It's common for many investors, especially those who are inexperienced, to buy shares in companies with a good story even if these companies are loss-making. Unfortunately, these high risk investments often have little probability of ever paying off, and many investors pay a price to learn their lesson. Loss making companies can act like a sponge for capital - so investors should be cautious that they're not throwing good money after bad.

If this kind of company isn't your style, you like companies that generate revenue, and even earn profits, then you may well be interested in Qualys (NASDAQ:QLYS). Even if this company is fairly valued by the market, investors would agree that generating consistent profits will continue to provide Qualys with the means to add long-term value to shareholders.

Check out our latest analysis for Qualys

Qualys' Earnings Per Share Are Growing

The market is a voting machine in the short term, but a weighing machine in the long term, so you'd expect share price to follow earnings per share (EPS) outcomes eventually. Therefore, there are plenty of investors who like to buy shares in companies that are growing EPS. Over the last three years, Qualys has grown EPS by 15% per year. That growth rate is fairly good, assuming the company can keep it up.

It's often helpful to take a look at earnings before interest and tax (EBIT) margins, as well as revenue growth, to get another take on the quality of the company's growth. Qualys maintained stable EBIT margins over the last year, all while growing revenue 17% to US$524m. That's a real positive.

In the chart below, you can see how the company has grown earnings and revenue, over time. For finer detail, click on the image.

In investing, as in life, the future matters more than the past. So why not check out this free interactive visualization of Qualys' forecast profits?

Are Qualys Insiders Aligned With All Shareholders?

Since Qualys has a market capitalisation of US$5.7b, we wouldn't expect insiders to hold a large percentage of shares. But we do take comfort from the fact that they are investors in the company. As a matter of fact, their holding is valued at US$25m. That's a lot of money, and no small incentive to work hard. Despite being just 0.4% of the company, the value of that investment is enough to show insiders have plenty riding on the venture.

Should You Add Qualys To Your Watchlist?

As previously touched on, Qualys is a growing business, which is encouraging. If that's not enough on its own, there is also the rather notable levels of insider ownership. The combination definitely favoured by investors so consider keeping the company on a watchlist. While we've looked at the quality of the earnings, we haven't yet done any work to value the stock. So if you like to buy cheap, you may want to check if Qualys is trading on a high P/E or a low P/E, relative to its industry.

There's always the possibility of doing well buying stocks that are not growing earnings and do not have insiders buying shares. But for those who consider these important metrics, we encourage you to check out companies that do have those features. You can access a free list of them here.

Please note the insider transactions discussed in this article refer to reportable transactions in the relevant jurisdiction.

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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.