Mizuho Financial Group, Inc. filed an amended beneficial ownership statement with the SEC on November 12, 2026, disclosing a 4.4 percent stake in JAB Acquisition Corp I as of September 30, 2026.

Key Highlights

  • Reporting Person: Mizuho Financial Group, Inc., organized in Japan and classified as a parent holding company (FI).
  • Shares Beneficially Owned: 814,156 Common Shares of JAB Acquisition Corp I (CUSIP G50004103).
  • Ownership Percentage: 4.4 percent of the class, representing ownership of 5 percent or less.
  • Voting and Dispositive Power: Sole voting power and sole dispositive power each cover all 814,156 shares; shared voting and shared dispositive power are each reported as 0.
  • Triggering Date: The event requiring this filing occurred on September 30, 2026.
  • Indirect Beneficial Ownership: According to the filing, the shares are directly held by Mizuho Securities USA LLC, a wholly-owned subsidiary, through which Mizuho Financial Group, Inc., Mizuho Bank, Ltd., and Mizuho Americas LLC may each be deemed indirect beneficial owners.
  • Amendment: This statement is filed as Amendment No. 1 to a prior filing.

Mizuho Financial Group's Disclosed Position in JAB Acquisition Corp I

According to the filing, Mizuho Financial Group, Inc., headquartered at 1-5-5, Otemachi, Chiyoda-ku, Tokyo, 100-8176, Japan, reported beneficial ownership of 814,156 Common Shares in JAB Acquisition Corp I, a company whose principal executive offices are listed at 270 Sylvan Avenue, Suite 2230, Englewood Cliffs, NJ 07632. The filing identifies Mizuho Financial Group as a parent holding company and financial institution (type "FI") organized under Japanese law. The amended statement covers a triggering event dated September 30, 2026, and was signed by Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department, on November 12, 2026.

The filing states that the 814,156 shares are directly held by Mizuho Securities USA LLC, described as a wholly-owned subsidiary, and that Mizuho Financial Group, Inc., Mizuho Bank, Ltd., and Mizuho Americas LLC "may be deemed to be indirect beneficial owners of said equity securities." All 814,156 shares are attributed to sole voting power and sole dispositive power, with no shared voting or dispositive power reported. The filing further certifies, in the words of the registrant, that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer."

Item 5 of the filing designates this position as ownership of 5 percent or less of a class, consistent with the reported 4.4 percent figure. Item 6 states that ownership on behalf of another person is "Not Applicable," and Items 8 and 9 similarly indicate no group membership or group dissolution to report.

What Was Disclosed

Mizuho Financial Group, Inc. filed Amendment No. 1 to its beneficial ownership statement, reporting 814,156 Common Shares, or 4.4 percent, of JAB Acquisition Corp I as of September 30, 2026, held indirectly through wholly-owned subsidiary Mizuho Securities USA LLC.