Bradley Radoff - 30 Sep 2025 SCHEDULE 13G/A Report for SYNLOGIC, INC. Common Stock, par value $0.001 per share (SYBX)

Filing Manager: Bradley Radoff
Reporting Manager: Radoff Bradley Louis
Security: SYNLOGIC, INC. Common Stock, par value $0.001 per share
Symbol: SYBX
Shares outstanding: 11.8M shares
Disclosed Ownership: 520K shares
Ownership: 4.4%
Form type: SCHEDULE 13G/A
Filing time: 13 Nov 2025, 16:19:51 UTC
Date of event: 30 Sep 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Radoff Bradley Louis	4.4%	520K	520K	0	/s/ Bradley L. Radoff	Bradley L. Radoff