Image source: Rubicon Project.

What: Shares of automated advertising specialist Rubicon Project (NYSE:RUBI) have jumped today, up by 13% as of 1:04 p.m. ET, after the company reported better-than-expected earnings.

So what: Adjusted revenue in the fourth quarter doubled to $83.7 million, which translated into non-GAAP earnings per share of $0.72. That bottom-line result made short work of the Street's best guesses, which called for just $0.33 per share in adjusted earnings. Adjusted EBITDA margin was $36 million, for an adjusted EBITDA margin of 43%.

Now what: Managed revenue jumped 55% to $336 million in the fourth quarter, and Rubicon enjoyed a take rate of 25%. Rubicon expects first-quarter revenue to be in the range of $64 million to $68 million, with adjusted earnings per share of $0.00 to $0.02. For the full year, sales should be $315 million to $355 million, with adjusted earnings per share of $0.65 to $0.78.

Evan Niu, CFA has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.