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Who

Chun-Jung Tsai

Director

Company insider

Files Form 4 as: Director, Ainos.

Every Form 4 they filed

In numbers

Trades disclosed
49
Buys
2
Sells
7
Bought
$71K
Sold
$129K
Companies
1
Companies where not an officer
1
First trade
20 Dec 2021
Last trade
26 May 2026
Last filed
27 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
AIMD AinosDirector · Hardware, Devices & Storage · last 26 May 20262 buys · 7 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
50Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
26 May 2026filed 27 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Sold$52K27,718 at $1.87filing
26 May 2026filed 27 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Sold$52K27,718 at $1.87filing
22 May 2026filed 27 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Sold$1,6771,082 at $1.55filing
22 May 2026filed 27 May 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Sold$1,6771,082 at $1.55filing
15 Apr 2026filed 17 Apr 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Code A$531K330,000 at $1.61filing
15 Apr 2026filed 17 Apr 2026AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code A—330,000filing
15 Apr 2026filed 17 Apr 2026AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code C—330,000filing
15 Apr 2026filed 17 Apr 2026AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code A—330,000filing
15 Apr 2026filed 17 Apr 2026AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code C—330,000filing
15 Apr 2026filed 17 Apr 2026AIMD AinosHardware, Devices & StorageSEC FORM 4 Code A$531K330,000 at $1.61filing
25 Nov 2025filed 26 Nov 2025AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code A—80,000filing
25 Nov 2025filed 26 Nov 2025AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code C—80,000filing
25 Nov 2025filed 26 Nov 2025AIMD AinosHardware, Devices & StorageSEC FORM 4 Code A$168K80,000 at $2.10filing
27 Jun 2025filed 27 Jun 2025AIMD AinosHardware, Devices & StorageSEC FORM 4 Sold$5,00010,000 at $0.50filing
25 Jun 2025filed 27 Jun 2025AIMD AinosHardware, Devices & StorageSEC FORM 4 Sold$3,5007,000 at $0.50filing
23 Jun 2025filed 23 Jun 2025AIMD AinosHardware, Devices & StorageSEC FORM 4 Sold$5,00010,000 at $0.50filing
19 Jun 2025filed 23 Jun 2025AIMD AinosHardware, Devices & StorageSEC FORM 4 Sold$5,99710,903 at $0.55filing
18 Jun 2025filed 23 Jun 2025AIMD AinosHardware, Devices & StorageSEC FORM 4 Sold$2,6005,000 at $0.52filing
8 Apr 2025filed 9 Apr 2025AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code A—900,000filing
8 Apr 2025filed 9 Apr 2025AIMD Ainosoption or derivative · Hardware, Devices & StorageSEC FORM 4 Code C—900,000filing

News

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

Sectors

Technology9

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

Related people

yao-chung chiangDirector · Director at Ainos, filing Form 4 there in the last year
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-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