<SEC-DOCUMENT>0001822499-26-000006-index.html : 20260413
<SEC-HEADER>0001822499-26-000006.hdr.sgml : 20260413
<ACCEPTANCE-DATETIME>20260413165815
ACCESSION NUMBER:		0001822499-26-000006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260409
FILED AS OF DATE:		20260413
DATE AS OF CHANGE:		20260413

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CHURCH KEVIN
		CENTRAL INDEX KEY:			0001822499
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39503
		FILM NUMBER:		26858375

	MAIL ADDRESS:	
		STREET 1:		18706 NORTH CREEK PARKWAY, SUITE 104
		CITY:			BOTHELL
		STATE:			WA
		ZIP:			98011

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LeonaBio, Inc.
		CENTRAL INDEX KEY:			0001620463
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				453368487
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		18706 NORTH CREEK PARKWAY, SUITE 104
		CITY:			BOTHELL
		STATE:			WA
		ZIP:			98011
		BUSINESS PHONE:		(425) 620-8501

	MAIL ADDRESS:	
		STREET 1:		18706 NORTH CREEK PARKWAY, SUITE 104
		CITY:			BOTHELL
		STATE:			WA
		ZIP:			98011

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Athira Pharma, Inc.
		DATE OF NAME CHANGE:	20190916

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	M3 Biotechnology, Inc.
		DATE OF NAME CHANGE:	20140924
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-04132026_080410.xml
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Document 1 - file: form4-04132026_080410.html

Document 1 - RAW XML: form4-04132026_080410.xml

</DOCUMENT>
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