SYNLOGIC, INC. — Director's Dealing 2017

Dec 23, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNLOGIC, INC. (SYBX)
CIK: 0001527599
Period of Report: 2017-10-31

Reporting Person: Gengos Andrew (See Remarks)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-10-31	Stock Option (right to buy)	$14.71	A	154000	Acquired	2017-10-09	Common Stock (154000)	Direct

Footnotes

F1: The option vests and becomes exercisable as to one-fourth (1/4th) of the shares, on October 9, 2018, and the remainder will vest at one-forty-eighth (1/48th) per month thereafter; subject to the Reporting Person continuing to provide services to the Issuer through such vesting date.