The firm will use the proceeds for working capital, but said it may also acquire or invest in complementary technologies or businesses.
The company hopes to use proceeds from the stock offering to support the commercial launch of its Digital Spatial Profiling platform next year.
The company will offer 4 million shares of common stock at a price of $12.50 per share, with an option for underwriters to purchase up to an additional 600,000 shares.
NanoString Technologies hopes to use proceeds from the stock offering to support the commercial launch of its Digital Spatial Profiling platform next year.
The firm said it will offer 4.5 million shares of its common stock at $20 per share. It expects to close its follow-on public offering on July 16.
Net proceeds from the exercise of subscription rights and warrants are anticipated to be $22.6 million, excluding any proceeds from the exercise of warrants.
The molecular diagnostics company previously raised $180 million in its 2015 initial public offering.
The firm will grant underwriters a 30-day option to purchase up to an additional 915,000 shares of its common stock at $7.50 per share.
The firm has not yet priced the shares, but will grant underwriters a 30-day option to purchase up to an additional 847,500 shares in the stock offering.
The share prices of 20 companies in the 360Dx Index rose last month, with Exact Sciences, Natera, Invitae, and NeoGenomics the biggest gainers.