Organization	3 Months Ended
Mar. 31, 2020
Organization
Organization	1. Organization Description of business Aptinyx Inc. (the “Company” or “Aptinyx”) was incorporated in Delaware on June 24, 2015 and maintains its headquarters in Evanston, Illinois. Aptinyx is a clinical‑stage biopharmaceutical company focused on the discovery, development, and commercialization of novel, proprietary, synthetic small molecules for the treatment of brain and nervous system disorders. Aptinyx has a platform for discovering proprietary compounds that work through a novel mechanism: modulation of N‑methyl‑D‑aspartate receptors (“NMDAr”), which are vital to normal and effective brain and nervous system functions. This mechanism has applicability across numerous brain and nervous system disorders. Liquidity and capital resources On January 14, 2020, the Company completed a follow-on public offering of its common stock pursuant to an effective registration statement on Form S-3. The Company sold an aggregate of 11,691,666 shares of common stock, which included the exercise in full of the underwriters’ option to purchase additional shares, at a public offering price of $3.00 per share. Net proceeds from the offering were approximately $33.3 million after deducting underwriting discounts and commissions as well as other offering expenses. As of March 31, 2020, the Company had cash and cash equivalents of $121.0 million, which the Company believes will be sufficient to funds its planned operations for a period of at least twelve months from the date of issuance of these condensed financial statements.

Organization

3 Months Ended

Mar. 31, 2020

1. Organization

Description of business

Aptinyx Inc. (the “Company” or “Aptinyx”) was incorporated in Delaware on June 24, 2015 and maintains its headquarters in Evanston, Illinois.

Aptinyx is a clinical‑stage biopharmaceutical company focused on the discovery, development, and commercialization of novel, proprietary, synthetic small molecules for the treatment of brain and nervous system disorders. Aptinyx has a platform for discovering proprietary compounds that work through a novel mechanism: modulation of N‑methyl‑D‑aspartate receptors (“NMDAr”), which are vital to normal and effective brain and nervous system functions. This mechanism has applicability across numerous brain and nervous system disorders.

Liquidity and capital resources

On January 14, 2020, the Company completed a follow-on public offering of its common stock pursuant to an effective registration statement on Form S-3. The Company sold an aggregate of 11,691,666 shares of common stock, which included the exercise in full of the underwriters’ option to purchase additional shares, at a public offering price of $3.00 per share. Net proceeds from the offering were approximately $33.3 million after deducting underwriting discounts and commissions as well as other offering expenses.

As of March 31, 2020, the Company had cash and cash equivalents of $121.0 million, which the Company believes will be sufficient to funds its planned operations for a period of at least twelve months from the date of issuance of these condensed financial statements.