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United States Biotechnology & Medical Research

Ainos Inc (AIMD)

Track

Over the last 90 days, Ainos Inc. has seen significant insider selling activity, with total sales exceeding $387,000 against total buys of approximately $25,000. This resulted in a net negative value of over $362,000. While there were 16 transactions, the net number of buying insiders was -2, indicating more sellers than buyers.
Stock chart
Ticker: AIMD Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
chiang yao-chung
1 purchase — total 100,000 USD
Buy 5 Jun 2026
Value US$914,982.02 | Price 347.78 | Shares 13,885
Buy 3 Jun 2026
Value US$3,906,397.24 | Price 488.96 | Shares 56,762
Buy 3 Jun 2026
Value US$1,935,841.89 | Price 265.73 | Shares 61,197
Buy 28 May 2026
Value US$575.00 | Price 2.30 | Shares 250
Buy 27 May 2026
Value US$4,000.00 | Price 2.00 | Shares 2,000
Sale 26 May 2026
Value US$208,977.20 | Price 1.90 | Shares 109,988
Sale 26 May 2026
Value US$96,760.00 | Price 2.36 | Shares 41,000
Sale 26 May 2026
Value US$51,832.66 | Price 1.87 | Shares 27,718
Sale 22 May 2026
Value US$1,677.10 | Price 1.55 | Shares 1,082
Sale 22 May 2026
Value US$14,604.14 | Price 1.57 | Shares 9,302
Sale 21 May 2026
Value US$14,040.00 | Price 1.56 | Shares 9,000
Buy 19 May 2026
Value US$3,696.00 | Price 1.68 | Shares 2,200
Buy 18 May 2026
Value US$825.00 | Price 1.65 | Shares 500
Buy 5 May 2026
Value US$219.30 | Price 1.70 | Shares 129
Buy 30 Apr 2026
Value US$336.00 | Price 1.68 | Shares 200
Buy 29 Apr 2026
Value US$175.00 | Price 1.75 | Shares 100
Sale 28 Jan 2026
Value US$99,806.20 | Price 2.17 | Shares 46,000
Sale 9 Jan 2026
Value US$801.66 | Price 1.86 | Shares 431
Sale 8 Jan 2026
Value US$1,534.08 | Price 1.80 | Shares 850
Sale 6 Oct 2025
Value US$25,130.00 | Price 3.59 | Shares 7,000
Sale 2 Oct 2025
Value US$7,170.00 | Price 3.59 | Shares 2,000
Sale 1 Oct 2025
Value US$5,887.61 | Price 3.46 | Shares 1,700
Sale 30 Sep 2025
Value US$3,537.80 | Price 3.52 | Shares 1,006
Sale 27 Jun 2025
Value US$5,020.00 | Price 0.50 | Shares 10,000
Sale 25 Jun 2025
Value US$3,519.60 | Price 0.50 | Shares 7,000
Sale 25 Jun 2025
Value US$1,475.94 | Price 0.51 | Shares 2,894
Sale 23 Jun 2025
Value US$5,000.00 | Price 0.50 | Shares 10,000
Sale 19 Jun 2025
Value US$6,015.19 | Price 0.55 | Shares 10,903
Sale 18 Jun 2025
Value US$2,608.50 | Price 0.52 | Shares 5,000
Buy 26 Apr 2023
Value US$48,558.66 | Price 0.79 | Shares 61,157
Sale 19 Apr 2023
Value US$300,000.00 | Price 0.75 | Shares 400,000
Buy 21 Dec 2021
Value US$166,993.00 | Price 0.50 | Shares 333,986
Buy 20 Dec 2021
Value US$4,466.00 | Price 0.50 | Shares 8,932
Buy 20 Dec 2021
Value US$66,993.00 | Price 0.50 | Shares 133,986
Buy 6 Dec 2021
Value US$300,000.00 | Price 2.00 | Shares 150,000
Buy 6 Dec 2021
Value US$1,000,000.00 | Price 0.25 | Shares 4,000,000
Buy 12 Oct 2020
