chiang yao-chung — SEC Form 4 filings
SEC reporting owner CIK 1859317. 11 Form 4 filings on record with FilingPulse; latest filed 2026-06-09.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-02-02 to 2026-06-09. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 9 legs across 7 filings — 10,879 shares, $21,261 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 11.
- Largest priced transaction: purchase of 3,500 shares @ $2.05 ($7,175) in Ainos, Inc., filed 2026-06-09.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Ainos, Inc. (AIMD) | Director | 11 | 9 legs · 10,879 sh · $21,261 | — | 11 |
Form 4 filings — chiang yao-chung
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-09 | 4 | Ainos, Inc. (AIMD) | Purchase (P): 3,500 @ $2.05 | EDGAR |
| 2026-06-05 | 4 | Ainos, Inc. (AIMD) | Purchase (P): 2,000 @ $2.13 | EDGAR |
| 2026-06-01 | 4 | Ainos, Inc. (AIMD) | Purchase (P): 250 @ $2.30 | EDGAR |
| 2026-05-29 | 4 | Ainos, Inc. (AIMD) | Purchase (P): 2,000 @ $2 | EDGAR |
| 2026-05-20 | 4 | Ainos, Inc. (AIMD) | Purchase (P): 500 @ $1.65 · Purchase (P): 2,200 @ $1.68 | EDGAR |
| 2026-05-07 | 4 | Ainos, Inc. (AIMD) | Purchase (P): 129 @ $1.70 | EDGAR |
| 2026-05-01 | 4 | Ainos, Inc. (AIMD) | Purchase (P): 100 @ $1.75 · Purchase (P): 200 @ $1.68 | EDGAR |
| 2025-11-26 | 4 | Ainos, Inc. (AIMD) | Grant/award (A): 50,000 @ $2.10 · Grant/award (A): 50,000 (derivative) · Conversion (C): 50,000 (derivative) | EDGAR |
| 2025-03-12 | 4 | Ainos, Inc. (AIMD) | Grant/award (A): 150,000 @ $0.46 · Grant/award (A): 150,000 (derivative) · Conversion (C): 150,000 (derivative) | EDGAR |
| 2025-01-31 | 4 | Ainos, Inc. (AIMD) | Grant/award (A): 1,468 @ $0.68 · Grant/award (A): 1,468 (derivative) · Conversion (C): 1,468 (derivative) | EDGAR |
| 2024-02-02 | 4 | Ainos, Inc. (AIMD) | Grant/award (A): 1,466 @ $0.94 · Conversion (C): 1,466 (derivative) | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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