Ainos, Inc. (AIMD) Insider Trading

Over the last 3 months, AIMD insiders made 8 open-market buys and 6 sales, a net sale of -$243K (SEC Form 4). Over the last 6 months, 2 institutions increased and 2 reduced their position (13F).

Insider Activity

Sentiment
25/100
Buys (3m)
8
Sells (3m)
6
Net (3m)
-$243.2K
Insiders buying
Insider trades by month Buys Sells
Aug
Oct
Jan
Apr
May
Jun
Context3-month price +51.7%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Jun 1, 2026chiang yao-chungdirectorBuy250$2.30
May 29, 2026chiang yao-chungdirectorBuy2,000$2.00
May 27, 2026TSAI CHUN-JUNGdirectorSell27,718$1.87
May 27, 2026Taiwan Carbon Nano Technology Corp10 percent ownerSell41,000$2.36
May 27, 2026lee ting-chuandirectorSell109,988$1.90
May 27, 2026TSAI CHUN-JUNGdirectorSell1,082$1.55
May 26, 2026lee ting-chuandirectorSell9,000$1.56
May 26, 2026lee ting-chuandirectorSell9,302$1.57
May 20, 2026chiang yao-chungdirectorBuy2,200$1.68
May 20, 2026chiang yao-chungdirectorBuy500$1.65
May 7, 2026chiang yao-chungdirectorBuy129$1.70
May 1, 2026chiang yao-chungdirectorBuy200$1.68
May 1, 2026chiang yao-chungdirectorBuy100$1.75
Apr 17, 2026tsai chun-hsiendirector, officer: CEO, PRESIDENT, CHAIRMANGrant300,000$1.61
Apr 17, 2026TSAI CHUN-JUNGdirectorGrant330,000$1.61
Apr 17, 2026lee ting-chuandirectorGrant570,000$1.61
Apr 15, 2026ASE Test, Inc.10 percent ownerBuy5,994$22.50
Jan 29, 2026Taiwan Carbon Nano Technology Corp10 percent ownerSell46,000$2.17
Jan 12, 2026Taiwan Carbon Nano Technology Corp10 percent ownerSell431$1.86
Jan 12, 2026Taiwan Carbon Nano Technology Corp10 percent ownerSell850$1.80
Nov 26, 2025chang wen-handirectorGrant50,000$2.10
Nov 26, 2025lee ting-chuandirectorGrant80,000$2.10
Nov 26, 2025chiang yao-chungdirectorGrant50,000$2.10
Nov 26, 2025TSAI CHUN-JUNGdirectorGrant80,000$2.10
Nov 26, 2025Lee Hsin-Liang Christopherofficer: CFOGrant20,000$2.10
Nov 26, 2025WEI PAO-SHENGdirectorGrant50,000$2.10
Nov 26, 2025tsai chung-yidirectorGrant50,000$2.10
Nov 26, 2025tsai chun-hsiendirector, officer: CEO, PRESIDENT, CHAIRMANGrant80,000$2.10
Oct 8, 2025Taiwan Carbon Nano Technology Corp10 percent ownerSell7,000$3.59
Oct 6, 2025Taiwan Carbon Nano Technology Corp10 percent ownerSell2,000$3.58

Source: AIMD SEC Form 4 filings, latest Jun 1, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their AIMD positions over the last 6 months (SEC Form 13F).

Increased
2
New positions
5
Reduced
2
Sold out
5
Largest moves
InstitutionActionSharesFiled
GEODE CAPITAL MANAGEMENT, LLCNew Position53KMay 15, 2026
MARINER, LLCIncreased31KMay 13, 2026
KEYSTONE FINANCIAL GROUPNew Position15KMay 13, 2026
VANGUARD FIDUCIARY TRUST CONew Position14KMay 8, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position9KMay 15, 2026
TOWER RESEARCH CAPITAL LLC (TRC)Increased4KMay 15, 2026
BLACKROCK, INC.Unchanged3KMay 13, 2026
SENESCHAL ADVISORS, LLCUnchanged2KMay 8, 2026
STEWARD PARTNERS INVESTMENT ADVISORY, LLCUnchanged1KMay 8, 2026
CITIGROUP INCReduced501May 11, 2026
UBS GROUP AGReduced2May 5, 2026
CWM, LLCNew Position1May 14, 2026
DRW SECURITIES, LLCSold Out0May 13, 2026
RENAISSANCE TECHNOLOGIES LLCSold Out0May 14, 2026
TWO SIGMA INVESTMENTS, LPSold Out0May 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.