KOSTER CHRISTOPHER sold $3.8M of CNC
KOSTER CHRISTOPHER (Secretary & General Counsel) sold 56,500 shares of CENTENE CORP (CNC) at $66.90 ($3.78M total) on 2026-08-26.
How this was made
The 30-second read
Why it matters
The sale reduces insider ownership but is unlikely to move the stock significantly.
Market read
Provides fresh insider transaction data for traders monitoring CNC.
What to watch
Potential upcoming earnings or strategic moves not disclosed.
Background
Form 4 filing discloses insider transactions to the SEC.
Ticker impact
Officer Christopher Koster sold 56,500 shares for $3.78M, reducing his stake to 248,854 shares.
Potential short-term pressure on CNC stock.
Officer sale of $3.8M is material but not large enough to trigger major price move.
Market effects
Minimal impact on health insurance sector.
None.
None.
Counterpoint
Insider sale could be routine portfolio rebalancing, not a negative signal.
Key entities
- CompanyCentene Corp
US-listed health insurer (ticker CNC).
- IndividualChristopher Koster
Secretary & General Counsel of Centene.


