Tungray Technologies Inc
TRSGNasdaqIndustrials · Construction, Mining & Materials Handling Machinery & Equip · E9 · SEC filings ↗ · Compare ⊕
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SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
Signs
● 1 severe● 0 good- Filed a late-filing notice (Form NT) — missed an SEC deadline
Derived from the company's own SEC figures (fundamentals, forensic scores, filing discipline) — descriptive factors, not advice or a forecast.
Risk flags
late SEC filings- NT 20-Fmissed a reporting deadline ↗May 1, 2025
A Form NT means the company notified the SEC it would file a periodic report late — often an accounting, audit or liquidity warning sign. Also search SEC enforcement actions for this company.
5%+ owners
SEC Schedule 13D / 13G · last 3 yrs- Yao WanjunPassive (13G)Jul 7, 2025
Holders who disclosed a 5%+ stake. 13D signals intent to influence or control; 13G is a passive holding. Latest filing per holder — open it for the exact stake.
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 27,968 | 5.0 | +3.7% |
| Apr 30, 2026 | 26,964 | 5.6 | +27.6% |
| Apr 15, 2026 | 21,137 | 9.4 | +5.1% |
| Mar 31, 2026 | 20,106 | 3.0 | -19.3% |
| Mar 13, 2026 | 24,924 | 19.6 | -4.6% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.
Recent SEC filings
All filings ↗- 6-KFORM 6-K FILINGMay 28, 2026
- 20-FTUNGRAY TECHNOLOGIES INC - FORM 20-F SEC FILINGApr 23, 2026
- 3PRIMARY DOCUMENTMar 31, 2026
- 3PRIMARY DOCUMENTMar 19, 2026
- 3PRIMARY DOCUMENTMar 19, 2026
- 3PRIMARY DOCUMENTMar 18, 2026
- 3PRIMARY DOCUMENTMar 18, 2026
- 3PRIMARY DOCUMENTMar 18, 2026
- 3PRIMARY DOCUMENTMar 18, 2026
- 20-F/ATUNGRAY TECHNOLOGIES INC - FORM 20-F/A SEC FILINGOct 15, 2025
- 6-KFORM 6-K FILINGSep 30, 2025
- 6-KFORM 6-K FILINGSep 25, 2025
- 6-KTUNGRAY TECHNOLOGIES INC - 6-KAug 14, 2025
- 6-KTUNGRAY TECHNOLOGIES INC - 6-KAug 12, 2025
- 6-K/ATUNGRAY FORM 6-K/AJul 9, 2025