SYNLOGIC, INC. — Director's Dealing 2018

Jan 3, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNLOGIC, INC. (SYBX)
CIK: 0001527599
Period of Report: 2017-12-29

Reporting Person: Shea Richard P (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-12-29	Stock Option (right to buy)	$9.70	A	17143	Acquired	2027-12-29	Common Stock (17143)	Direct

Footnotes

F1: The options vest and become exercisable in substantially equal installments on each of the first three anniversaries of August 28, 2017 subject to the Reporting Person continuing to provide services to the Issuer through each such vesting date.