10% Owner Japan Post Holdings Sells 13,800 Shares of Aflac

Transaction Summary

On September 16, 2026, Japan Post Holdings Co., Ltd., a 10% beneficial owner of Aflac Inc. ($AFL), executed open-market sales totaling 13,800 shares of common stock under a Rule 10b5-1 trading plan. The sales generated aggregate proceeds of approximately $1,621,409 across two weighted-average price brackets:

• 2,986 shares sold at a weighted average price of $116.89 (range: $116.25 – $117.25)
• 10,814 shares sold at a weighted average price of $117.66 (range: $117.26 – $118.09)

Ownership and Context

The shares are held indirectly through J&A Alliance Holdings Corporation as trustee of the J&A Alliance Trust, where Japan Post serves as the sole settlor and beneficiary.

Following these transactions, Japan Post Holdings retains indirect beneficial ownership of 50,557,190 shares. The 13,800 shares sold represent roughly 0.027% of their total holdings, indicating routine or programmatic liquidity under a pre-established plan rather than a significant change in position or sentiment.