The GV and EMBL Ventures-backed immunotherapy developer floated in an underpriced offering and received $20m in a private placement from NEA.

US-based monoclonal antibody developer Arsanis has gone public in a $40m initial public offering that provided exits for several corporate investors including internet and technology group Alphabet.

The company issued 4 million shares on the Nasdaq Global Market priced at $10 each, well below the IPO’s $15 to $17 range. A fund affiliated with venture capital firm New Enterprise Associates (NEA) agreed to buy another $20m of shares through a private placement.

Arsanis is developing monoclonal antibody-based immunotherapies to…

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