<SEC-DOCUMENT>0002023849-25-000003-index.html : 20250929
<SEC-HEADER>0002023849-25-000003.hdr.sgml : 20250929
<ACCEPTANCE-DATETIME>20250929170006
ACCESSION NUMBER:		0002023849-25-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250925
FILED AS OF DATE:		20250929
DATE AS OF CHANGE:		20250929

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ruddy Marcella K.
		CENTRAL INDEX KEY:			0002023849
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38537
		FILM NUMBER:		251357071

	MAIL ADDRESS:	
		STREET 1:		C/O TECTONIC THERAPEUTIC, INC.
		STREET 2:		490 ARSENAL WAY, SUITE 210
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tectonic Therapeutic, Inc.
		CENTRAL INDEX KEY:			0001681087
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				810710585
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		490 ARSENAL WAY
		STREET 2:		SUITE 210
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472
		BUSINESS PHONE:		(339) 666-3320

	MAIL ADDRESS:	
		STREET 1:		490 ARSENAL WAY
		STREET 2:		SUITE 210
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AVROBIO, Inc.
		DATE OF NAME CHANGE:	20180131

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AvroBio, Inc.
		DATE OF NAME CHANGE:	20160729
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-09292025_050903.xml
<TEXT>
Document 1 - file: form4-09292025_050903.html

Document 1 - RAW XML: form4-09292025_050903.xml

</DOCUMENT>
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