Quick Takeaways
- Chun-Hsien Tsai filed SCHEDULE 13D/A for Ainos, Inc. Common Stock, par value $0.01 per share (AIMD).
- Disclosed ownership: 7%.
- Date of event: 25 Nov 2025.
Chun-Hsien Tsai - 25 Nov 2025 SCHEDULE 13D/A Report for Ainos, Inc. Common Stock, par value $0.01 per share (AIMD)
- Filing Manager
- Chun-Hsien Tsai
- Reporting Manager
- Chun-Hsien Tsai
- Symbol
- AIMD
- Shares outstanding
- 5,862,457 shares
- Disclosed Ownership
- 410,372 shares
- Ownership
- 7%
- Form type
- SCHEDULE 13D/A
- Filing time
- 28 Nov 2025, 13:05:31 UTC
- Date of event
- 25 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Chun-Hsien Tsai disclosed 7% ownership in Ainos, Inc. Common Stock, par value $0.01 per share (AIMD) on 25 Nov 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 28 Nov 2025, 13:05.
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 (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Chun-Hsien Tsai | 7% | 410,372 | 0 | 410,372 | /s/ Chun-Hsien Tsai | Chun-Hsien Tsai | 0001859363 |