NASDAQ false 0001527599 0001527599 2021-09-20 2021-09-20

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 20, 2021

SYNLOGIC, INC.

(Exact name of registrant as specified in its charter)

Delaware |  | 001-37566 |  | 26-1824804
(State or other jurisdiction of incorporation) |  | (Commission File Number) |  | (IRS Employer Identification No.)

301 Binney St., Suite 402 Cambridge, MA |  | 02142
(Address of principal executive offices) |  | (Zip Code)

Registrant’s telephone number, including area code: (617) 401-9975

Not applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class |  | Trading Symbol(s) |  | Name of each exchange on which registered
Common Stock |  | SYBX |  | The Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01. Regulation FD Disclosure.

On September 20, 2021, Synlogic, Inc. (the “Company”) provided slides to accompany its press release announcing positive data from clinical studies evaluating both SYNB1618 and SYNB1934, investigational Synthetic Biotic™ medicines for the treatment of Phenylketonuria (PKU) (the “Press Release”). A copy of the slides is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The Company has also updated its investor presentation (the “Investor Presentation”), which the Company expects to use in connection with general corporate presentations and will be made available on the Company’s website or distributed by the Company in hardcopy or electronic form. A copy of the updated Investor Presentation is attached as Exhibit 99.2 to this Current Report on Form 8-K. The Investor Presentation is current as of September 20, 2021, and the Company disclaims any obligation to update the Investor Presentation after such date.

The information in this Item 7.01 of this Current Report on Form 8-K (including Exhibit 99.1) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 8.01. Other Events.

On September 20, 2021, Synlogic issued the Press Release which is filed as Exhibit 99.3 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

| (d) | Exhibits

99.1 |  | Slide Presentation of Synlogic, Inc. dated September 20, 2021
99.2 |  | Investor Presentation of Synlogic, Inc. dated September 20, 2021
99.3 |  | Press release dated September 20, 2021
104 |  | Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

|  |  |  | Synlogic, Inc. |  |
Date: September 20, 2021 |  |  |  | By: |  | /s/ Gregg Beloff |  |
|  |  |  | Name: |  | Gregg Beloff |  |
|  |  |  | Title: |  | Interim Chief Financial Officer |  |