908 Devices Inc., a pioneer of purpose-built handheld and desktop mass spec devices for chemical and biomolecular analysis, today announced the closing of its upsized initial public offering of shares of its common stock, with 7,475,000 shares offered and sold by the Company at a public offering price of $20.00 per share, which includes the full exercise of the underwriters’ option to purchase an additional 975,000 shares of common stock from the Company. The shares began trading on the Nasdaq Global Market on December 18, 2020 under the ticker symbol “MASS.”

Cowen and SVB Leerink acted as lead book-running managers for the proposed offering. William Blair and Stifel acted as book-running managers for the proposed offering.

A registration statement on Form S-1 relating to the shares sold in the initial public offering has been filed with the Securities and Exchange Commission and was declared effective on December 17, 2020.  Copies of the final prospectus relating to this offering may be obtained from: Cowen and Company, LLC, c/o Broadridge Financial Solutions, Attention: Prospectus Department, 1155 Long Island Avenue, Edgewood, NY 11717, by telephone at 833-297-2926, or by email at PostSaleManualRequests@broadridge.com; or SVB Leerink LLC, Attention: Syndicate Department, One Federal Street, 37th Floor, Boston, Massachusetts 02120, telephone: 1-800-808-7525, ext. 6132, or by email at syndicate@svbleerink.com.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of, these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.