AIMD

Ainos, Inc.

Insider trading activity for Ainos, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

-$366.6K

net selling

Bought(9 · 1 insiders): $21.3K
Sold(6 · 3 insiders): $387.9K

Past 12 months

-$468.8K

net selling

Bought(9 · 1 insiders): $21.3K
Sold(9 · 3 insiders): $490K

Transaction history

The 68 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jun 5	chiang yao-chung	Director	PBUY	3,500	$2.05	$7.2K	+45.0%	Open the original filing on SEC.gov
Jun 3	chiang yao-chung	Director	PBUY	2,000	$2.13	$4.3K	+34.6%	Open the original filing on SEC.gov
May 28	chiang yao-chung	Director	PBUY	250	$2.30	$575	+4.5%	Open the original filing on SEC.gov
May 27	chiang yao-chung	Director	PBUY	2,000	$2.00	$4K	+56.7%	Open the original filing on SEC.gov
May 26	lee ting-chuan	Director	SSELL	109,988	$1.90	$209K	-12.0%	Open the original filing on SEC.gov
May 26	Taiwan Carbon Nano…	10% Owner	SSELL	41,000	$2.36	$96.8K	-4.1%	Open the original filing on SEC.gov
May 26	Tsai Chun-Jung	Director	SSELL	27,718	$1.87	$51.8K	-4.0%	Open the original filing on SEC.gov
May 22	lee ting-chuan	Director	SSELL	9,302	$1.57	$14.6K	-1.0%	Open the original filing on SEC.gov
May 22	Tsai Chun-Jung	Director	SSELL	1,082	$1.55	$1.7K	-0.2%	Open the original filing on SEC.gov
May 21	lee ting-chuan	Director	SSELL	9,000	$1.56	$14K	-1.0%	Open the original filing on SEC.gov
May 19	chiang yao-chung	Director	PBUY▲	2,200	$1.68	$3.7K	+165.5%	Open the original filing on SEC.gov
May 18	chiang yao-chung	Director	PBUY	500	$1.65	$825	+60.3%	Open the original filing on SEC.gov
May 5	chiang yao-chung	Director	PBUY	129	$1.70	$219	+18.4%	Open the original filing on SEC.gov
Apr 30	chiang yao-chung	Director	PBUY	200	$1.68	$336	+40.0%	Open the original filing on SEC.gov
Apr 29	chiang yao-chung	Director	PBUY★	100	$1.75	$175	+25.0%	Open the original filing on SEC.gov
Apr 15	Tsai Chun-Jung	Director	CCONV◆	330,000	—	—	—	Open the original filing on SEC.gov
Apr 15	Tsai Chun-Jung	Director	AGRANT◆	330,000	—	—	—	Open the original filing on SEC.gov
Apr 15	Tsai Chun-Jung	Director	AGRANT	330,000	$1.61	$531.3K	+92.4%	Open the original filing on SEC.gov
Apr 15	tsai chun-hsien	CEO, President, Chairman	CCONV◆	300,000	—	—	—	Open the original filing on SEC.gov
Apr 15	tsai chun-hsien	CEO, President, Chairman	AGRANT◆	300,000	—	—	—	Open the original filing on SEC.gov
Apr 15	tsai chun-hsien	CEO, President, Chairman	AGRANT	300,000	$1.61	$483K	+73.1%	Open the original filing on SEC.gov
Apr 15	lee ting-chuan	Director	CCONV◆	570,000	—	—	—	Open the original filing on SEC.gov
Apr 15	lee ting-chuan	Director	AGRANT◆	570,000	—	—	—	Open the original filing on SEC.gov
Apr 15	lee ting-chuan	Director	AGRANT	570,000	$1.61	$917.7K	+155.9%	Open the original filing on SEC.gov
Apr 12	ASE Test, Inc.	10% Owner	PDBUY◆	5,994	—	—	—	Open the original filing on SEC.gov
Jan 28	Taiwan Carbon Nano…	10% Owner	SSELL	46,000	$2.17	$99.8K	-4.4%	Open the original filing on SEC.gov
Jan 9	Taiwan Carbon Nano…	10% Owner	SSELL	431	$1.86	$802	<0.1%	Open the original filing on SEC.gov
Jan 8	Taiwan Carbon Nano…	10% Owner	SSELL	850	$1.80	$1.5K	<0.1%	Open the original filing on SEC.gov
Nov 25, 2025	Wei Pao-Sheng	Director	CCONV◆	50,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	Wei Pao-Sheng	Director	AGRANT◆	50,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	Wei Pao-Sheng	Director	AGRANT	50,000	$2.10	$105K	+122.3%	Open the original filing on SEC.gov
Nov 25, 2025	Tsai Chun-Jung	Director	CCONV◆	80,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	Tsai Chun-Jung	Director	AGRANT◆	80,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	Tsai Chun-Jung	Director	AGRANT	80,000	$2.10	$168K	+28.9%	Open the original filing on SEC.gov
