Item 1. Security and Issuer.
This Amendment No. 2 (“Amendment No. 2”) to Schedule 13D amends the statement on Schedule 13D filed on July 5, 2018 (the “Original Schedule 13D”) as amended on January 16, 2020 (the “Prior Amendment”, and together with the Original Schedule 13D and this Amendment No. 2, the “Schedule 13D”) with respect to the Common Stock of Aptinyx Inc. (the “Issuer”), having its principal executive office at 909 Davis Street, Suite 600, Evanston, IL 60201. Except as otherwise specified in this Amendment No. 2, all items in the Schedule 13D are unchanged. All capitalized terms used in this Amendment No. 2 and not otherwise defined herein have the meanings ascribed to such terms in the Original Schedule 13D, as amended by the Prior Amendment.
The Reporting Persons are filing this Amendment No. 2 to report a decrease in the percentage of the class beneficially owned by the Reporting Persons due to an increase in the aggregate number of outstanding securities of the Issuer.
Item 5. Interest in Securities of the Issuer
| (a) | FLS VIII is the record owner of the Frazier Shares. As the sole general partner of FLS VIII, FHM-VIII, L.P. may be deemed to own beneficially the Frazier Shares. As the sole general partner of FHM-VIII, L.P., FHM LS VIII LLC may be deemed to own beneficially the Frazier Shares. As individual members of FHM LS VIII LLC, each of the Topper and Heron may be deemed to beneficially own the Frazier Shares. Each Reporting Person disclaims beneficial ownership of all Frazier Shares other than those shares which such person owns of record. |
The percentage of outstanding shares of Common Stock of the Issuer, which may be deemed to be beneficially owned by each of FLS-VIII, FHM LS VIII L.P., FHM LS VIII LLC and Heron, is set forth on Line 13 of such Reporting Person’s cover sheet. Such percentage was calculated based on the 63,256,689 shares of Common Stock that were outstanding as of November 6, 2020 as set forth in the Issuer’s Form 10-Q filed with the SEC on November 12, 2020.
The percentage of outstanding Common Stock of the Issuer, which may be deemed to be beneficially owned by Topper, is set forth on Line 13 of Topper’s cover sheet. Such percentage was calculated based on (i) 63,256,689 shares of Common Stock that were outstanding as of November 6, 2020 as set forth in the Issuer’s Form 10-Q filed with the SEC on November 12, 2020 and (ii) 54,613 shares of Common Stock that are issuable upon the exercise of options held directly by Mr. Topper that are exercisable within 60 days of November 12, 2020.
| (b) | Regarding the number of shares as to which such person has: |
| a. | Sole power to vote or to direct the vote: See line 7 of cover sheets. |
| b. | Shared power to vote or to direct the vote: See line 8 of cover sheets. |
| c. | Sole power to dispose or to direct the disposition: See line 9 of cover sheets. |
| d. | Shared power to dispose or to direct the disposition: See line 10 of cover sheets. |
| (c) | Information with respect to transactions in the Securities which were effected within the past sixty days or since the most recent filing on Schedule 13D, whichever is less, by the Reporting Persons is set forth below. |
Not applicable