Helix Energy Solutions Group (NYSE: HLX) filed its 10-K on Feb. 24. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended Dec. 31 (Q4), Helix Energy Solutions Group crushed expectations on revenues and crushed expectations on earnings per share.

Compared to the prior-year quarter, revenue improved significantly, and GAAP earnings per share increased.

Margins expanded across the board.

Revenue details
Helix Energy Solutions Group logged revenue of $396.2 million. The five analysts polled by S&P Capital IQ foresaw revenue of $329.9 million on the same basis. GAAP reported sales were 29% higher than the prior-year quarter's $306.3 million.

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Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
Non-GAAP EPS came in at $0.66. The six earnings estimates compiled by S&P Capital IQ predicted $0.32 per share on the same basis. GAAP EPS were $0.16 for Q4 compared to -$0.48 per share for the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
For the quarter, gross margin was 34.0%, 2,210 basis points better than the prior-year quarter. Operating margin was -0.7%, 520 basis points better than the prior-year quarter. Net margin was 4.2%, 2,050 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $325.2 million. On the bottom line, the average EPS estimate is $0.50.

Next year's average estimate for revenue is $1.44 billion. The average EPS estimate is $1.71.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 931 members rating the stock outperform and 37 members rating it underperform. Among 285 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 279 give Helix Energy Solutions Group a green thumbs-up, and six give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Helix Energy Solutions Group is outperform, with an average price target of $21.36.

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Seth Jayson owned shares of the following at the time of publication: Helix Energy Solutions Group. You can view his stock holdings here. He is co-advisor of Motley Fool Hidden Gems, which provides new small-cap ideas every month, backed by a real-money portfolio. 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.