sign, though contrarian investors might want to research the stock in hope of a turnaround. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. Like risks, for instance. Every company has them, and we've spotted 3 warning signs for Marten Transport (of which 1 is a bit unpleasant!) you should know about.

Marten Transport is not the only stock that insiders are buying. For those who like to find lesser know companies this free list of growing companies with recent insider purchasing, could be just the ticket.

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on American exchanges.

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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.