Nov 25, 2025	chiang yao-chung	Director	CCONV◆	50,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	chiang yao-chung	Director	AGRANT◆	50,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	chiang yao-chung	Director	AGRANT	50,000	$2.10	$105K	+121.1%	Open the original filing on SEC.gov
Nov 25, 2025	tsai chun-hsien	CEO, President, Chairman	CCONV◆	80,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	tsai chun-hsien	CEO, President, Chairman	AGRANT◆	80,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	tsai chun-hsien	CEO, President, Chairman	AGRANT	80,000	$2.10	$168K	+24.2%	Open the original filing on SEC.gov
Nov 25, 2025	chang wen-han	Director	CCONV◆	50,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	chang wen-han	Director	AGRANT◆	50,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	chang wen-han	Director	AGRANT	50,000	$2.10	$105K	+97.0%	Open the original filing on SEC.gov
Nov 25, 2025	Lee Hsin-Liang Christoph…	CFO	CCONV◆	20,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	Lee Hsin-Liang Christoph…	CFO	AGRANT◆	20,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	Lee Hsin-Liang Christoph…	CFO	AGRANT	20,000	$2.10	$42K	+36.2%	Open the original filing on SEC.gov
Nov 25, 2025	tsai chung-yi	Director	CCONV◆	50,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	tsai chung-yi	Director	AGRANT◆	50,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	tsai chung-yi	Director	AGRANT	50,000	$2.10	$105K	+122.3%	Open the original filing on SEC.gov
Nov 25, 2025	lee ting-chuan	Director	CCONV◆	80,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	lee ting-chuan	Director	AGRANT◆	80,000	—	—	—	Open the original filing on SEC.gov
Nov 25, 2025	lee ting-chuan	Director	AGRANT	80,000	$2.10	$168K	+28.0%	Open the original filing on SEC.gov
Oct 6, 2025	Taiwan Carbon Nano…	10% Owner	SSELL	7,000	$3.59	$25.1K	-0.7%	Open the original filing on SEC.gov
Oct 2, 2025	Taiwan Carbon Nano…	10% Owner	SSELL	2,000	$3.59	$7.2K	-0.2%	Open the original filing on SEC.gov
Oct 1, 2025	Taiwan Carbon Nano…	10% Owner	SSELL	1,700	$3.46	$5.9K	-0.2%	Open the original filing on SEC.gov
Sep 30, 2025	Taiwan Carbon Nano…	10% Owner	SSELL	1,006	$3.52	$3.5K	-0.1%	Open the original filing on SEC.gov
Aug 6, 2025	Taiwan Carbon Nano…	10% Owner	SSELL	20,000	$2.95	$59K	+1.9%	Open the original filing on SEC.gov
Aug 5, 2025	Taiwan Carbon Nano…	10% Owner	SSELL	11,191	$2.44	$27.3K	+1.1%	Open the original filing on SEC.gov
Jul 18, 2025	Taiwan Carbon Nano…	10% Owner	SSELL	7,000	$2.81	$19.6K	+0.7%	Open the original filing on SEC.gov
Jul 17, 2025	Taiwan Carbon Nano…	10% Owner	SSELL	7,001	$2.80	$19.6K	+0.7%	Open the original filing on SEC.gov
Jun 27, 2025	Tsai Chun-Jung	Director	SSELL	10,000	$0.502	$5K	-0.7%	Open the original filing on SEC.gov
Jun 25, 2025	lee ting-chuan	Director	SSELL	2,894	$0.51	$1.5K	-0.2%	Open the original filing on SEC.gov
Jun 25, 2025	Tsai Chun-Jung	Director	SSELL	7,000	$0.5028	$3.5K	-0.5%	Open the original filing on SEC.gov
Jun 23, 2025	Tsai Chun-Jung	Director	SSELL	10,000	$0.5	$5K	-0.7%	Open the original filing on SEC.gov
Jun 23, 2025	Taiwan Carbon Nano…	10% Owner	SSELL	29,476	—	—	+0.5%	Open the original filing on SEC.gov
Jun 23, 2025	ASE Test, Inc.	10% Owner	PBUY	29,476	—	—	+100.2%	Open the original filing on SEC.gov
Jun 19, 2025	Tsai Chun-Jung	Director	SSELL	10,903	$0.5517	$6K	-0.8%	Open the original filing on SEC.gov
Jun 18, 2025	Tsai Chun-Jung	Director	SSELL	5,000	$0.5217	$2.6K	-0.4%	Open the original filing on SEC.gov

