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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (3 ops.)
Latest filing published 27 Aug 2026 for CENTENE CORP, €3.2M. Read the official filing
Filing timeline
BuySaleChristopher Koster
Insider track record
Disclosed buys
0
Disclosed sells
3
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Christopher Koster: trading record in brief
Christopher Koster is a declared insider of Centene Corp (senior executive), with filings sourced from SEC (Form 4). Over a trading history stretching from 23 June 2021 to 26 August 2026, the count stands at 22 filings.
The open-market record consists of 3 sales worth €6.8M, with no purchase. Outside the open market, there are 18 share grants. Since January 2026: no purchases and 2 sales on the market.
Most recently, on 27 August 2026, the filings show an open-market sale worth €3.2M in Centene Corp. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. The legal deadline for a Form 4 is two business days after the transaction. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Christopher Koster
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations22 total
56,500 shares@ US$66.90Common StockSEC:0001071739-26-000169:0
47,603 shares@ US$65.360.0097% mcap22.5% of flowCommon StockSEC:0001071739-26-000167:0
9,087 shares@ US$34.454.1% of flowCommon StockSEC:0001071739-26-000065:0
126,925 shares0Common StockSEC:0001071739-26-000040:0
126,925 shares0Common StockSEC:0001071739-26-000019:0
4,039 shares@ US$58.192.6% of flowCommon StockSEC:0001071739-25-000051:0
10,661 shares0Common StockSEC:0001071739-25-000019:0
2,518 shares@ US$59.421.7% of flowCommon StockSEC:0001071739-24-000226:0
1,987 shares@ US$67.931.5% of flowCommon StockSEC:0001071739-24-000136:0
2,135 shares@ US$76.051.8% of flowCommon StockSEC:0001071739-24-000060:0
6,336 shares0Common StockSEC:0001071739-24-000025:0
4,889 shares@ US$75.514.0% of flowCommon StockSEC:0001071739-23-000223:0
1,994 shares@ US$66.801.4% of flowCommon StockSEC:0001071739-23-000164:0
41,444 shares@ US$63.3429.1% of flowCommon StockSEC:0001071739-23-000068:0
324 shares0Common StockSEC:0001071739-23-000035:0
4,928 shares@ US$83.004.6% of flowCommon StockSEC:0001071739-22-000395:0
1,340 shares@ US$86.251.3% of flowCommon StockSEC:0001071739-22-000384:0
2,010 shares@ US$81.871.9% of flowCommon StockSEC:0001071739-22-000249:0
5,856 shares@ US$66.235.2% of flowCommon StockSEC:0001071739-21-000279:0
1,343 shares@ US$74.871.4% of flowCommon StockSEC:0001071739-21-000258:0
14,300 shares@ US$70.1713.1% of flowCommon StockSEC:0001071739-21-000236:0
13,500 shares@ US$72.2012.4% of flowCommon StockSEC:0001071739-21-000159:0
22 of 22 declarations
