AFLAC Inc: 10% owner Japan Post sold 42,000 shares

What happened

• Japan Post Holdings Co., Ltd., a 10% owner, sold 42,000 shares of Aflac Inc. common stock in open-market or private sale transactions on Oct 13, 2026, for total proceeds of $4,887,764. The filing lists 41,660 shares at $116.37 for $4,847,974 and 340 shares at $117.03 for $39,790.

Key details

• Transaction date and prices: Oct 13, 2026 — sale of 41,660 shares at $116.37 ($4,847,974) and 340 shares at $117.03 ($39,790). Transaction code: S (sale).
• Reported price ranges (footnotes): the $116.37 price is a weighted average of trades priced from $115.61 to $116.59 (F1); the $117.03 price is a weighted average of trades priced from $116.62 to $117.11 (F3). The reporting person will provide the number of shares sold at each price within the ranges upon request.
• Ownership and structure (footnote): the reported securities are held directly by J&A Alliance Holdings Corporation as trustee of the J&A Alliance Trust. General Incorporated Association J&A Alliance, Kenji Sano and Tetsuya Numaguchi may be deemed to beneficially own the securities held by the trustee, and Japan Post may be deemed to beneficially own them as the trust's sole settlor and beneficiary; each expressly disclaims beneficial ownership except to the extent of pecuniary interest (F2).
• Shares owned after the transaction: the filing does not state the number of shares owned following the reported transactions.
• Filing date: filed Oct 15, 2026.

Why it may matter

• Japan Post is reported as a 10% owner, which is a large holder and not an executive.
• The sales were reported as open-market or private-sale transactions (code S); no option exercises, gifts, or tax-withholding transactions are listed for these entries.
• A filing does not show why the insider traded or why the company acted.