Quick Takeaways
- Steven Michael Oliveira filed SCHEDULE 13G/A for Athira Pharma, Inc. Common Stock (ATHA).
- Disclosed ownership: 4.1%.
- Date of event: 01 Oct 2025.
Steven Michael Oliveira - 01 Oct 2025 SCHEDULE 13G/A Report for Athira Pharma, Inc. Common Stock (ATHA)
- Filing Manager
- Steven Michael Oliveira
- Reporting Manager
- Oliveira Steven Michael
- Security
- Athira Pharma, Inc. Common Stock
- Symbol
- ATHA
- Shares outstanding
- 3,943,689 shares
- Disclosed Ownership
- 161,218 shares
- Ownership
- 4.1%
- Form type
- SCHEDULE 13G/A
- Filing time
- 10 Oct 2025, 16:41:03 UTC
- Date of event
- 01 Oct 2025
- Previous filing
- 16 Apr 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Steven Michael Oliveira disclosed 4.1% ownership in Athira Pharma, Inc. Common Stock (ATHA) on 01 Oct 2025."
What Changed
- Previous schedule filing date: 16 Apr 2025.
- Current filing was accepted on 10 Oct 2025, 16:41.
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.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Oliveira Steven Michael | 4.1% | 161,218 | 0 | 161,218 | /s/ Oliveira Steven Michael | Individual | |
| Nemean Asset Management, LLC | 3.8% | 151,218 | 0 | 151,218 | /s/ Oliveira Steven Michael | Authorized Signer | |
| South Ocean Capital LLC | 0.25% | 10,000 | 0 | 10,000 | /s/ Oliveira Steven Michael | Authorized Signer | |
| South Ocean Capital Management LLC | 0% | 0 | 0 | 0 | /s/ Oliveira Steven Michael | Authorized Signer |