SYNLOGIC, INC. — Director's Dealing 2022

Feb 1, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNLOGIC, INC. (SYBX)
CIK: 0001527599
Period of Report: 2021-12-06

Reporting Person: BELOFF GREGG (See Remarks)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-12-06	Stock Option (right to buy)	$2.34	A	50000	Acquired	2031-12-06	Common Stock (50000)	Direct

Footnotes

F1: The options were issued to the Reporting Person pursuant to the Issuer's 2015 Equity Incentive Award Plan. Such options vest in 12 equal monthly installments starting November 1, 2021, provided the Reporting Person continues to provide services to the Issuer. An aggregate of 50% of the options shall vest immediately if the Issuer terminates the Reporting Person's services before May 1, 2022.