Value US$56.00 | Price 0.14 | Shares 400
Buy 9 Oct 2020
Value US$13.00 | Price 0.13 | Shares 100
Buy 9 Oct 2020
Value US$28.00 | Price 0.14 | Shares 200
Buy 8 Oct 2020
Value US$52.00 | Price 0.13 | Shares 400
Buy 5 Oct 2020
Value US$44.00 | Price 0.22 | Shares 200
Buy 28 Sep 2020
Value US$54.00 | Price 0.18 | Shares 300
Buy 22 Sep 2020
Value US$40.00 | Price 0.20 | Shares 200
Buy 21 Sep 2020
Value US$128.00 | Price 0.16 | Shares 800
Buy 17 Sep 2020
Value US$22.00 | Price 0.22 | Shares 100
Buy 11 Sep 2020
Value US$18.00 | Price 0.18 | Shares 100
Buy 3 Sep 2020
Value US$63.00 | Price 0.21 | Shares 300
Buy 2 Sep 2020
Value US$42.00 | Price 0.21 | Shares 200
Buy 27 Aug 2020
Value US$21.00 | Price 0.21 | Shares 100
Buy 24 Aug 2020
Value US$21.00 | Price 0.21 | Shares 100
Buy 19 Aug 2020
Value US$63.00 | Price 0.21 | Shares 300
Buy 14 Aug 2020
Value US$22.00 | Price 0.22 | Shares 100
Buy 14 Aug 2020
Value US$21.00 | Price 0.21 | Shares 100
Buy 10 Aug 2020
Value US$21.00 | Price 0.21 | Shares 100
Buy 7 Aug 2020
Value US$84.00 | Price 0.21 | Shares 400
Buy 31 Jul 2020
Value US$100.00 | Price 0.20 | Shares 500
Buy 31 Jul 2020
Value US$150.00 | Price 0.30 | Shares 500
Buy 30 Jul 2020
Value US$11.50 | Price 0.23 | Shares 50
Buy 1 Jul 2020
Value US$11.00 | Price 0.22 | Shares 50
Buy 23 Jun 2020
Value US$22.00 | Price 0.22 | Shares 100
Buy 26 May 2020
Value US$23.00 | Price 0.23 | Shares 100
Buy 19 May 2020
Value US$11.50 | Price 0.23 | Shares 50
Buy 15 May 2020
Value US$11.50 | Price 0.23 | Shares 50
Buy 14 May 2020
Value US$11.50 | Price 0.23 | Shares 50
Buy 13 May 2020
Value US$23.00 | Price 0.23 | Shares 100
Buy 28 Apr 2020
Value US$23.00 | Price 0.23 | Shares 100
Buy 23 Apr 2020
Value US$11.50 | Price 0.23 | Shares 50
Buy 23 Apr 2020
Value US$12.50 | Price 0.25 | Shares 50
Buy 21 Apr 2020
Value US$27.00 | Price 0.27 | Shares 100
Buy 17 Apr 2020
Value US$23.00 | Price 0.23 | Shares 100
Buy 16 Apr 2020
Value US$46.00 | Price 0.23 | Shares 200
Buy 15 Apr 2020
Value US$22.00 | Price 0.22 | Shares 100
Buy 14 Apr 2020
Value US$44.00 | Price 0.22 | Shares 200
Buy 9 Apr 2020
Value US$24.00 | Price 0.24 | Shares 100
Buy 7 Apr 2020
Value US$24.00 | Price 0.24 | Shares 100
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-09 2026-06-05 B Purchase
chiang yao-chung
Non-Executive Director
13,885 -25.9%
347.78
US$914,982 		13,885 -25.9% 347.78 US$914,982
2026-06-05 2026-06-03 B Purchase
chiang yao-chung
Non-Executive Director
56,762 +15.1%
488.96
US$3,906,397 		56,762 +15.1% 488.96 US$3,906,397
2026-06-05 2026-06-03 B Purchase
chiang yao-chung
Non-Executive Director
61,197 +1.6%
265.73
US$1,935,842 		61,197 +1.6% 265.73 US$1,935,842
2026-06-01 2026-05-28 B Purchase
chiang yao-chung
Non-Executive Director
250 +4.5%
2.30
US$575 		250 +4.5% 2.30 US$575
2026-05-29 2026-05-27 B Purchase
chiang yao-chung
Non-Executive Director
2,000 +56.7%
2.00
US$4,000 		2,000 +56.7% 2.00 US$4,000
