QSEA SCHEDULE 13G/A: SEC filing
Quartzsea Acquisition Corp
Filed with the SEC on · accession 0001072613-26-000681
QSEA filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 14, 2026. Quartzsea Acquisition Corp filed an amended Schedule 13G, indicating a passive institutional holder has updated its beneficial ownership position in the company. The stock moved -0.3% by the first close after the filing.
Summary of the filing
Quartzsea Acquisition Corp filed an amended Schedule 13G, indicating a passive institutional holder has updated its beneficial ownership position in the company. The filing does not disclose a change in control or activist intent.
Key details
How QSEA stock reacted
Close before
$10.65
Aug 7, 2026
First close after
-0.28%
$10.62
5 trading days
+0.00%
$10.65
Since filing
+0.75%
$10.73
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Click hereFrequently asked questions
What did QSEA file with the SEC on Aug 14, 2026?
QSEA filed a SCHEDULE 13G/A (SEC filing). Quartzsea Acquisition Corp filed an amended Schedule 13G, indicating a passive institutional holder has updated its beneficial ownership position in the company. The filing does not disclose a change in control or activist intent.
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 QSEA stock react to this filing?
QSEA closed at $10.65 before the filing and $10.62 on Aug 18, 2026 (-0.28%). Five trading days later: $10.65 (+0.00%).
Other QSEA SEC filings
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