While shareholders of SIGA Technologies (NASDAQ:SIGA) are in the black over 5 years, those who bought a week ago aren't so fortunate

SIGA Technologies, Inc. (NASDAQ:SIGA) shareholders might be concerned after seeing the share price drop 12% in the last week. But that scarcely detracts from the really solid long term returns generated by the company over five years. It's fair to say most would be happy with 277% the gain in that time. So while it's never fun to see a share price fall, it's important to look at a longer time horizon. Ultimately business performance will determine whether the stock price continues the positive long term trend.

Since the long term performance has been good but there's been a recent pullback of 12%, let's check if the fundamentals match the share price.

Check out our latest analysis for SIGA Technologies

While the efficient markets hypothesis continues to be taught by some, it has been proven that markets are over-reactive dynamic systems, and investors are not always rational. 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 last half decade, SIGA Technologies became profitable. Sometimes, the start of profitability is a major inflection point that can signal fast earnings growth to come, which in turn justifies very strong share price gains.

You can see below how EPS has changed over time (discover the exact values by clicking on the image).

We're pleased to report that the CEO is remunerated more modestly than most CEOs at similarly capitalized companies. It's always worth keeping an eye on CEO pay, but a more important question is whether the company will grow earnings throughout the years. This free interactive report on SIGA Technologies' earnings, revenue and cash flow is a great place to start, if you want to investigate the stock further.

What about the Total Shareholder Return (TSR)?

We've already covered SIGA Technologies' share price action, but we should also mention its total shareholder return (TSR). The TSR attempts to capture the value of dividends (as if they were reinvested) as well as any spin-offs or discounted capital raisings offered to shareholders. We note that SIGA Technologies' TSR, at 301% is higher than its share price return of 277%. When you consider it hasn't been paying a dividend, this data suggests shareholders have benefitted from a spin-off, or had the opportunity to acquire attractively priced shares in a discounted capital raising.

A Different Perspective

It's nice to see that SIGA Technologies shareholders have received a total shareholder return of 99% over the last year. Since the one-year TSR is better than the five-year TSR (the latter coming in at 32% per year), it would seem that the stock's performance has improved in recent times. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. Consider for instance, the ever-present spectre of investment risk. We've identified 2 warning signs with SIGA Technologies (at least 1 which can't be ignored) , and understanding them should be part of your investment process.

We will like SIGA Technologies better if we see some big insider buys. While we wait, check out this free list of growing companies with considerable, recent, insider buying.

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