FSM SCHEDULE 13G/A: SEC filing
Fortuna Mining Corp.
Filed with the SEC on · accession 0000354204-26-001025
FSM filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Oct 8, 2026. Fortuna Mining Corp. filed a Schedule 13G/A, an amendment to a passive ownership disclosure, indicating a change in a shareholder's passive stake. The stock moved +4.8% by the first close after the filing.
Summary of the filing
Fortuna Mining Corp. filed a Schedule 13G/A, an amendment to a passive ownership disclosure, indicating a change in a shareholder's passive stake. The filing text provided does not contain the specific ownership details.
Key details
How FSM stock reacted
Close before
$10.12
Oct 7, 2026
First close after
+4.84%
$10.61
5 trading days
+0.49%
$10.17
Since filing
-4.50%
$9.66
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Click hereFrequently asked questions
What did FSM file with the SEC on Oct 8, 2026?
FSM filed a SCHEDULE 13G/A (SEC filing). Fortuna Mining Corp. filed a Schedule 13G/A, an amendment to a passive ownership disclosure, indicating a change in a shareholder's passive stake. The filing text provided does not contain the specific ownership details.
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 FSM stock react to this filing?
FSM closed at $10.12 before the filing and $10.61 on Oct 8, 2026 (+4.84%). Five trading days later: $10.17 (+0.49%).
Other FSM SEC filings
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