SYNLOGIC, INC. — Director's Dealing 2020

Mar 12, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNLOGIC, INC. (SYBX)
CIK: 0001527599
Period of Report: 2020-03-10

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-03-10	Common Stock	A	13500	$0.00	Acquired	21500	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-03-10	Stock Option (right to buy)	$1.70	A	54000	Acquired	2030-03-10	Common Stock (54000)	Direct

Footnotes

F1: The shares of restricted stock were granted on March 10, 2020 (the "Grant Date") and will vest in four equal annual installments on each anniversary of the Grant Date, subject to the Reporting Person continuing to provide services to the Issuer as Chief Medical Officer through each such vesting date.

F2: The option will vest and become exercisable in equal monthly installments for forty-eight months beginning on April 10, 2020, subject to the Reporting Person continuing to provide services to the Issuer as Chief Medical Officer through each such vesting date.