Guardian Metal Resources PLC
GMTLNYSEMaterials · Metal Mining · X0 · 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).
5%+ owners
SEC Schedule 13D / 13G · last 3 yrs- Ucam LtdPassive (13G)Apr 24, 2026
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 | 153,775 | 1.0 | +15.8% |
| Apr 30, 2026 | 132,796 | 1.0 | +114.1% |
| Apr 15, 2026 | 62,034 | 1.0 | +22.1% |
| Mar 31, 2026 | 50,802 | 1.0 | +100.0% |
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 ↗- 424B3May 21, 2026
- 6-KDR. MARK THORPE APPOINTED TO THE BOARDMay 21, 2026
- 6-KTEMPIUTE HISTORICAL MINE TAILINGS UPDATEMay 13, 2026
- EFFECTMay 8, 2026
- 424B3May 8, 2026
- F-1May 6, 2026
- 6-KPILOT MOUNTAIN PRE-FEASIBILITY PROGRESS UPDATEMay 6, 2026
- 6-KTOTAL VOTING RIGHTSApr 30, 2026
- SCHEDULE 13GApr 24, 2026
- DRSApr 24, 2026
- 6-KEXERCISE OF OPTIONSApr 8, 2026
- 6-KHOLDING(S) IN COMPANYApr 1, 2026
- 6-KTOTAL VOTING RIGHTSMar 31, 2026
- 6-KHOLDING(S) IN COMPANYMar 26, 2026
- 6-KHOLDING(S) IN COMPANYMar 26, 2026