Christopher A. Koster

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
St. Louis, MO
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Christopher A. Koster
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Christopher A. Koster

Form 4 holding Secretary & General Counsel

CENTENE CORP

Security class
Common Stock
Shares / value
352,836
Estimated value
$15,256,612
Report date
15 Mar 2026
Price
$43.24
Ownership
Direct
Form 4 holding Secretary & General Counsel

CENTENE CORP

Security class
Common Stock Option (right to buy)
Shares / value
15,690
Estimated value
$678,435
Report date
15 Mar 2026
Price
$43.24
Ownership
Direct
Underlying class
Common Stock
Underlying amount
15,690
Form 4 holding Secretary & General Counsel

CENTENE CORP

Security class
Phantom Stock
Shares / value
3,016
Estimated value
$130,392
Report date
15 Mar 2026
Price
$43.24
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,016
Form 4 holding Secretary & General Counsel

CENTENE CORP

Security class
Common Stock
Shares / value
100
Estimated value
$4,324
Report date
15 Mar 2026
Price
$43.24
Ownership
By Spouse

Insider Reports Filed by Christopher A. Koster

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