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Ainos, Inc. Insider Trading Activity

Name: SEC Form 4 Insider Trading Database
Creator: Trabud
License: https://www.sec.gov/privacy#publicaccess

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 Research Team · SEC Form 4 & insider trading data analysts

Last updated: June 9, 2026

Quick Answer

Are AIMD insiders buying or selling?

Ainos, Inc. insiders reported 167 open-market buys ($2.1M) and 12 sells ($555.4K) across 179 Form 4 filings — a net buying position of $1.5M.

Source: SEC EDGAR Form 4

Key Statistics (as of Jun 9, 2026)

Total Form 4 filings

179

SEC EDGAR

Insider filers

Insider buys (167)

$2.1M

Insider sells (12)

$555.4K

Insider sentiment

Net buying

Net insider flow of $1.5M in net buying. 7 insider buys in the last 90 days.

Recent AIMD insider transactions

Date	Insider	Role	Type	Shares	Price	Value
Jun 9, 2026	Yao-Chung Chiang	Director	Purchase	3.5K	$2.05	$7.2K
Jun 5, 2026	Yao-Chung Chiang	Director	Purchase	2.0K	$2.13	$4.3K
Jun 1, 2026	Yao-Chung Chiang	Director	Purchase	250	$2.30	$575
May 29, 2026	Yao-Chung Chiang	Director	Purchase	2.0K	$2.00	$4.0K
May 28, 2026	Ting-Chuan Lee	Director	Sale	110.0K	$1.90	$209.0K
May 28, 2026	Taiwan Carbon Nano Technology Corp	10% Owner	Sale	41.0K	$2.36	$96.8K
May 27, 2026	Chun-Jung Tsai	Director	Sale	28.8K	$1.86	$53.5K
May 26, 2026	Ting-Chuan Lee	Director	Sale	18.3K	$1.57	$28.6K
May 20, 2026	Yao-Chung Chiang	Director	Purchase	2.7K	$1.67	$4.5K
May 7, 2026	Yao-Chung Chiang	Director	Purchase	129	$1.70	$219.3
May 1, 2026	Yao-Chung Chiang	Director	Purchase	300	$1.70	$511
Jan 30, 2026	Taiwan Carbon Nano Technology Corp	10% Owner	Sale	46.0K	$2.17	$99.8K
Jan 12, 2026	Taiwan Carbon Nano Technology Corp	10% Owner	Sale	1.3K	$1.82	$2.3K
Oct 8, 2025	Taiwan Carbon Nano Technology Corp	10% Owner	Sale	7.0K	$3.59	$25.1K
Oct 6, 2025	Taiwan Carbon Nano Technology Corp	10% Owner	Sale	2.0K	$3.59	$7.2K
Oct 2, 2025	Taiwan Carbon Nano Technology Corp	10% Owner	Sale	2.7K	$3.48	$9.4K
Aug 7, 2025	Taiwan Carbon Nano Technology Corp	10% Owner	Purchase	31.2K	$2.77	$86.3K
Jul 21, 2025	Taiwan Carbon Nano Technology Corp	10% Owner	Purchase	14.0K	$2.80	$39.3K
Jun 27, 2025	Ting-Chuan Lee	Director	Sale	2.9K	$0.51	$1.5K
Jun 27, 2025	Chun-Jung Tsai	Director	Sale	17.0K	$0.50	$8.5K
Jun 25, 2025	Taiwan Carbon Nano Technology Corp	10% Owner	Purchase	29.5K	$0.00	$0
Jun 25, 2025	ASE Test, Inc.	10% Owner	Purchase	29.5K	$0.00	$0
Jun 23, 2025	Chun-Jung Tsai	Director	Sale	25.9K	$0.53	$13.6K
Apr 26, 2023	Ting-Chuan Lee	Director	Purchase	61.2K	$0.79	$48.6K
Nov 15, 2022	Chun-Jung Tsai	Director	Purchase	8.9K	$0.50	$4.5K

Showing the 25 most recent of 179 Form 4 filings for Ainos, Inc..

Most active AIMD insiders

Stephen T Chen150 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

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AIMD insider trading FAQ

Are Ainos, Inc. insiders buying or selling?

Across 179 SEC Form 4 filings, Ainos, Inc. (AIMD) insiders reported 167 open-market purchases totaling $2.1M and 12 sales totaling $555.4K. That is a net buying position of $1.5M.

How many insiders trade AIMD stock?

8 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.

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