Antoine Awad - 04 Feb 2022 Form 4 Insider Report for SYNLOGIC, INC. (SYBX)

Role: Chief Operating Officer
Signature: /s/ Antoine Awad
Issuer symbol: SYBX
Transactions as of: 04 Feb 2022
Net transactions value: $0
Form type: 4
Filing time: 08 Feb 2022, 15:05:21 UTC
Next filing: 06 Apr 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SYBX	Common Stock	Award	$0	+40,820	+95%	$0.000000	83,820	04 Feb 2022	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SYBX	Stock Option (right to buy)	Award	$0	+165,490		$0.000000	165,490	04 Feb 2022	Common Stock	165,490	$1.95	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares of restricted stock were granted on February 4, 2022, and will vest beginning on April 1, 2022 (the "Vesting Start Date") in four equal annual installments on each anniversary of the Vesting Start Date, subject to the Reporting Person continuing to provide services to the Issuer as Chief Operating Officer through each such vesting date.
F2	The option will vest and become exercisable in equal monthly installments for forty-eight months beginning on the date of the grant, which is February 4, 2022, subject to the Reporting Person continuing to provide services to the Issuer as Chief Operating Officer through each such vesting date.