Transaction · 0001071739-26-000167

KOSTER CHRISTOPHER

KOSTER CHRISTOPHER, SECY, GC, reported an open-market or private sale at CENTENE CORP involving 47603.000000 shares for an estimated $3111332.08. Reported holdings after the transaction were 305353.991000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SSECY, GC
CNCCENTENE CORP
Filing timeAug 19
Trade dateAug 18, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$64.70
Pre-filing
1mo ago +2.7%1w ago +0.3%1d ago -0.4%
Returns since
7d +1.2%30d +0.8%90d +0.8%180d +0.8%1y +0.8%

CNC price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
CNC since 2026-08-19Filed 17 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001071739-26-000167
Common Stock
Transaction date
Aug 18, 2026
Filed Aug 19, 2026, 08:45 PM · 1d delay
Shares
47.6k sh
$6.53k per share
Estimated value
-$311M
Computed from shares × price
Holdings after
305k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership Large Sale
+10score
Filing-only score

+10

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Secretary & General Counsel

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The weighted average price for this transaction is reported within the form. Shares were sold at prices ranging from $65.28 to $65.45. Full information regarding the number of shares at each price is…

  2. F2

    Updated ownership includes common stock acquired through the Company's Employee Stock Purchase Program.

  3. F3

    Ownership includes 229,874 shares of previously-granted restricted stock units and performance stock units (reported at target level performance) subject to vesting requirements.

Original filing · 0001071739-26-000167
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Same reporting owner
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