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Christopher Koster

Secretary & General Counsel

Christopher Koster (Secretary & General Counsel) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in Centene Corporation (CNC). The largest single filing was $3.8M of CNC (56,500 sh × $66.90, as filed), executed Aug 26.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
2
0 buys · 2 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$6.9M
shares × price, as filed
Last traded
Aug 26
Filed Aug 27

Median ADV $320.1M across their filed names

Open performance→
Volume by month
$6.9M$3.4M$0Oct 2024Apr 2025Oct 2025Apr 2026Aug 2026 · sells $6.9M
Buys $0 Sells $6.9M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 2 filings

Sector per market data · by filing · past 12 months

Most traded names
CNC Centene Corporation CNC · 0 buys · 2 sells 2 filings
Recent filings
CNCSALE Centene Corporation View filing → $3.8M
56,500 sh × $66.90
Exec Aug 26
Filed Aug 27 · 4:45 PM ET CNCSALE Centene Corporation View filing → $3.1M
47,603 sh × $65.36
Exec Aug 18
Filed Aug 19 · 4:45 PM ET