Japan Post Holdings reported an Aflac share sale on Form 4

What did Japan Post Holdings report?

The SEC Form 4 identifies Japan Post Holdings Co., Ltd. as a 10% owner and reports an open-market sale of 88,114 Aflac (AFL) shares at $118.19 each, about $10.4M. The filing states that the shares were held indirectly.

The transaction date was Oct 15, 2026. The Form 4 was filed on Oct 19, 2026, 4 days later. A footnote mentions a planned or automatic transaction.

How does the sale fit around Aflac results?

The sale occurred 70 days after Aflac’s results announcement on Aug 6, 2026, reported under 8-K Item 2.02.

In the 455 days to Oct 19, 2026, OQRO holds 123 open-market sales by Aflac insiders, counted once per person and day. Of those, 51 were made within 30 days after a results announcement.

How does it compare with other reported sales?

In the 365 days to Oct 19, 2026, OQRO holds 208 other open-market sales by this person, about $238M in total. All 208 were at Aflac.

Across Aflac, 90 other open-market sales by 3 insiders, about $80.4M, were filed in the 90 days to Oct 19, 2026. In the 365 days before that, 143 were filed, about $173M, an average of 35.3 per 90 days.

The largest other filings of the same kind in the period were Masatoshi Koide, Pres. and Rep. Director, ALIJ, about $1.18M on Sep 19, 2026 and Masatoshi Koide, Pres. and Rep. Director, ALIJ, about $377K on Sep 19, 2026.

What other Aflac records are available?

Fund 13F filings recorded in the 90 days to Oct 19, 2026 show 5 new or larger positions and 4 smaller or closed positions in Aflac. In 13F filings for the quarter ended Jun 30, 2026, the largest positions that grew included Caisse de depot et placement du Quebec, which increased by 420,084 shares, and Storebrand Asset Management AS, which increased by 68,382 shares. The largest positions that shrank were Pinebridge Investments LLC and Sapient Capital LLC, both sold out. A 13F is a quarter-end snapshot with no trade date.

FINRA short interest for AFL on the settlement date of Sep 30, 2026 was 11,649,434 shares, +0.5% on the previous report, or about 5.17 days of average volume.

Aflac’s fiscal 2025 proxy statement reported total compensation of $25M for its principal executive officer and an average of $6.83M for the other named executive officers. Proxy compensation counts stock and option awards at grant-date value, not what was sold.

What was reported around the transaction date?

Aflac closed at $118.05 on Oct 15, 2026, the last session on or before the trade date. From Sep 15, 2026 to Oct 15, 2026, the close moved from $117.55 to $118.05, a change of +0.4%. The filing does not explain the price moves, and other news can move a price.

Finnhub listed the headline “AM Best Affirms Credit Ratings of Aflac Incorporated and Its Subsidiaries” from Yahoo, Oct 14, 2026. OQRO has not checked the headline or summarized the article.

What this does not tell you?

A Form 4 reports a transaction; it does not say why it was made. The filing’s footnote mentions a planned or automatic transaction, but does not identify which circumstances apply here. As general background, many companies let insiders trade only in a window that opens after results, and a sale can also follow an option exercise, a tax bill or a pre-arranged plan. A Form 4 does not say which of these applies here.

The comparisons use only the filings OQRO holds. Headlines are listed as published by the outlets, and OQRO has not checked them or summarized the articles. Share price moves are listed as context only; the filing does not explain them, and other news can move a price. This describes public filings and is not investment advice.