Aflac Inc. disclosed that J&A Alliance Holdings Corporation, acting as trustee for the J&A Alliance Trust, sold 13,000 shares of its common stock on October 5, 2026. The transaction was executed under a prearranged Rule 10b5-1 trading plan, with shares sold at a weighted-average price of $112.25 per share, ranging between $111.85 and $112.47. Following the sale, J&A Alliance Holdings reported beneficial ownership of 50,407,190 shares of Aflac common stock. The reporting entity is a trust where General Incorporated Association J&A Alliance serves as the owner, with Kenji Sano and Tetsuya Numaguchi holding equity interests in the general incorporated association. Japan Post Holdings Co., Ltd., identified as the sole settlor and beneficiary of the trust, may be deemed to beneficially own the shares held by the trustee. However, all related parties expressly disclaimed beneficial ownership except to the extent of their pecuniary interest in the securities. This filing represents a routine insider transaction reported under Section 16(a) of the Securities Exchange Act of 1934. The sale was structured to comply with affirmative defense conditions of Rule 10b5-1, ensuring trades were made pursuant to a written plan rather than based on material nonpublic information.