Insider Trading March 19, 2026

Japan Post Reduces Aflac Stake with $1.72M Sale; Insurer Posts Mixed Q4 Results

Sale trims holdings slightly while Aflac reports an EPS miss and a revenue beat; Mizuho lifts its price target but keeps an Underperform rating

By Ajmal Hussain AFL
Japan Post Reduces Aflac Stake with $1.72M Sale; Insurer Posts Mixed Q4 Results
AFL

Japan Post Holdings sold 15,700 shares of Aflac Inc. common stock on March 17, 2026, for $1.72 million at a weighted average price of $109.77. After the transaction the firm retains a direct holding of 52,100,900 Aflac shares. Separately, Aflac reported fourth-quarter 2025 results that missed EPS expectations but exceeded revenue forecasts, and Mizuho nudged its price target to $107 while maintaining an Underperform rating.

Key Points

  • Japan Post Holdings sold 15,700 Aflac shares on March 17, 2026, at a weighted average price of $109.77 for $1.72 million.
  • Aflac’s Q4 2025 EPS missed forecasts at $1.57 vs. $1.70 expected, while revenue beat forecasts at $4.87 billion vs. $4.28 billion expected.
  • Mizuho raised its price target to $107 from $104 but maintained an Underperform rating, projecting a -6% return.

Summary: Japan Post Holdings Co., Ltd. executed a sale of 15,700 shares of Aflac Inc. (NYSE:AFL) common stock on March 17, 2026, receiving a weighted average price of $109.77 per share for proceeds of $1.72 million. Transaction prices ranged from $109.42 to $110.3525. Following the disposition, Japan Post Holdings continues to directly own 52,100,900 Aflac shares. Separately, Aflac released fourth-quarter 2025 results showing an earnings-per-share shortfall alongside a revenue beat; Mizuho adjusted its price target upward to $107 but preserved an Underperform rating.

Transaction details: The 15,700-share sale posted an aggregate value of $1.72 million based on a weighted average price of $109.77. Reported trade prices spanned $109.42 to $110.3525. At the time of the report Aflac stock was trading at $107.55 and the company carried a market capitalization of $55.56 billion. Japan Post Holdings’ remaining direct stake of 52,100,900 shares keeps it as a substantial shareholder in the insurer.

Dividend profile noted: According to InvestingPro, Aflac has increased its dividend for 42 consecutive years and offers a 2.26% yield. That characteristic is cited alongside other investor-focused metrics available to subscribers of that service.

Quarterly results snapshot: Aflac’s fourth-quarter 2025 earnings per share were reported at $1.57, which missed the forecasted $1.70 - a 7.65% negative surprise. Revenue for the quarter came in at $4.87 billion, exceeding the expected $4.28 billion - a 13.79% positive surprise.

Analyst note: In a separate development Mizuho raised its price target for Aflac to $107 from $104 while retaining an Underperform rating. The firm’s one-time adjustment to the target is described as a valuation roll-forward; Mizuho still projects a negative 6% return for the stock based on that rating and target.

Context and takeaways: The disclosed sale by Japan Post Holdings and Aflac’s mixed quarterly performance are presented as concurrent developments. Japan Post’s transaction size and the company’s maintained direct holding are reported facts. The corporate earnings release and the Mizuho target movement are reported without additional interpretation.


Key points:

  • Japan Post Holdings sold 15,700 Aflac shares on March 17, 2026, for $1.72 million at a weighted average price of $109.77.
  • Aflac reported Q4 2025 EPS of $1.57 (vs. $1.70 expected) and revenue of $4.87 billion (vs. $4.28 billion expected), representing a mixed earnings release.
  • Mizuho raised its price target to $107 from $104 but maintained an Underperform rating, projecting a -6% return.

Risks and uncertainties:

  • Insider transactions such as the Japan Post sale may be interpreted by market participants in different ways; the sale amount and resulting stake size are explicit, but market reaction is not detailed here - this affects equity holders and financial markets.
  • Aflac’s EPS shortfall introduces near-term earnings uncertainty for investors focused on profitability metrics, which can influence insurance and financial-sector valuations.
  • Analyst stances carry ambiguity - Mizuho’s slight price-target increase accompanied by an Underperform rating highlights differing valuation views that may affect investor sentiment in insurance and broader financial services sectors.

Risks

  • The insider sale could influence market perception of Aflac’s shares, impacting equity investors and the financial sector.
  • Aflac’s EPS miss in Q4 2025 creates near-term earnings uncertainty that may affect insurer valuations.
  • Analyst divergence - a higher price target paired with an Underperform rating indicates varied expectations that can contribute to stock volatility.

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