In January 2026, significant moves in the U.S. stock market forced UnitedHealth (NYSE: UNH) into the spotlight after its stock dropped dramatically, losing nearly 20% of its value in a single session. This sharp plunge not only wiped out tens of billions in market capitalization but also raised pressing questions as several U.S. politicians suspiciously divested their shares weeks before the crash.
What Happened to UnitedHealth Stock?
UnitedHealth entered 2026 as a dominant blue-chip stock. However, on January 27, the company reported weaker-than-expected revenue projections for the year, alongside escalating cost concerns and heightened scrutiny over Medicare Advantage reimbursement rates. By the end of that day, UNH shares were trading at $282.70—down 19%—and marking a staggering loss of nearly 50% from its recent highs of over $600 per share.
Politician Trades Raise Eyebrows
Congressional trade records reveal notable transactions before the stock collapse. These trades, while not proven illegal, have prompted debates about potential insider knowledge and prompted curiosity about the timing:
- Rep. Kevin Hern: Sold UnitedHealth shares valued at $250,001 to $500,000 on December 23, 2025. This sale occurred a month before the crash and a mere days before the company’s issues were disclosed publicly.
- Rep. Julie Johnson: Made two stock sales—one on November 13, 2025, and another on December 18, 2025—both in the $1,001 to $15,000 range. These actions took place when UnitedHealth was still perceived as a “defensive stock” in the healthcare sector.
- Rep. Gilbert Cisneros: Initially sold shares on November 12, 2025, within the $1,001 to $15,000 range, but shortly after, purchased shares valued between $15,001 and $50,000 on December 19, 2025. This buy came just before UnitedHealth’s public revenue warnings.
While these trades are legal under U.S. regulations, the clustering of sales just ahead of the stock’s historic plunge has drawn scrutiny due to their timing.
UnitedHealth’s Revenue Concerns
The company’s 2026 revenue projection—$439 billion—fell short of Wall Street’s expectations of $454–$456 billion. Combined with climbing medical costs and proposed Medicare Advantage payment increases of just 0.09% for 2027, the company’s fundamentals took a beating. This series of unfortunate developments ultimately triggered one of the largest single-session sell-offs in UnitedHealth’s history.
Transparency Matters
The lack of public evidence indicating insider activity doesn’t diminish public concern. Although such trades must be disclosed within a specific timeframe, transparency around investments by government officials remains a critical topic among advocates for stringent financial ethics laws.
What This Means for Investors
The case underlines the importance of staying informed about major economic players, from high-profile stocks to political ties. For retail investors, monitoring significant sell-offs by corporate insiders or public officials can be valuable in assessing risks and opportunities.
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