chiang yao-chung
SEC Form 4 insider trading activity
chiang yao-chung has filed 8 SEC Form 4 filings (10 transaction rows) across 1 company, with disclosures dating back to 2025. 8 of those filings fall inside the rolling window. Most recent filing: Jun 9, 2026.
On the most recent filing, chiang yao-chung is listed as Director at Ainos, Inc. Inside the rolling window, chiang yao-chung reported 9 open-market purchases totaling $21K in AIMD and no open-market sales. The largest disclosed transaction in the window is a purchase of 3,500 AIMD shares on Jun 5, 2026, worth $7K.
Companies traded
Other insiders at AIMD
Insider Buying
$21K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| AIMD | Director | Purchase | 3,500 | $7K | Jun 9 | SEC ↗ | |
| AIMD | Director | Purchase | 2,000 | $4K | Jun 5 | SEC ↗ | |
| AIMD | Director | Purchase | 250 | $575 | Jun 1 | SEC ↗ | |
| AIMD | Director | Purchase | 2,000 | $4K | May 29 | SEC ↗ | |
| AIMD | Director | Purchase | 500 | $825 | May 20 | SEC ↗ | |
| AIMD | Director | Purchase | 2,200 | $4K | May 20 | SEC ↗ | |
| AIMD | Director | Purchase | 129 | $219 | May 7 | SEC ↗ | |
| AIMD | Director | Purchase | 100 | $175 | May 1 | SEC ↗ | |
| AIMD | Director | Purchase | 200 | $336 | May 1 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has chiang yao-chung made?
chiang yao-chung has filed 8 SEC Form 4 filings (10 transaction rows) across 1 company since 2025.
Which companies does chiang yao-chung trade?
chiang yao-chung has filed SEC Form 4 disclosures for 1 company, including AIMD.
When was chiang yao-chung's most recent SEC Form 4 filing?
chiang yao-chung's most recent SEC Form 4 filing on Tracefour is dated Jun 9, 2026.
What is chiang yao-chung's total buy and sell value in the current window?
Inside the rolling retention window, chiang yao-chung bought $21K and sold $0 based on SEC Form 4 filings.
What was chiang yao-chung's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 3,500 AIMD shares on 2026-06-05, worth $7K, per SEC Form 4 filings.