SEPTInvestingStart Free

GMTL SCHEDULE 13G/A: SEC filing

Guardian Metal Resources PLC

Filed with the SEC on · accession 0000899140-26-001060

GMTL filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Sep 14, 2026. Guardian Metal Resources PLC filed an amended Schedule 13G, indicating a passive institutional holder has updated its beneficial ownership position. The stock moved +0.3% by the first close after the filing.

Summary of the filing

Guardian Metal Resources PLC filed an amended Schedule 13G, indicating a passive institutional holder has updated its beneficial ownership position. The filing text provided is only the EDGAR directory listing and does not disclose the holder, ownership percentage, or share count.

For details, click here →

Key details

IssuerGuardian Metal Resources PLC

How GMTL stock reacted

Close before

$10.53

Sep 11, 2026

First close after

+0.28%

$10.56

5 trading days

-0.28%

$10.50

Since filing

-52.90%

$4.96

✦ Ask GOAX AI about this filing — what it means for GMTL, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for GMTL?

Click here

Frequently asked questions

What did GMTL file with the SEC on Sep 14, 2026?

GMTL filed a SCHEDULE 13G/A (SEC filing). Guardian Metal Resources PLC filed an amended Schedule 13G, indicating a passive institutional holder has updated its beneficial ownership position. The filing text provided is only the EDGAR directory listing and does not disclose the holder, ownership percentage, or share count.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did GMTL stock react to this filing?

GMTL closed at $10.53 before the filing and $10.56 on Sep 14, 2026 (+0.28%). Five trading days later: $10.50 (-0.28%).

Other GMTL SEC filings

Get alerts when GMTL files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
GMTL overviewGMTL analysisGMTL newsLatest SEC filings