Shake Shack jumps 10% after topping estimates

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Shake Shack's 4M share offering
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Fast casual burger chain Shake Shack topped Wall Street's earnings and revenue estimates on Monday.

The chain also announced a proposed secondary offering of 4,000,000 shares of its common stock from selling stockholders with a 30-day option for underwriters to buy up to 600,000 additional shares.

Following the report, its stock traded higher. (Track its shares here.)

The restaurant chain reported adjusted pro forma net income of $3.4 million, or 9 cents a share, up from $1.1 million, or 3 cents per share.

Its revenue jumped 75 percent to $48.5 million from $27.7 million.

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Analysts expected Shake Shack to deliver 3 cents per share in quarterly earnings on $43 million in revenue, according to a consensus estimate from Thomson Reuters.

Same restaurants sales increased 12.9 percent during the quarter. Same store sales, a key industry metric, were forecast to rise 8.6 percent, according to Consensus Metrix.

Since its IPO in January, Shake Shack stock has risen a steep 230 percent.

The chain also revised its outlook for fiscal 2015. It now expects to earn total revenue of $171 million to $174 million. Analysts were forecasting $171 million in revenue for the year. It is also increasing its same store sales growth estimates to the mid- to high-single digits from the low- to mid-single digits.