PERCEPTIVE ADVISORS LLC - 18 Dec 2025 SCHEDULE 13D/A Report for Athira Pharma, Inc. Common Stock, $0.0001 par value (ATHA)

Filing Manager
PERCEPTIVE ADVISORS LLC
Reporting Manager
Joseph Edelman
Security
Athira Pharma, Inc. Common Stock, $0.0001 par value
Symbol
ATHA
Shares outstanding
3,957,007 shares
Disclosed Ownership
550,024 shares
Ownership
13.9%
Form type
SCHEDULE 13D/A
Filing time
22 Dec 2025, 16:30:03 UTC
Date of event
18 Dec 2025
Next filing
23 Dec 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Perceptive Advisors LLC 13.7% 540,296 0 540,296 /s/ Joseph Edelman Joseph Edelman, Managing Member 0001224962
Joseph Edelman 13.9% 550,024 0 550,024 /s/ Joseph Edelman Joseph Edelman 0001164426
Perceptive Life Sciences Master Fund, Ltd. 13.7% 540,296 0 540,296 /s/ Joseph Edelman Joseph Edelman, Managing Member 0001249675