Vogenx (VOGX) priced an initial public offering of about 6.3 million shares at $13 each, for gross proceeds of about $81.3 million, the company said Tuesday.

Shares are expected to begin Nasdaq trading Wednesday under the ticker symbol "VOGX," the company said.

The offering is expected to close on Thursday.

Vogenx has also granted underwriters a 45-day option to purchase up to 937,500 additional shares, the company said.