Martin Marietta Materials (NYSE: MLM) reported earnings on May 1. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), Martin Marietta Materials beat expectations on revenues and missed expectations on earnings per share.

Compared to the prior-year quarter, revenue improved and GAAP loss per share expanded.

Gross margins improved, operating margins dropped, net margins shrank.

Revenue details
Martin Marietta Materials tallied revenue of $394.0 million. The 11 analysts polled by S&P Capital IQ predicted revenue of $368.5 million on the same basis. GAAP reported sales were 11% higher than the prior-year quarter's $356.5 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
EPS came in at -$0.30. The 14 earnings estimates compiled by S&P Capital IQ forecast -$0.24 per share. GAAP EPS were -$0.81 for Q1 against -$0.39 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 6.0%, 10 basis points better than the prior-year quarter. Operating margin was -8.5%, 610 basis points worse than the prior-year quarter. Net margin was -9.3%, 440 basis points worse than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $519.2 million. On the bottom line, the average EPS estimate is $1.00.

Next year's average estimate for revenue is $1.90 billion. The average EPS estimate is $2.46.

Investor sentiment
The stock has a two-star rating (out of five) at Motley Fool CAPS, with 155 members out of 176 rating the stock outperform, and 21 members rating it underperform. Among 64 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 60 give Martin Marietta Materials a green thumbs-up, and four give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Martin Marietta Materials is hold, with an average price target of $89.80.

Seth Jayson had no position in any company mentioned here at the time of publication. 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.