Tungray Technologies Inc
TRSG- Exchange
- Nasdaq
- Industry
- Construction, Mining & Materials Handling Machinery & Equip
- SEC CIK
- 0001943444
No open-market purchases or sales by Tungray Technologies Inc insiders were filed in the last 90 days; 1 institution reported holding it in 13F filings for Q2 2026, worth $782.6K in total; no superinvestor holds it.
Holders of 5% or more of TRSG
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Tungray Technologies Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Yao Wanjun | 13G/A | 92.50%4.09M shares | – | Jul 7, 20251 filing | Jul 7, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
1 Schedule 13D or 13G filing on Tungray Technologies Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jul 7, 20255:12 PM ET | Yao Wanjunand 6 others | 13G/A | 92.50%4.09M shares | – | Sep 30, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Tungray Technologies Inc shares.
No Form 144 notices for Tungray Technologies Inc are on file.