2026-05-27 2026-05-26 S Sale
1.7
lee ting-chuan
Non-Executive Director
109,988 -12.0%
1.90
US$208,977 		109,988 -12.0% 1.90 US$208,977
2026-05-27 2026-05-26 S Sale
3.2
Taiwan Carbon Nano Technology Corp
Large shareholder
41,000 -4.1%
2.36
US$96,760 		41,000 -4.1% 2.36 US$96,760
2026-05-27 2026-05-26 S Sale
1.9
TSAI CHUN-JUNG
Non-Executive Director
27,718 -4.0%
1.87
US$51,833 		27,718 -4.0% 1.87 US$51,833
2026-05-27 2026-05-22 S Sale
1.9
TSAI CHUN-JUNG
Non-Executive Director
1,082 -0.2%
1.55
US$1,677 		1,082 -0.2% 1.55 US$1,677
2026-05-26 2026-05-22 S Sale
1.7
lee ting-chuan
Non-Executive Director
9,302 -1.0%
1.57
US$14,604 		9,302 -1.0% 1.57 US$14,604
2026-05-26 2026-05-21 S Sale
1.7
lee ting-chuan
Non-Executive Director
9,000 -1.0%
1.56
US$14,040 		9,000 -1.0% 1.56 US$14,040
2026-05-20 2026-05-19 B Purchase
chiang yao-chung
Non-Executive Director
2,200 +165.5%
1.68
US$3,696 		2,200 +165.5% 1.68 US$3,696
2026-05-20 2026-05-18 B Purchase
chiang yao-chung
Non-Executive Director
500 +60.3%
1.65
US$825 		500 +60.3% 1.65 US$825
2026-05-07 2026-05-05 B Purchase
chiang yao-chung
Non-Executive Director
129 +18.4%
1.70
US$219 		129 +18.4% 1.70 US$219
2026-05-01 2026-04-30 B Purchase
chiang yao-chung
Non-Executive Director
200 +40.0%
1.68
US$336 		200 +40.0% 1.68 US$336
2026-05-01 2026-04-29 B Purchase
chiang yao-chung
Non-Executive Director
100 +25.0%
1.75
US$175 		100 +25.0% 1.75 US$175
2026-01-29 2026-01-28 S Sale
3.2
Taiwan Carbon Nano Technology Corp
Large shareholder
46,000 -4.4%
2.17
US$99,806 		46,000 -4.4% 2.17 US$99,806
2026-01-12 2026-01-09 S Sale
3.2
Taiwan Carbon Nano Technology Corp
Large shareholder
431 -0.0%
1.86
US$802 		431 -0.0% 1.86 US$802
2026-01-12 2026-01-08 S Sale
3.2
Taiwan Carbon Nano Technology Corp
Large shareholder
850 -0.1%
1.80
US$1,534 		850 -0.1% 1.80 US$1,534
2025-10-08 2025-10-06 S Sale
3.2
Taiwan Carbon Nano Technology Corp
Large shareholder
7,000 -0.7%
3.59
US$25,130 		7,000 -0.7% 3.59 US$25,130
2025-10-06 2025-10-02 S Sale
3.2
Taiwan Carbon Nano Technology Corp
Large shareholder
2,000 -0.2%
3.59
US$7,170 		2,000 -0.2% 3.59 US$7,170
2025-10-02 2025-10-01 S Sale
3.2
Taiwan Carbon Nano Technology Corp
Large shareholder
1,700 -0.2%
3.46
US$5,888 		1,700 -0.2% 3.46 US$5,888
2025-10-02 2025-09-30 S Sale
3.2
Taiwan Carbon Nano Technology Corp
Large shareholder
1,006 -0.1%
3.52
US$3,538 		1,006 -0.1% 3.52 US$3,538
2025-06-27 2025-06-27 S Sale
1.9
TSAI CHUN-JUNG
Non-Executive Director
10,000 -0.7%
0.50
US$5,020 		10,000 -0.7% 0.50 US$5,020
2025-06-27 2025-06-25 S Sale
1.9
TSAI CHUN-JUNG
Non-Executive Director
7,000 -0.5%
0.50
US$3,520 		7,000 -0.5% 0.50 US$3,520
2025-06-27 2025-06-25 S Sale
1.7
lee ting-chuan
Non-Executive Director
2,894 -0.2%
0.51
US$1,476 		2,894 -0.2% 0.51 US$1,476
2025-06-23 2025-06-23 S Sale
1.9
TSAI CHUN-JUNG
Non-Executive Director
10,000 -0.7%
0.50
US$5,000 		10,000 -0.7% 0.50 US$5,000
2025-06-23 2025-06-19 S Sale
