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Who

yao-chung chiang

Director

Company insider

Files Form 4 as: Director, Ainos.

In numbers

Trades disclosed
35
Buys
10
Sells
0
Bought
$343K
Sold
$0
Companies
1
Companies where not an officer
1
First trade
6 Dec 2021
Last trade
5 Jun 2026
Last filed
9 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
AIMD AinosDirector · Hardware, Devices & Storage · last 5 Jun 202610 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
05Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
5 Jun 2026filed 9 Jun 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$7,1753,500 at $2.05filing
5 Jun 2026filed 9 Jun 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$7,1753,500 at $2.05filing
3 Jun 2026filed 5 Jun 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$4,2602,000 at $2.13filing
3 Jun 2026filed 5 Jun 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$4,2602,000 at $2.13filing
28 May 2026filed 1 Jun 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$575250 at $2.30filing
28 May 2026filed 1 Jun 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$575250 at $2.30filing
27 May 2026filed 29 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$4,0002,000 at $2.00filing
27 May 2026filed 29 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$4,0002,000 at $2.00filing
19 May 2026filed 20 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$3,6962,200 at $1.68filing
19 May 2026filed 20 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$3,6962,200 at $1.68filing
18 May 2026filed 20 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$825500 at $1.65filing
18 May 2026filed 20 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$825500 at $1.65filing
5 May 2026filed 7 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$219129 at $1.70filing
5 May 2026filed 7 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$219129 at $1.70filing
30 Apr 2026filed 1 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$336200 at $1.68filing
30 Apr 2026filed 1 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$336200 at $1.68filing
29 Apr 2026filed 1 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$175100 at $1.75filing
29 Apr 2026filed 1 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Bought$175100 at $1.75filing
25 Nov 2025filed 26 Nov 2025AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code A—50,000filing
25 Nov 2025filed 26 Nov 2025AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code C—50,000filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Technology10

Buys in green, sells in red, by the company’s sector.

Related people

Taiwan Carbon Nano Technology Corp10% owner · 10% owner at Ainos, filing Form 4 there in the last year
ting-chuan leeDirector · Director at Ainos, filing Form 4 there in the last year
Chun-Jung TsaiDirector · Director at Ainos, filing Form 4 there in the last year
chun-hsien tsaiCEO, President, Chairman · CEO, President, Chairman at Ainos, filing Form 4 there in the last year
ASE Test, Inc.10% owner · 10% owner at Ainos, filing Form 4 there in the last year