Jingan Tang - 18 Mar 2026 Form 3 Insider Report for Tungray Technologies Inc (trsg)

Role: Director
Signature: /s/ Jingan Tang
Issuer symbol: trsg
Transactions as of: 18 Mar 2026
Net transactions value: $0
Form type: 3
Filing time: 18 Mar 2026, 18:01:33 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Tang Jingan	Director	C/O/ TUNGRAY TECHNOLOGIES INC, #02-01, 31 MANDAI ESTATE, SINGAPORE, SINGAPORE	/s/ Jingan Tang	18 Mar 2026	0001973719

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	trsg	Class A Ordinary Shares						738,000	18 Mar 2026	By YuChang Global Ltd.	F1, F2
holding	trsg	Class A Ordinary Shares						1,782,000	18 Mar 2026	By ChangYuan International Ltd	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Class B Ordinary Shares are convertible into Class A Ordinary Shares at holders' option at any time on a one for one basis. Class A Ordinary Shares are not convertible into Class B Ordinary Shares under any circumstance. Each Class A Ordinary Share entitles to 1 vote and each Class B Ordinary Share entitles to 20 votes.
F2	Mr. Tang held a total of 2,520,000 Class A Ordinary Shares including (i) 1,782,000 Class A Ordinary Shares held by ChangYuan International Ltd.; and (ii) 738,000 Class A Ordinary Shares held by YuChang Global Ltd., both of which are limited liability companies incorporated under the British Virgin Islands laws and wholly-owned by Mr. Jingan Tang. The person having voting, dispositive or investment powers over these two entities is Mr. Jingan Tang.

Content

Class B Ordinary Shares are convertible into Class A Ordinary Shares at holders' option at any time on a one for one basis. Class A Ordinary Shares are not convertible into Class B Ordinary Shares under any circumstance. Each Class A Ordinary Share entitles to 1 vote and each Class B Ordinary Share entitles to 20 votes.

Mr. Tang held a total of 2,520,000 Class A Ordinary Shares including (i) 1,782,000 Class A Ordinary Shares held by ChangYuan International Ltd.; and (ii) 738,000 Class A Ordinary Shares held by YuChang Global Ltd., both of which are limited liability companies incorporated under the British Virgin Islands laws and wholly-owned by Mr. Jingan Tang. The person having voting, dispositive or investment powers over these two entities is Mr. Jingan Tang.