UNDERWRITING AGREEMENT APTINYX INC. 14,000,000 Shares of Common Stock, par value $0.01 per share October 21, 2020Underwriting Agreement • October 22nd, 2020 • Aptinyx Inc. • Pharmaceutical preparations • New York
Contract Type FiledOctober 22nd, 2020 Company Industry JurisdictionAptinyx Inc., a Delaware corporation (the “Company”), proposes to issue and sell to the several underwriters listed in Schedule 1 hereto (the “Underwriters”), for whom you are acting as representatives (the “Representatives”), an aggregate of 14,000,000 shares of common stock, par value $0.01 per share (the “Common Stock”), of the Company (the “Underwritten Shares”) and, at the option of the Underwriters, up to an additional 2,100,000 shares of Common Stock, of the Company (the “Option Shares”). The Underwritten Shares and the Option Shares are herein referred to as the “Shares.” The shares of Common Stock of the Company to be outstanding after giving effect to the sale of the Shares are referred to herein as the “Stock.”