SYNLOGIC, INC. — Director's Dealing 2023

Apr 5, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNLOGIC, INC. (SYBX)
CIK: 0001527599
Period of Report: 2023-04-03

Reporting Person: Brennan Aoife (Director, See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-04-03	Common Stock	S	19042	$0.5758	Disposed	256301	Direct

Footnotes

F1: Represents the number of shares sold by the reporting person on April 3, 2023 to cover the tax liability in connection with the vesting of three restricted stock awards, vesting on April 1, 2023, that were granted in 2020, 2021, and 2022. The transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 16, 2022.

F2: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.5750 to $0.5798, inclusive. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.