Du Liling - 18 Sep 2026 Form 3 Insider Report for Tungray Technologies Inc (TRSG)

Reporting relationship: Interim Chief Exec. Officer
Issuer ticker: TRSG
Reported as of: 18 Sep 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 28 Sep 2026, 21:14:54 UTC
Source filing: View source filing
Reporting owner signature: /s/ Du Liling

Filing notes and source

Key filing fact

Du Liling filed Form 3 for Tungray Technologies Inc (TRSG) on 28 Sep 2026.

Key facts

This page summarizes Du Liling's Form 3 filing for Tungray Technologies Inc (TRSG).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 28 Sep 2026, 21:14.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002157553 Primary reporting owner

Du Liling

Relationship: Interim Chief Exec. Officer
Address: C/O/ TUNGRAY TECHNOLOGIES INC, #02-01, 31 MANDAI ESTATE, SINGAPORE, SINGAPORE
Signature: /s/ Du Liling
Signature date: 28 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TRSG holding

Class A Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 432,000
Date: 18 Sep 2026
Ownership: By Aurora International Development Ltd.
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Ms. Du held a total of 432,000 Class A Ordinary Shares held by Aurora International Development Ltd, a limited liability company incorporated under the British Virgin Islands laws, a holding entity controlled by Ms. Liling Du. Ms. Du is deemed to share with her husband, Mr. Wanjun Yao, the power to dispose 432,000 Class A ordinary shares held by Aurora.

Footnote F2

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.