| Quarterly financial information |
The following table contains quarterly financial information for 2019 and 2018. The information has been derived from unaudited consolidated financial statements that, in the opinion of management, include all recurring adjustments necessary for a fair statement of such information (in thousands, except per share data):
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Three Months Ended
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March 31,
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June 30,
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September 30,
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December 31,
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2019
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2019
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2019
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2019
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Consolidated Statements of Operations Data:
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Revenue
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$
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—
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$
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—
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$
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—
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$
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—
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Total operating expenses
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34,406
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41,285
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48,482
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45,428
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Loss from operations
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(34,406)
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(41,285)
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(48,482)
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(45,428)
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Net loss attributable to common stockholders
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(32,581)
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(39,390)
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(47,015)
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(44,472)
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Net loss per share attributable to common stockholders, basic and diluted
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$
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(0.42)
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$
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(0.50)
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$
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(0.59)
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$
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(0.56)
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Three Months Ended
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March 31,
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June 30,
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September 30,
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December 31,
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2018
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2018
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2018
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2018
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Consolidated Statements of Operations Data:
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Revenue
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$
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—
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$
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—
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$
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—
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$
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—
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Total operating expenses
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14,603
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20,384
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27,554
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29,122
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Loss from operations
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(14,603)
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(20,384)
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(27,554)
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(29,122)
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Net loss attributable to common stockholders
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(14,411)
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(21,239)
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(26,362)
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(27,183)
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Net loss per share attributable to common stockholders, basic and diluted
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$
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(1.72)
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$
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(2.43)
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$
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(0.42)
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$
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(0.35)
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