Mizuho Financial Group, Inc. filed Amendment No. 4 to its beneficial ownership statement with the SEC on November 12, 2026, disclosing zero beneficial ownership of Common Shares in Columbus Acquisition Corp as of September 30, 2026.

Key Highlights

  • Zero beneficial ownership: Mizuho Financial Group, Inc. reported 0 shares beneficially owned in Columbus Acquisition Corp, representing 0.0% of the class.
  • Triggering date: The event requiring this filing occurred on September 30, 2026.
  • Subsidiary chain: The filing notes that Mizuho Financial Group, Inc., Mizuho Bank, Ltd., and Mizuho Americas LLC may be deemed indirect beneficial owners of equity securities directly held by Mizuho Securities USA LLC, their wholly-owned subsidiary.
  • Voting and dispositive power: Sole and shared voting power and sole and shared dispositive power are each reported as 0.
  • Classification: Mizuho Financial Group, Inc. is classified as a Parent Holding Company (type "FI") in this filing.
  • Issuer location: Columbus Acquisition Corp lists its principal executive offices at 14 Prudential Tower, Singapore, Republic of Singapore, 049712.

Mizuho Financial Group's Amendment Reflects No Remaining Stake in Columbus Acquisition Corp

According to the filing, Mizuho Financial Group, Inc., headquartered at 1-5-5, Otemachi, Chiyoda-ku, Tokyo, 100-8176, Japan, submitted Amendment No. 4 to its Schedule 13G disclosing that it holds no beneficial ownership of Common Shares in Columbus Acquisition Corp, a Singapore-based issuer with CUSIP number G2295P107. The amendment was signed by Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department, on November 12, 2026, with the triggering event dated September 30, 2026.

The filing identifies Mizuho Financial Group, Inc. as a Parent Holding Company and notes that securities in Columbus Acquisition Corp are directly held by Mizuho Securities USA LLC, a wholly-owned subsidiary. The filing states that Mizuho Financial Group, Inc., Mizuho Bank, Ltd., and Mizuho Americas LLC "may be deemed to be indirect beneficial owners of said equity securities directly held by Mizuho Securities USA LLC." Despite this subsidiary structure, the aggregate amount beneficially owned is reported as 0, with Item 5 of the filing confirming ownership of 5 percent or less of the class.

Mizuho Financial Group, Inc. is a Japan-incorporated financial institution that operates through a network of subsidiaries spanning banking, securities, and Americas-based operations. The certification included in the filing states 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."

What Was Disclosed

Mizuho Financial Group, Inc. disclosed through Amendment No. 4 that it holds zero beneficial ownership of Columbus Acquisition Corp Common Shares as of September 30, 2026, with no voting or dispositive power, and that Mizuho Securities USA LLC is the relevant subsidiary identified in Exhibit A.