LOGC LogicBio Therapeutics Inc

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 5)*

LogicBio Therapeutics, Inc.

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

54142F102

(CUSIP Number)

Robert Lyne

Chief Executive Officer

Arix Bioscience plc

Duke Street House

50 Duke Street

London W1J 6EQ, United Kingdom

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

May 9, 2022

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.  ☐

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

EXPLANATORY NOTE

This Amendment No. 4 (this “Amendment”) amends and supplements the Schedule 13D filed with the Securities and Exchange Commission (the “SEC”) on November 2, 2018, as amended by Amendment No. 1 thereto filed with the SEC on September 29, 2020, Amendment No. 2 thereto filed with the SEC on October 26, 2021, Amendment No. 3 thereto filed with the SEC on February 15, 2022 and Amendment No. 4 thereto filed with the SEC on May 4, 2022 (collectively, the “Schedule 13D”), by the Reporting Persons relating to shares of common stock, $0.0001 par value per share (“Common Stock”), of LogicBio Therapeutics, Inc. (the “Issuer”).

Information reported in the Schedule 13D remains in effect except to the extent that it is amended, restated or superseded by information contained in this Amendment. Capitalized terms used but not defined in this Amendment have the respective meanings set forth in the Schedule 13D.

Item 4 of the Schedule 13D is hereby amended to include the following:

On May 9, 2022, Arix Ltd. sold in open market transactions an aggregate of 1,134,531 shares of the Issuer’s Common Stock at a weighted average price of $0.7241 per share. Following those transactions, the Reporting Persons beneficially owned an aggregate of 700,000 shares of the Issuer’s Common Stock, representing approximately 2.1% of the 32,962,733 shares of the Issuer’s Common Stock outstanding as of April 26, 2022, as reported in the Issuer’s Proxy Statement filed with the SEC on April 29, 2022. As set forth in the cover pages to this Amendment, and Item 5 below, the Reporting Persons no longer beneficially own any shares of the Issuer’s Common Stock.

Item 5 of the Schedule 13D is hereby amended and restated in its entirety as follows:

(a) None.

(b) None.

(c) The Reporting Persons have not engaged in any transactions involving the Issuer’s Common Stock within the last 60 days.

(d) Not applicable.

(e) The Reporting Persons ceased to be the beneficial owners of more than five percent of the Issuer’s Common Stock on May 9, 2022.

SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: February 10, 2023