Quick Takeaways
- PERCEPTIVE ADVISORS LLC filed SCHEDULE 13D/A for Athira Pharma, Inc. Common Stock, $0.0001 par value (ATHA).
- Disclosed ownership: 14%.
- Date of event: 18 Dec 2025.
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
- Symbol
- ATHA
- Shares outstanding
- 3,957,007 shares
- Disclosed Ownership
- 550,024 shares
- Ownership
- 14%
- 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
Quoteable Key Fact
"PERCEPTIVE ADVISORS LLC disclosed 14% ownership in Athira Pharma, Inc. Common Stock, $0.0001 par value (ATHA) on 18 Dec 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 22 Dec 2025, 16:30.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (3)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Perceptive Advisors LLC | 14% | 540,296 | 0 | 540,296 | /s/ Joseph Edelman | Joseph Edelman, Managing Member | 0001224962 |
| Joseph Edelman | 14% | 550,024 | 0 | 550,024 | /s/ Joseph Edelman | Joseph Edelman | 0001164426 |
| Perceptive Life Sciences Master Fund, Ltd. | 14% | 540,296 | 0 | 540,296 | /s/ Joseph Edelman | Joseph Edelman, Managing Member | 0001249675 |