PBUY$7.2K

chiang yao-chung · DirectorJun 5

3,500 sh @ $2.05 · +45.0% own

PBUY$4.3K

chiang yao-chung · DirectorJun 3

2,000 sh @ $2.13 · +34.6% own

PBUY$575

chiang yao-chung · DirectorMay 28

250 sh @ $2.30 · +4.5% own

PBUY$4K

chiang yao-chung · DirectorMay 27

2,000 sh @ $2.00 · +56.7% own

SSELL$209K

lee ting-chuan · DirectorMay 26

109,988 sh @ $1.90 · -12.0% own

SSELL$96.8K

Taiwan Carbon Nano… · 10% OwnerMay 26

41,000 sh @ $2.36 · -4.1% own

SSELL$51.8K

Tsai Chun-Jung · DirectorMay 26

27,718 sh @ $1.87 · -4.0% own

SSELL$14.6K

lee ting-chuan · DirectorMay 22

9,302 sh @ $1.57 · -1.0% own

SSELL$1.7K

Tsai Chun-Jung · DirectorMay 22

1,082 sh @ $1.55 · -0.2% own

SSELL$14K

lee ting-chuan · DirectorMay 21

9,000 sh @ $1.56 · -1.0% own

PBUY▲$3.7K

chiang yao-chung · DirectorMay 19

2,200 sh @ $1.68 · +165.5% own

PBUY$825

chiang yao-chung · DirectorMay 18

500 sh @ $1.65 · +60.3% own

PBUY$219

chiang yao-chung · DirectorMay 5

129 sh @ $1.70 · +18.4% own

PBUY$336

chiang yao-chung · DirectorApr 30

200 sh @ $1.68 · +40.0% own

PBUY★$175

chiang yao-chung · DirectorApr 29

100 sh @ $1.75 · +25.0% own

CCONV◆—

Tsai Chun-Jung · DirectorApr 15

330,000 sh

AGRANT◆—

Tsai Chun-Jung · DirectorApr 15

330,000 sh

AGRANT$531.3K

Tsai Chun-Jung · DirectorApr 15

330,000 sh @ $1.61 · +92.4% own

CCONV◆—

tsai chun-hsien · CEO, President,…Apr 15

300,000 sh

AGRANT◆—

tsai chun-hsien · CEO, President,…Apr 15

300,000 sh

AGRANT$483K

tsai chun-hsien · CEO, President,…Apr 15

300,000 sh @ $1.61 · +73.1% own

CCONV◆—

lee ting-chuan · DirectorApr 15

570,000 sh

AGRANT◆—

lee ting-chuan · DirectorApr 15

570,000 sh

AGRANT$917.7K

lee ting-chuan · DirectorApr 15

570,000 sh @ $1.61 · +155.9% own

PDBUY◆—

ASE Test, Inc. · 10% OwnerApr 12

5,994 sh

SSELL$99.8K

Taiwan Carbon Nano… · 10% OwnerJan 28

46,000 sh @ $2.17 · -4.4% own

SSELL$802

Taiwan Carbon Nano… · 10% OwnerJan 9

431 sh @ $1.86 · <0.1% own

SSELL$1.5K

Taiwan Carbon Nano… · 10% OwnerJan 8

850 sh @ $1.80 · <0.1% own

CCONV◆—

Wei Pao-Sheng · DirectorNov 25, 2025

50,000 sh

AGRANT◆—

Wei Pao-Sheng · DirectorNov 25, 2025

50,000 sh

AGRANT$105K

Wei Pao-Sheng · DirectorNov 25, 2025

50,000 sh @ $2.10 · +122.3% own

CCONV◆—

Tsai Chun-Jung · DirectorNov 25, 2025

80,000 sh

AGRANT◆—

Tsai Chun-Jung · DirectorNov 25, 2025

80,000 sh

AGRANT$168K

Tsai Chun-Jung · DirectorNov 25, 2025

80,000 sh @ $2.10 · +28.9% own

CCONV◆—

chiang yao-chung · DirectorNov 25, 2025

50,000 sh

AGRANT◆—

chiang yao-chung · DirectorNov 25, 2025

50,000 sh

AGRANT$105K

chiang yao-chung · DirectorNov 25, 2025

