February 22, 2024
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Sienna Biopharmaceuticals misses estimates as net losses grow


Westlake Village-based Sienna Biopharmaceuticals reported that operating expenses rose 41 percent for its fourth quarter to $19.8 million, topping $76 million in 2018. The pre-revenue company ended the year with $48.5 million in cash and cash equivalents and raised another $21.3 million in net proceeds from a stock offering in February as it advanced clinical…


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