Updated Jul 16, 2026
chiang yao-chung has filed 7 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $21K.

Chiang Yao-Chung is identified in the most recent SEC filing (May 29, 2026) as a director of Ainos, Inc. The provided SEC context does not reveal additional biographical details, education, or past roles. Based on this filing, Chiang Yao-Chung serves on the board of Ainos, Inc., contributing to governance and strategic oversight. To build a fuller biography, additional sources such as company leadership pages or SEC filings would be needed.
| Role | Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-09 | AIMD | Ainos, Inc. | P — Open-market purchase | 3.5K | $2.05 | $7K |
| 2026-06-05 | AIMD | Ainos, Inc. | P — Open-market purchase | 2.0K | $2.13 | $4K |
| 2026-06-01 | AIMD | Ainos, Inc. | P — Open-market purchase | 250 | $2.30 | $575 |
| 2026-05-29 | AIMD | Ainos, Inc. | P — Open-market purchase | 2.0K | $2.00 | $4K |
| 2026-05-20 | AIMD | Ainos, Inc. | P — Open-market purchase | 2.2K | $1.68 | $4K |
| 2026-05-20 | AIMD | Ainos, Inc. | P — Open-market purchase | 500 | $1.65 | $825 |
| 2026-05-07 | AIMD | Ainos, Inc. | P — Open-market purchase | 129 | $1.70 | $219 |
| 2026-05-01 | AIMD | Ainos, Inc. | P — Open-market purchase | 200 | $1.68 | $336 |
| 2026-05-01 | AIMD | Ainos, Inc. | P — Open-market purchase | 100 | $1.75 | $175 |
| 2025-11-26 | AIMD | Ainos, Inc. | A — Grant or award | 50.0K | $2.10 | $105K |
Chiang Yao-Chung is identified in the most recent SEC filing (May 29, 2026) as a director of Ainos, Inc. The provided SEC context does not reveal additional biographical details, education, or past roles. Based on this filing, Chiang Yao-Chung serves on the board of Ainos, Inc., contributing to governance and strategic oversight. To build a fuller biography, additional sources …
7 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 9 open-market purchases ($21K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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