1.9
TSAI CHUN-JUNG
Non-Executive Director
10,903 -0.8%
0.55
US$6,015 		10,903 -0.8% 0.55 US$6,015
2025-06-23 2025-06-18 S Sale
1.9
TSAI CHUN-JUNG
Non-Executive Director
5,000 -0.4%
0.52
US$2,608 		5,000 -0.4% 0.52 US$2,608
2023-04-26 2023-04-26 B Purchase
1.7
lee ting-chuan
Non-Executive Director
61,157 +inf%
0.79
US$48,559 		61,157 +inf% 0.79 US$48,559
2023-04-21 2023-04-19 S Sale
2.2
AINOS INC
Large shareholder
400,000 -3.0%
0.75
US$300,000 		400,000 -3.0% 0.75 US$300,000
2021-12-21 2021-12-21 B Purchase
2.3
tsai chun-hsien

CHIEF EXECUTIVE OFFICER

Executive Director
333,986 +inf%
0.50
US$166,993 		333,986 +inf% 0.50 US$166,993
2022-11-14 2021-12-20 B Purchase
1.9
tsai chung-jung
Non-Executive Director
8,932 +inf%
0.50
US$4,466 		8,932 +inf% 0.50 US$4,466
2021-12-21 2021-12-20 B Purchase
1.9
tsai chung-jung
Non-Executive Director
133,986 +inf%
0.50
US$66,993 		133,986 +inf% 0.50 US$66,993
2021-12-09 2021-12-06 B Purchase
chiang yao-chung
Non-Executive Director
150,000 +inf%
2.00
US$300,000 		150,000 +inf% 2.00 US$300,000
2021-12-09 2021-12-06 B Purchase
chang wen-han
Non-Executive Director
4,000,000 +inf%
0.25
US$1,000,000 		4,000,000 +inf% 0.25 US$1,000,000
2020-10-13 2020-10-12 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
400 +0.1%
0.14
US$56 		400 +0.1% 0.14 US$56
2020-10-13 2020-10-09 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.13
US$13 		100 +0.0% 0.13 US$13
2020-10-13 2020-10-09 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
200 +0.0%
0.14
US$28 		200 +0.0% 0.14 US$28
2020-10-09 2020-10-08 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
400 +0.1%
0.13
US$52 		400 +0.1% 0.13 US$52
2020-10-08 2020-10-05 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
200 +0.0%
0.22
US$44 		200 +0.0% 0.22 US$44
2020-10-02 2020-09-28 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
300 +0.0%
0.18
US$54 		300 +0.0% 0.18 US$54
2020-09-22 2020-09-22 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
200 +0.0%
0.20
US$40 		200 +0.0% 0.20 US$40
2020-09-22 2020-09-21 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
800 +0.1%
0.16
US$128 		800 +0.1% 0.16 US$128
2020-09-22 2020-09-17 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.22
US$22 		100 +0.0% 0.22 US$22
2020-09-14 2020-09-11 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.18
US$18 		100 +0.0% 0.18 US$18
2020-09-08 2020-09-03 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
300 +0.0%
0.21
US$63 		300 +0.0% 0.21 US$63
2020-09-08 2020-09-02 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
200 +0.0%
0.21
US$42 		200 +0.0% 0.21 US$42
2020-09-08 2020-08-27 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.21
US$21 		100 +0.0% 0.21 US$21
2020-08-25 2020-08-24 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.21
US$21 		100 +0.0% 0.21 US$21
2020-08-20 2020-08-19 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
