SYNLOGIC, INC. — Director's Dealing 2020

Jan 2, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNLOGIC, INC. (SYBX)
CIK: 0001527599
Period of Report: 2019-12-31

Reporting Person: Riese Richard J. (Chief Medical Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-12-31	Stock Option (right to buy)	$2.58	A	150000	Acquired	2029-12-31	Common Stock (150000)	Direct

Footnotes

F1: The option will vest and become exercisable as to one-fourth (1/4) of the shares on September 16, 2020, and the remainder will vest and become exercisable at one-forty-eighth (1/48th) of the shares per month thereafter, subject to the Reporting Person continuing to provide services to the Issuer as Chief Medical Officer through each such vesting date.