Japan Post Holdings Co., Ltd. sold ~$29M in Aflac Incorporated stock
Aflac Incorporated (AFL) · Data via SEC EDGAR Form 4
Price Performance · 10 days before → 90 days after trade
▲ = insider buy date
Trade Details · Public SEC Filing
Insider
Japan Post Holdings Co., Ltd.
Role
—
Transaction
Open-Market Sale
Approx. Value
~$29M
Trade Date
May 15, 2026
Company
Aflac Incorporated
Ticker
AFLSource
SEC EDGAR Form 4
Why This Trade Stands Out
Strong conviction signal
Scored above average across multiple factors. Roughly 15% of insider trades qualify as Strong.
~$29M sale
Trades over $1M are rare. When insiders put this much of their own money on the line, they tend to have high conviction in their company's direction.
3 insiders traded in the same window
When multiple insiders independently buy within 30 days, it's called a cluster. Studies show clustered insider purchases outperform solo trades significantly, because several people with inside knowledge are reaching the same conclusion.
How good is Japan Post Holdings Co., Ltd. at picking stocks?
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Japan Post Holdings Co., Ltd. wasn't the only one selling.
3 insiders at Aflac Incorporated traded within the same 30-day window.
See who else bought · FreeOn May 15, 2026, Japan Post Holdings Co., Ltd. — a corporate insider at Aflac Incorporated — filed a Form 4 with the SEC disclosing an open-market sale of approximately ~$29M in Aflac Incorporated (AFL) stock.
This transaction was part of a cluster — 3 insiders at Aflac Incorporated made open-market sales within the same 30-day window. Cluster activity from multiple independent insiders is one of the most studied patterns in insider trading research.
Under Section 16(a) of the Securities Exchange Act of 1934, corporate insiders must report all open-market stock transactions to the SEC within two business days. These filings — known as Form 4s — are publicly available on the SEC's EDGAR database. VeritySignals filters and scores the full Form 4 stream to surface high-conviction signals like this one.
VeritySignals Conviction Analysis
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All data sourced from publicly available SEC Form 4 filings via EDGAR · Not financial advice · Past performance does not guarantee future results.
At a Glance
More AFL Insider Activity
BEAVER STEVEN KENT
May 22, 2026
~$649K
STRONG
Japan Post Holdings Co., Ltd.
May 22, 2026
~$74M
STRONG
LAKE CHARLES D II
May 5, 2026
~$737K
STRONG
Japan Post Holdings Co., Ltd.
Apr 9, 2026
~$36M
VS
How to Read Insider Trades
What is this?
When company executives buy or sell their own stock, they must report it to the SEC within 2 days. These public filings reveal what the people who know the company best are doing with their own money.
Why does it matter?
Insiders can sell for many reasons (taxes, diversification, expenses), but they generally only buy for one: they think the stock is going up. That's why insider purchases are more predictive than sales.
What makes a trade "strong"?
We score trades on 15+ factors: the insider's role (CEO > director), trade size relative to their salary, whether other insiders also bought (clusters), and historical accuracy of the insider.
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