Corporate Transaction Update: Japan Post Holdings Adjusts AFLAC Inc. Shareholdings

Japan Post Holdings Co., Ltd. has filed a Form 4 with the U.S. Securities and Exchange Commission (SEC) detailing a series of share‑sale transactions that took place on 27 August 2026. The filing clarifies the nature of the beneficial ownership of AFLAC Inc. common stock held by Japan Post Holdings through its trustee structure, and provides an update on the post‑transaction ownership position.

Transaction Summary

  • Total Shares Sold

  • 12,260 shares of AFLAC common stock were sold by the reporting entity, which is acting in its capacity as trustee of the J&A Alliance Trust.

  • An additional 440 shares were sold, bringing the total shares disposed of on the transaction date to 12,700.

  • Post‑Transaction Holdings

  • Following the sales, the trust’s holdings in AFLAC’s common stock were reported at just over 50 million shares. This represents the aggregate position held directly by J&A Alliance Holdings, the trust vehicle.

  • Pricing

  • The shares were sold at a weighted‑average price that varied only slightly, ranging from the mid‑$110s to the low‑$120s per share. The filing lists the specific price points for each transaction, allowing precise reconstruction of the average cost basis.

Beneficial Ownership Structure

  • Trust Arrangement

  • The disclosed securities are held directly by J&A Alliance Holdings, which is a trust vehicle established for the benefit of Japan Post Holdings.

  • The trusteeship involves several parties: General Incorporated Association J&A Alliance, Kenji Sano, and Tetsuya Numaguchi. Each party’s beneficial ownership is limited to the extent of their interest in the trust.

  • Japan Post Holdings’ Role

  • Japan Post Holdings is identified as the sole settlor and beneficiary of the trust. While the entity is recognized as having a beneficial interest in the trust’s assets, the filing specifies that it does not hold any direct beneficial ownership beyond its pecuniary interest.

  • Corporate Governance

  • The filing reiterates that Japan Post Holdings is not a director or officer of AFLAC Inc., and that the transaction codes correspond to ordinary share sales rather than insider trading or related‑party transactions.

Context and Implications

The transaction represents a routine adjustment in the ownership structure of AFLAC Inc. as part of Japan Post Holdings’ broader asset‑management strategy. By liquidating a small portion of its stake, the company maintains liquidity while preserving a substantial long‑term position in the U.S. insurer.

For stakeholders, the filing provides full transparency on the dates, share counts, and pricing of the sales, ensuring compliance with SEC disclosure requirements. It also underscores Japan Post Holdings’ adherence to corporate governance principles by clearly separating its ownership interests from any operational influence over AFLAC Inc.

Conclusion

Japan Post Holdings’ recent Form 4 filing illustrates its continued engagement with the U.S. equity markets and its disciplined approach to managing trust‑held assets. The update confirms the company’s ongoing commitment to transparent reporting and responsible stewardship of its investment portfolio, while reinforcing the separation between ownership and corporate governance roles across international markets.