Insider Trading March 12, 2026

Japan Post Holdings trims Aflac stake with $2.1M share sale

Three-block disposition on March 10 reduces Japan Post's holdings to just over 52.18 million shares as Aflac posts mixed Q4 results

By Marcus Reed AFL
Japan Post Holdings trims Aflac stake with $2.1M share sale
AFL

Japan Post Holdings sold 19,000 Aflac shares on March 10, 2026, in three transactions totaling $2.1 million. The insurer reported mixed fourth-quarter 2025 results, with revenue beating estimates while earnings per share missed. Market assessments show Aflac slightly overvalued and a recent analyst price-target adjustment maintained an Underperform rating.

Key Points

  • Japan Post Holdings sold 19,000 Aflac shares on March 10, 2026, in three trades totaling $2.1 million.
  • Aflac's Q4 2025 results were mixed: EPS of $1.57 missed estimates while revenue of $4.87 billion exceeded forecasts.
  • InvestingPro labels Aflac slightly overvalued; Mizuho raised its target to $107 but retained an Underperform rating expecting a -6% return.

Japan Post Holdings Co., Ltd. disclosed a sale of 19,000 shares of Aflac Inc. (NYSE: AFL) common stock on March 10, 2026, bringing proceeds from the transactions to $2.1 million. The trades were executed in three separate blocks with per-share prices ranging from $109.63 to $111.39.

The individual transactions were recorded as follows:

  • 3,332 shares sold at $109.63 per share
  • 13,281 shares sold at $110.51 per share
  • 2,387 shares sold at $111.39 per share

Following completion of these sales, Japan Post Holdings directly holds 52,186,100 Aflac shares. The shareholder is identified in regulatory filings as a ten-percent owner of Aflac.

At the time of the disclosure, Aflac was trading near $109.33. InvestingPro valuation analysis cited in the company update describes the stock as slightly overvalued. The insurer is assigned a market value of $56.5 billion in that assessment and is noted for a dividend yield of 2.23% and a streak of raising its dividend for 42 consecutive years.

Separate company results for fourth-quarter 2025 reflected a mixed performance. Aflac reported earnings per share of $1.57, below the consensus expectation of $1.70 - a negative surprise of 7.65%. Revenue for the quarter totaled $4.87 billion, outpacing projections of $4.28 billion and representing a positive surprise of 13.79%.

On the analyst front, Mizuho revised its price target on Aflac from $104.00 to $107.00, a 3% increase attributed to a valuation roll-forward. The firm, however, maintained an Underperform rating and cited an expected negative 6% return for the stock.

The disclosures and results present a snapshot of recent insider activity and corporate performance for Aflac, leaving investors with both upside and downside data points amid ongoing market assessments.


Key points

  • Japan Post Holdings sold 19,000 Aflac shares on March 10, 2026, in three transactions totaling $2.1 million.
  • Aflac reported mixed Q4 2025 results: revenue of $4.87 billion beat expectations while EPS of $1.57 missed estimates.
  • Market indicators list Aflac as slightly overvalued; Mizuho raised its price target to $107.00 but kept an Underperform rating.

Impacted sectors: Insurance, Financials, Capital Markets.

Risks and uncertainties

  • Earnings shortfall - Aflac's Q4 2025 EPS of $1.57 missed the $1.70 estimate, indicating potential pressure on profitability (impacts: Insurance, Financials).
  • Valuation concerns - InvestingPro analysis classifies the stock as slightly overvalued, which may influence investor appetite (impacts: Capital Markets, Institutional Investors).
  • Analyst outlook - Mizuho retains an Underperform rating and projects a negative 6% return despite a modest lift in its price target, reflecting analyst caution (impacts: Equity Research, Investor Sentiment).

Risks

  • Aflac reported an EPS miss in Q4 2025, which may signal near-term profitability pressure in the insurance sector.
  • Valuation assessment describes the stock as slightly overvalued, potentially reducing investor demand in capital markets.
  • An analyst Underperform rating and projected negative return from Mizuho reflect continuing market skepticism.

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