MMTX SCHEDULE 13G: SEC filing

Filed with the SEC on Aug 13, 2026 · accession 0001104659-26-095406

MMTX filed a SCHEDULE 13G (schedule 13g) with the SEC on Aug 13, 2026. Mizuho Financial Group and its subsidiaries (Mizuho Bank, Mizuho Americas LLC, Mizuho Securities USA LLC) filed a Schedule 13G with respect to Miluna Acquisition Corp, disclosing a passive ownership position. The stock moved -0.4% by the first close after the filing.

Summary of the filing

Mizuho Financial Group and its subsidiaries (Mizuho Bank, Mizuho Americas LLC, Mizuho Securities USA LLC) filed a Schedule 13G with respect to Miluna Acquisition Corp, disclosing a passive ownership position. The filing includes powers of attorney authorizing Takahiro Katsura to execute and file Form 13G on their behalf.

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Key details

FilerMizuho Financial Group, Inc.

Subsidiary of filerMizuho Bank, Ltd.

Subsidiary of filerMizuho Americas LLC

Subsidiary of filerMizuho Securities USA LLC

Subject companyMiluna Acquisition Corp

Managing director, head of global branches & subsidiaries coordination office, global corporate function coordination department, mizuho financial group, inc.Takahiro Katsura

Senior managing corporate executive, head of global corporate & investment banking, mizuho financial group, inc.Shuji Matsuura

Chief legal officer, mizuho americas llc; managing director, general counsel, mizuho securities usa llcAdam Hopkins

How MMTX stock reacted

Close before

$10.16

Aug 12, 2026

First close after

-0.39%

$10.12

5 trading days

+0.00%

$10.16

Since filing

+1.08%

$10.27

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Frequently asked questions

What did MMTX file with the SEC on Aug 13, 2026?

MMTX filed a SCHEDULE 13G (SEC filing). Mizuho Financial Group and its subsidiaries (Mizuho Bank, Mizuho Americas LLC, Mizuho Securities USA LLC) filed a Schedule 13G with respect to Miluna Acquisition Corp, disclosing a passive ownership position. The filing includes powers of attorney authorizing Takahiro Katsura to execute and file Form 13G on their behalf.

How do I read a SCHEDULE 13G?

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 (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did MMTX stock react to this filing?

MMTX closed at $10.16 before the filing and $10.12 on Aug 13, 2026 (-0.39%). Five trading days later: $10.16 (+0.00%).

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