<SEC-DOCUMENT>0001415889-25-019923-index.html : 20250717
<SEC-HEADER>0001415889-25-019923.hdr.sgml : 20250717
<ACCEPTANCE-DATETIME>20250717161012
ACCESSION NUMBER:		0001415889-25-019923
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250715
FILED AS OF DATE:		20250717
DATE AS OF CHANGE:		20250717

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Conway Kevin John
		CENTRAL INDEX KEY:			0002051408
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39319
		FILM NUMBER:		251130764

	MAIL ADDRESS:	
		STREET 1:		C/O GENERATION BIO CO.
		STREET 2:		215 FIRST STREET, SUITE 150
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Generation Bio Co.
		CENTRAL INDEX KEY:			0001733294
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				814301281
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		301 BINNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		857-529-5908

	MAIL ADDRESS:	
		STREET 1:		301 BINNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-07172025_040708.xml
<TEXT>
Document 1 - file: form4-07172025_040708.html

Document 1 - RAW XML: form4-07172025_040708.xml

</DOCUMENT>
</SEC-DOCUMENT>