Filing Details

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

Adi Barzel

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a)  ☐        (b)  ☐

SEC USE ONLY

CITIZENSHIP OR PLACE OF ORGANIZATION

Israel

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

1,227,212¹

SHARED VOTING POWER

0

SOLE DISPOSITIVE POWER

1,227,212¹

SHARED DISPOSITIVE POWER

0

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,227,212

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)  ☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

5.8%²

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

    IN

Includes 1,036,963 shares of Common Stock directly held by the Reporting Person and 190,249 shares of Common Stock issuable to the Reporting Person upon exercise of options within 60 days of December 31, 2018.

The percentage set forth above is based on an aggregate of 21,176,129 shares of Common Stock outstanding as of November 30, 2018, as reported in the Issuers Report on Form 10-Q for the period ended September 30, 2018 filed with the Securities and Exchange Commission on December 3, 2018.

Name of Issuer:

LogicBio Therapeutics, Inc. (the Issuer)

Address of Issuers Principal Executive Offices:

610 Main St., 3^rd Floor, Cambridge, MA 02139

Name of Persons Filing:

Adi Barzel

Address of Principal Business Office or, if None, Residence:

8/1 Beit Oren Street, Hod-Hasharon, Israel 4538421

Citizenship:

Israel

Title of Class of Securities:

Common Stock, par value $0.0001 per share

CUSIP Number:

54142F102

If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:

Not applicable.

Ownership:

(a) through (c): The information requested herein is incorporated by reference to the cover page to this Schedule 13G.

Ownership of Five Percent or Less of a Class:

Not applicable.

Ownership of More than Five Percent on Behalf of Another Person:

Not applicable.

Identification and Classification of the Subsidiary which Acquired the Security Being Reported on By the Parent Holding Company or Control Person:

Not applicable.

Identification and Classification of Members of the Group:

Not applicable.

Notice of Dissolution of Group:

Not applicable.

Certification:

Not applicable.

/s/ Adi Barzel