Based on data from the past 90 days ending February 19, 2026, Ainos's three largest insider shareholders are TenPercentOwner Carbon Nano Technology Corp Taiwan (989.92K shares), Ceo And President And Chairman Chun-Hsien Tsai (410.37K shares), Director Ting-Chuan Lee (365.71K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Inc Ainos | 98,253 | 21 Apr, 2023 | |
| Wen-Han Chang | 101,631 | 26 Nov, 2025 | |
| Hsiu-Chen Chiu | 64 | 28 Dec, 2021 | |
| Carbon Nano Technology Corp Taiwan | 989,925 | 29 Jan, 2026 | |
| Lawrence K Lin | E.V.P. Of Operations | 2,261 | 20 Feb, 2024 |
| Chun-Hsien Tsai | Ceo And President And Chairman | 410,372 | 26 Nov, 2025 |
| Ting-Chuan Lee | 365,707 | 26 Nov, 2025 | |
| Chun-Jung Tsai | 356,999 | 26 Nov, 2025 | |
| Yao-Chung Chiang | 91,283 | 26 Nov, 2025 | |
| Hui-Lan Wu | Chief Financial Officer | 1,350 | 05 Jul, 2023 |
| Pao-Sheng Wei | 90,880 | 26 Nov, 2025 | |
| Chung-Yi Tsai | 90,880 | 26 Nov, 2025 | |
| Hsin-Liang Christopher Lee | Cfo | 75,275 | 26 Nov, 2025 |
| Meng Lin Sung | Chief Financial Officer | 12,210 | 20 Feb, 2024 |
| Test, Inc. Ase | 11,777 | 25 Jun, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 28 Jan, 2026 | Carbon Nano Technology Corp Taiwan | Common Stock | D | 46,000 | $2.17 | 989,925 | D | S |
| 09 Jan, 2026 | Carbon Nano Technology Corp Taiwan | Common Stock | D | 431 | $1.86 | 1,035,925 | D | S |
| 08 Jan, 2026 | Carbon Nano Technology Corp Taiwan | Common Stock | D | 850 | $1.80 | 1,036,356 | D | S |
| 25 Nov, 2025 | Hsin-Liang Christopher Lee | Common Stock | A | 20,000 | $2.10 | 75,275 | D | A |
| 25 Nov, 2025 | Hsin-Liang Christopher Lee | - | - | 75,275 | D | |||
| 25 Nov, 2025 | Ting-Chuan Lee | Common Stock | A | 80,000 | $2.10 | 365,707 | D | A |
| 25 Nov, 2025 | Wen-Han Chang | Common Stock | A | 50,000 | $2.10 | 101,546 | D | A |
| 25 Nov, 2025 | Yao-Chung Chiang | Common Stock | A | 50,000 | $2.10 | 91,280 | D | A |
| 25 Nov, 2025 | Chung-Yi Tsai | Common Stock | A | 50,000 | $2.10 | 90,880 | D | A |
| 25 Nov, 2025 | Chun-Jung Tsai | Common Stock | A | 80,000 | $2.10 | 356,999 | D | A |
| 25 Nov, 2025 | Chun-Hsien Tsai | Common Stock | A | 80,000 | $2.10 | 410,372 | D | A |
| 25 Nov, 2025 | Pao-Sheng Wei | Common Stock | A | 50,000 | $2.10 | 90,880 | D | A |
| 06 Oct, 2025 | Carbon Nano Technology Corp Taiwan | Common Stock | D | 7,000 | $3.59 | 1,037,206 | D | S |
| 02 Oct, 2025 | Carbon Nano Technology Corp Taiwan | Common Stock | D | 2,000 | $3.58 | 1,044,206 | D | S |
| 01 Oct, 2025 | Carbon Nano Technology Corp Taiwan | Common Stock | D | 1,700 | $3.46 | 1,046,206 | D | S |
| 30 Sep, 2025 | Carbon Nano Technology Corp Taiwan | Common Stock | D | 1,006 | $3.52 | 1,047,906 | D | S |
| 06 Aug, 2025 | Carbon Nano Technology Corp Taiwan | Common Stock | A | 20,000 | $2.95 | 1,048,912 | D | S |
| 05 Aug, 2025 | Carbon Nano Technology Corp Taiwan | Common Stock | A | 11,191 | $2.44 | 1,068,912 | D | S |
| 18 Jul, 2025 | Carbon Nano Technology Corp Taiwan | Common Stock | A | 7,000 | $2.81 | 1,080,103 | D | S |
| 17 Jul, 2025 | Carbon Nano Technology Corp Taiwan | Common Stock | A | 7,001 | $2.80 | 1,087,103 | D | S |