Baselake Partners, LP - 31 Dec 2025 SCHEDULE 13G/A Report for LeonaBio, Inc. f.k.a. Athira Pharma, Inc. Common Stock, $0.0001 par value per share (ATHA)

Filing Manager
Baselake Partners, LP
Reporting Manager
Baselake Partners, LP
Security
LeonaBio, Inc. f.k.a. Athira Pharma, Inc. Common Stock, $0.0001 par value per share
Symbol
ATHA
Shares outstanding
3,988,895 shares
Disclosed Ownership
75,789 shares
Ownership
1.9%
Form type
SCHEDULE 13G/A
Filing time
06 Feb 2026, 16:29:28 UTC
Date of event
31 Dec 2025
Previous filing
14 Nov 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Baselake Partners, LP 1.9% 75,789 0 75,789 /s/ David Paolella David Paolella, Managing Member of Baselake Management, LLC, its investment manager
Baselake Management, LLC 1.9% 75,789 0 75,789 /s/ David Paolella David Paolella, Managing Member
David Paolella 1.9% 75,789 0 75,789 /s/ David Paolella Individually