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Japan Post Holdings Sells $1.49M in Aflac Under Rule 10b5-1 Plan

Low SignificanceSeptember 22, 2026 at 8:59:03 PM UTC

AFLAC INC

$AFL4CIK: 0000004977

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Filing Summary

# Insider Transaction: AFLAC INC ($AFL)
**Insider:** Japan Post Holdings Co., Ltd. (10% Owner)
**Action:** Open Market Sale (10b5-1 Plan)
**Shares Sold:** 12,800
**Average Price:** $116.22
**Total Value:** $1,487,616.00
**Remaining Holdings:** 50,531,490 shares (Indirect)
**Significance:** Low (Fraction of 50M+ total position)

Comprehensive Analysis

Insider Filing Analysis: Aflac Inc. ($AFL)

Executive Summary

On September 22, 2026, Japan Post Holdings Co., Ltd., a 10% beneficial owner of Aflac Inc. ($AFL), reported the open-market sale of 12,800 shares of common stock executed on September 18, 2026. The sales generated aggregate proceeds of approximately $1.49 million at a weighted average price of approximately $116.22 per share.

Key Transaction Highlights

  • Transaction Dates: September 18, 2026
  • Filing Date: September 22, 2026
  • Transaction Type: Open Market Sale (S), executed under an affirmative Rule 10b5-1 trading plan adoption.
  • Pricing Details:
    • 11,840 shares sold at a weighted average price of $116.19 (range: $115.46 - $116.46)
    • 960 shares sold at a weighted average price of $116.59 (range: $116.48 - $116.68)
  • Ownership Structure: Indirectly held via J&A Alliance Holdings Corporation acting as trustee of the J&A Alliance Trust, of which Japan Post Holdings is the sole settlor and beneficiary.
  • Remaining Holdings: 50,531,490 shares held indirectly following the transaction.

Market & Strategic Context

  • Impact on Holdings: The sale represents approximately 0.025% of Japan Post Holdings' total stake in Aflac, leaving their overarching 50M+ share position virtually intact.
  • Rule 10b5-1 Plan: The filing indicates the transactions were executed pursuant to a pre-arranged Rule 10b5-1 trading plan (aff10b5One flagged as true).
  • Assessment: Due to the scheduled nature under a 10b5-1 plan and the negligible fraction of holdings divested, this transaction has a Low market significance.
Topics:#AFL#Aflac#Form4#SEC#InsiderTrading#JapanPost

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