AIMD insider buying and SEC filings, explained
Ainos, Inc. · CIK 1014763
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq, Nasdaq
- Industry (SIC)
- Computer Peripheral Equipment, NEC
- State of incorporation
- TX
- Fiscal year end
- Dec 31
- Former names
- Ainos, Inc.; AMARILLO BIOSCIENCES INC
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$490K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jun 5, 2026 | Purchase (code P) | yao-chung chiang (Director) bought 3,500 shares indirectly (by spouse) at $2.05 ($7K), reported as a purchase (code P). Holdings by spouse up 45% to 11,279 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 9, 2026 |
| Jun 3, 2026 | Purchase (code P) | yao-chung chiang (Director) bought 2,000 shares indirectly (by spouse) at $2.13 ($4K), reported as a purchase (code P). Holdings by spouse up 35% to 7,779 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 5, 2026 |
| May 28, 2026 | Purchase (code P) | yao-chung chiang (Director) bought 250 shares indirectly (by spouse) at $2.30 ($575), reported as a purchase (code P). Holdings by spouse up 5% to 5,779 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 1, 2026 |
| May 27, 2026 | Purchase (code P) | yao-chung chiang (Director) bought 2,000 shares indirectly (by spouse) at $2.00 ($4K), reported as a purchase (code P). Holdings by spouse up 57% to 5,529 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 29, 2026 |
| May 26, 2026 | Sale | ting-chuan lee (Director) sold 109,988 shares at $1.90 ($209K). Holdings down 12% to 807,417 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 27, 2026 |
| May 26, 2026 | Sale | Taiwan Carbon Nano Technology Corp (10% owner) sold 41,000 shares at $2.36 ($97K). Holdings down 4% to 948,925 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 27, 2026 |
| May 22–26, 2026 | Sale | Chun-Jung Tsai (Director) sold 28,800 shares between May 22 and May 26 at about $1.86 ($54K). Holdings down 4% to 658,199 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 27, 2026 |
| May 21–22, 2026 | Sale | ting-chuan lee (Director) sold 18,302 shares between May 21 and May 22 at about $1.57 ($29K). Holdings down 2% to 917,405 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 26, 2026 |
| May 18–19, 2026 | Purchase (code P) | yao-chung chiang (Director) bought 2,700 shares indirectly (by spouse) between May 18 and May 19 at about $1.67 ($5K), reported as a purchase (code P). Holdings by spouse up 326% to 3,529 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 20, 2026 |
| May 5, 2026 | Purchase (code P) | yao-chung chiang (Director) bought 129 shares indirectly (by spouse) at $1.70 ($219), reported as a purchase (code P). Holdings by spouse up 18% to 829 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 7, 2026 |
| Apr 29–30, 2026 | Purchase (code P) | yao-chung chiang (Director) bought 300 shares indirectly (by spouse) between Apr 29 and Apr 30 at about $1.70 ($511), reported as a purchase (code P). Holdings by spouse up 75% to 700 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 1, 2026 |
| Apr 12, 2026 | Other purchase | ASE Test, Inc. (10% owner) bought 5,994 shares; the filing does not report a price. Holdings up 6% to 105,868 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 15, 2026 |
| Jan 28, 2026 | Sale | Taiwan Carbon Nano Technology Corp (10% owner) sold 46,000 shares at $2.17 ($100K). Holdings down 4% to 989,925 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 29, 2026 |
| Jan 8–9, 2026 | Sale | Taiwan Carbon Nano Technology Corp (10% owner) sold 1,281 shares between Jan 8 and Jan 9 at about $1.82 ($2K). Holdings down <1% to 1,035,925 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 12, 2026 |
11 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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