Ainos, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Ainos, Inc. (AIMD), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are AIMD insiders buying or selling?
In the last 12 months, Ainos, Inc. insiders reported 7 open-market purchases ($21.3K) and 6 sales ($490.0K) — net selling of $468.8K. Since January 2018, Trabud has recorded 199 Form 4 filings for AIMD: 187 buys ($2.3M) and 12 sells ($555.4K).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $7.2K by Yao-Chung Chiang (Director) on Jun 9, 2026. SEC ↗
- The most recent open-market purchase was reported on Jun 9, 2026 (4 months ago).
Key Statistics (January 2018 – Jun 9, 2026)
Total Form 4 filings
199
SEC EDGAR
Insider filers
9
Insider buys (187)
$2.3M
Insider sells (12)
$555.4K
Insider sentiment
Net buyingNet insider flow of $1.7M in net buying since January 2018, and $468.8K in net selling over the last 12 months.
Recent AIMD insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Jun 9, 2026 | Yao-Chung Chiang | Director | Purchase | 3.5K | $2.05 | $7.2K | SEC ↗ |
| Jun 5, 2026 | Yao-Chung Chiang | Director | Purchase | 2.0K | $2.13 | $4.3K | SEC ↗ |
| Jun 1, 2026 | Yao-Chung Chiang | Director | Purchase | 250 | $2.30 | $575 | SEC ↗ |
| May 29, 2026 | Yao-Chung Chiang | Director | Purchase | 2.0K | $2.00 | $4.0K | SEC ↗ |
| May 28, 2026 | Ting-Chuan Lee | Director | Sale | 110.0K | $1.90 | $209.0K | SEC ↗ |
| May 28, 2026 | Taiwan Carbon Nano Technology Corp | 10% Owner | Sale | 41.0K | $2.36 | $96.8K | SEC ↗ |
| May 27, 2026 | Chun-Jung Tsai | Director | Sale | 28.8K | $1.86 | $53.5K | SEC ↗ |
| May 26, 2026 | Ting-Chuan Lee | Director | Sale | 18.3K | $1.57 | $28.6K | SEC ↗ |
| May 20, 2026 | Yao-Chung Chiang | Director | Purchase | 2.7K | $1.67 | $4.5K | SEC ↗ |
| May 7, 2026 | Yao-Chung Chiang | Director | Purchase | 129 | $1.70 | $219.3 | SEC ↗ |
| May 1, 2026 | Yao-Chung Chiang | Director | Purchase | 300 | $1.70 | $511 | SEC ↗ |
| Jan 30, 2026 | Taiwan Carbon Nano Technology Corp | 10% Owner | Sale | 46.0K | $2.17 | $99.8K | SEC ↗ |
| Jan 12, 2026 | Taiwan Carbon Nano Technology Corp | 10% Owner | Sale | 1.3K | $1.82 | $2.3K | SEC ↗ |
| Oct 8, 2025 | Taiwan Carbon Nano Technology Corp | 10% Owner | Sale | 7.0K | $3.59 | $25.1K | SEC ↗ |
| Oct 6, 2025 | Taiwan Carbon Nano Technology Corp | 10% Owner | Sale | 2.0K | $3.59 | $7.2K | SEC ↗ |
| Oct 2, 2025 | Taiwan Carbon Nano Technology Corp | 10% Owner | Sale | 2.7K | $3.48 | $9.4K | SEC ↗ |
| Aug 7, 2025 | Taiwan Carbon Nano Technology Corp | 10% Owner | Purchase | 31.2K | $2.77 | $86.3K | SEC ↗ |
| Jul 21, 2025 | Taiwan Carbon Nano Technology Corp | 10% Owner | Purchase | 14.0K | $2.80 | $39.3K | SEC ↗ |
| Jun 27, 2025 | Ting-Chuan Lee | Director | Sale | 2.9K | $0.51 | $1.5K | SEC ↗ |
| Jun 27, 2025 | Chun-Jung Tsai | Director | Sale | 17.0K | $0.50 | $8.5K | SEC ↗ |
| Jun 25, 2025 | Taiwan Carbon Nano Technology Corp | 10% Owner | Purchase | 29.5K | $0.00 | $0 | SEC ↗ |
| Jun 25, 2025 | ASE Test, Inc. | 10% Owner | Purchase | 29.5K | $0.00 | $0 | SEC ↗ |
| Jun 23, 2025 | Chun-Jung Tsai | Director | Sale | 25.9K | $0.53 | $13.6K | SEC ↗ |
| Apr 26, 2023 | Ting-Chuan Lee | Director | Purchase | 61.2K | $0.79 | $48.6K | SEC ↗ |
| Nov 15, 2022 | Chun-Jung Tsai | Director | Purchase | 8.9K | $0.50 | $4.5K | SEC ↗ |
Showing the 25 most recent of 199 Form 4 filings for Ainos, Inc..
Most active AIMD insiders
- Stephen T Chen169 filings
- Taiwan Carbon Nano Technology Corp9 filings
- Yao-Chung Chiang8 filings
- Chun-Jung Tsai5 filings
- Ting-Chuan Lee4 filings
Ask anything about AIMD insider activity
Use Trabud's AI agent to query Ainos, Inc.'s Form 4 history in plain English — "Show me AIMD CEO purchases this year" or compare it against any other ticker.
Open the AI agentAIMD insider trading FAQ
Are Ainos, Inc. insiders buying or selling?
In the last 12 months, Ainos, Inc. insiders reported 7 open-market purchases ($21.3K) and 6 sales ($490.0K) — net selling of $468.8K. Since January 2018, Trabud has recorded 199 Form 4 filings for AIMD: 187 buys ($2.3M) and 12 sells ($555.4K). Over the full record that is net buying of $1.7M.
How many insiders trade AIMD stock?
9 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Ainos, Inc.. The most recent filing was accepted on Jun 9, 2026.
Where does Trabud get AIMD insider trading data?
All AIMD insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.