300 +0.0%
0.21
US$63 		300 +0.0% 0.21 US$63
2020-08-20 2020-08-14 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.22
US$22 		100 +0.0% 0.22 US$22
2020-08-20 2020-08-14 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.21
US$21 		100 +0.0% 0.21 US$21
2020-08-20 2020-08-10 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.21
US$21 		100 +0.0% 0.21 US$21
2020-08-07 2020-08-07 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
400 +0.1%
0.21
US$84 		400 +0.1% 0.21 US$84
2020-08-07 2020-07-31 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
500 +0.1%
0.20
US$100 		500 +0.1% 0.20 US$100
2020-08-07 2020-07-31 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
500 +0.1%
0.30
US$150 		500 +0.1% 0.30 US$150
2020-08-07 2020-07-30 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
50 +0.0%
0.23
US$12 		50 +0.0% 0.23 US$12
2020-07-01 2020-07-01 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
50 +0.0%
0.22
US$11 		50 +0.0% 0.22 US$11
2020-06-24 2020-06-23 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.22
US$22 		100 +0.0% 0.22 US$22
2020-05-29 2020-05-26 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.23
US$23 		100 +0.0% 0.23 US$23
2020-05-19 2020-05-19 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
50 +0.0%
0.23
US$12 		50 +0.0% 0.23 US$12
2020-05-19 2020-05-15 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
50 +0.0%
0.23
US$12 		50 +0.0% 0.23 US$12
2020-05-21 2020-05-14 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
50 +0.4%
0.23
US$12 		50 +0.4% 0.23 US$12
2020-05-15 2020-05-13 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.23
US$23 		100 +0.0% 0.23 US$23
2020-04-30 2020-04-28 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.23
US$23 		100 +0.0% 0.23 US$23
2020-04-24 2020-04-23 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
50 +0.0%
0.23
US$12 		50 +0.0% 0.23 US$12
2020-04-24 2020-04-23 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
50 +0.0%
0.25
US$12 		50 +0.0% 0.25 US$12
2020-04-22 2020-04-21 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.27
US$27 		100 +0.0% 0.27 US$27
2020-04-17 2020-04-17 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.23
US$23 		100 +0.0% 0.23 US$23
2020-04-17 2020-04-16 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
200 +0.0%
0.23
US$46 		200 +0.0% 0.23 US$46
2020-04-17 2020-04-15 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.22
US$22 		100 +0.0% 0.22 US$22
2020-04-15 2020-04-14 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
200 +0.0%
0.22
US$44 		200 +0.0% 0.22 US$44
2020-04-15 2020-04-09 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director Large shareholder
100 +0.0%
0.24
US$24 		100 +0.0% 0.24 US$24
2020-04-09 2020-04-07 B Purchase
3.6
CHEN STEPHEN T

President,Chairman,CEO,CFO

Executive Director
100 +0.0%
0.24
US$24 		100 +0.0% 0.24 US$24
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