50,000 sh @ $2.10 · +121.1% own

CCONV◆—

tsai chun-hsien · CEO, President,…Nov 25, 2025

80,000 sh

AGRANT◆—

tsai chun-hsien · CEO, President,…Nov 25, 2025

80,000 sh

AGRANT$168K

tsai chun-hsien · CEO, President,…Nov 25, 2025

80,000 sh @ $2.10 · +24.2% own

CCONV◆—

chang wen-han · DirectorNov 25, 2025

50,000 sh

AGRANT◆—

chang wen-han · DirectorNov 25, 2025

50,000 sh

AGRANT$105K

chang wen-han · DirectorNov 25, 2025

50,000 sh @ $2.10 · +97.0% own

CCONV◆—

Lee Hsin-Liang Christoph… · CFONov 25, 2025

20,000 sh

AGRANT◆—

Lee Hsin-Liang Christoph… · CFONov 25, 2025

20,000 sh

AGRANT$42K

Lee Hsin-Liang Christoph… · CFONov 25, 2025

20,000 sh @ $2.10 · +36.2% own

CCONV◆—

tsai chung-yi · DirectorNov 25, 2025

50,000 sh

AGRANT◆—

tsai chung-yi · DirectorNov 25, 2025

50,000 sh

AGRANT$105K

tsai chung-yi · DirectorNov 25, 2025

50,000 sh @ $2.10 · +122.3% own

CCONV◆—

lee ting-chuan · DirectorNov 25, 2025

80,000 sh

AGRANT◆—

lee ting-chuan · DirectorNov 25, 2025

80,000 sh

AGRANT$168K

lee ting-chuan · DirectorNov 25, 2025

80,000 sh @ $2.10 · +28.0% own

SSELL$25.1K

Taiwan Carbon Nano… · 10% OwnerOct 6, 2025

7,000 sh @ $3.59 · -0.7% own

SSELL$7.2K

Taiwan Carbon Nano… · 10% OwnerOct 2, 2025

2,000 sh @ $3.59 · -0.2% own

SSELL$5.9K

Taiwan Carbon Nano… · 10% OwnerOct 1, 2025

1,700 sh @ $3.46 · -0.2% own

SSELL$3.5K

Taiwan Carbon Nano… · 10% OwnerSep 30, 2025

1,006 sh @ $3.52 · -0.1% own

SSELL$59K

Taiwan Carbon Nano… · 10% OwnerAug 6, 2025

20,000 sh @ $2.95 · +1.9% own

SSELL$27.3K

Taiwan Carbon Nano… · 10% OwnerAug 5, 2025

11,191 sh @ $2.44 · +1.1% own

SSELL$19.6K

Taiwan Carbon Nano… · 10% OwnerJul 18, 2025

7,000 sh @ $2.81 · +0.7% own

SSELL$19.6K

Taiwan Carbon Nano… · 10% OwnerJul 17, 2025

7,001 sh @ $2.80 · +0.7% own

SSELL$5K

Tsai Chun-Jung · DirectorJun 27, 2025

10,000 sh @ $0.502 · -0.7% own

SSELL$1.5K

lee ting-chuan · DirectorJun 25, 2025

2,894 sh @ $0.51 · -0.2% own

SSELL$3.5K

Tsai Chun-Jung · DirectorJun 25, 2025

7,000 sh @ $0.5028 · -0.5% own

SSELL$5K

Tsai Chun-Jung · DirectorJun 23, 2025

10,000 sh @ $0.5 · -0.7% own

SSELL—

Taiwan Carbon Nano… · 10% OwnerJun 23, 2025

29,476 sh · +0.5% own

PBUY—

ASE Test, Inc. · 10% OwnerJun 23, 2025

29,476 sh · +100.2% own

SSELL$6K

Tsai Chun-Jung · DirectorJun 19, 2025

10,903 sh @ $0.5517 · -0.8% own

SSELL$2.6K

Tsai Chun-Jung · DirectorJun 18, 2025

5,000 sh @ $0.5217 · -0.4% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 35 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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