Japan Post Holdings Sells 15,000 Shares of Aflac ($AFL)

Transaction Summary

On September 4, 2026, Japan Post Holdings Co., Ltd., a 10% beneficial owner of Aflac Inc. ($AFL), executed the sale of 15,000 shares of common stock through two open-market transactions under a Rule 10b5-1 trading plan:

• Tranche 1: 14,850 shares at a weighted average price of $117.46 (range: $117.07 – $118.01)
• Tranche 2: 150 shares at a weighted average price of $118.17 (range: $118.08 – $118.32)

The aggregate consideration for the sale was approximately $1,762,006.50 at a blended average price of $117.47 per share.

Ownership Structure & Significance

• Holding Method: The shares are held indirectly through J&A Alliance Holdings Corporation as trustee of the J&A Alliance Trust, of which Japan Post Holdings is the sole settlor and beneficiary.
• Remaining Position: Following these transactions, Japan Post Holdings maintains beneficial ownership of 50,652,690 shares.
• Significance Level: Low. The 15,000 shares sold represent less than 0.03% of the reporting entity's total stake in Aflac and were executed pursuant to an established Rule 10b5-1 plan.