Skip to contentchiang yao-chung — AMARILLO BIOSCIENCES INC insider: 26 transactions · InsiderLensInsider trading activity of chiang yao-chung
- Transactions on record
- 26
- since Dec 9, 2021
- Open-market buys
- 10
- $321.3K
- Open-market sells
- 0
- Companies traded
- 1
- last filing Jun 9, 2026
Figures computed from official regulatory filings — methodology.
Companies where chiang yao-chung has traded
Track record of chiang yao-chung
Statistical track record
Free- Open-market buys
- 10
- Last buy
- Jun 5, 2026
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Create a free account→Transaction history of chiang yao-chung
Co-insiders of chiang yao-chung
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COY GARY WAYNEAMARILLO BIOSCIENCES INC
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 9, 2026 | Buy | 3,500 | 2.05 USD | $7.2K | SEC |
| Jun 5, 2026 | Buy | 2,000 | 2.13 USD | $4.3K | SEC |
| Jun 1, 2026 | Buy | 250 | 2.30 USD | $575 | SEC |
| May 29, 2026 | Buy | 2,000 | 2.00 USD | $4K | SEC |
| May 20, 2026 | Buy | 500 | 1.65 USD | $825 | SEC |
| May 20, 2026 | Buy | 2,200 | 1.68 USD | $3.7K | SEC |
| May 7, 2026 | Buy | 129 | 1.70 USD | $219.3 | SEC |
| May 1, 2026 | Buy | 100 | 1.75 USD | $175 | SEC |
| May 1, 2026 | Buy | 200 | 1.68 USD | $336 | SEC |
| Nov 26, 2025 | OtherD | -50,000 | — | — | SEC |
| Nov 26, 2025 | Award | 50,000 | 2.10 USD | $105K | SEC |
| Nov 26, 2025 | AwardD | 50,000 | — | — | SEC |
| Mar 12, 2025 | Award | 150,000 | 0.46 USD | $69K | SEC |
| Mar 12, 2025 | AwardD | 150,000 | — | — | SEC |
| Mar 12, 2025 | OtherD | -150,000 | — | — | SEC |
| Jan 31, 2025 | OtherD | -1,468 | — | — | SEC |
| Jan 31, 2025 | Award | 1,468 | 0.68 USD | $998.2 | SEC |
| Jan 31, 2025 | AwardD | 1,468 | — | — | SEC |
| Feb 2, 2024 | Award | 1,466 | 0.94 USD | $1.4K | SEC |
| Feb 2, 2024 | OtherD | -1,466 | — | — | SEC |
| Nov 28, 2023 | OtherD | -7,333 | — | — | SEC |
| Nov 28, 2023 | Award | 250,000 | 0.60 USD | $150K | SEC |
| Apr 12, 2023 | Award | 7,333 | 0.90 USD | $6.6K | SEC |
| Apr 12, 2023 | OtherD | -7,333 | 0.90 USD | $6.6K | SEC |
| Jul 29, 2022 | AwardD | 330,000 | 0.00 USD | $0 | SEC |