Christopher Koster serves as Executive at CENTENE CORP, where they oversee executive responsibilities. Since joining the company, Christopher Koster has executed 29 insider transactions totaling $1.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 26, 2026 involved receiving (via award) 126,925 shares valued at $0.
Christopher Koster currently holds 388,861.62 shares of CENTENE CORP (CNC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Christopher Koster has been a net seller of CNC stock. They have purchased $0 and sold $1.0M worth of shares.
Christopher Koster's most recent insider trade was on Jan 26, 2026, when they sold 126,925 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $67.93 |
| Discretionary |
| Mar 15, 2024 | CNC | $0 | Award | 37,147 | $N/A | Discretionary |
| Mar 15, 2024 | CNC | $162.4K | Payment | 2,135 | $76.05 | Discretionary |
| Feb 6, 2024 | CNC | $996.2K | Payment | 13,449 | $74.07 | Discretionary |
| Feb 6, 2024 | CNC | $0 | Award | 6,336 | $N/A | Discretionary |
| Dec 15, 2023 | CNC | $369.2K | Payment | 4,889 | $75.51 | Discretionary |
| Jun 23, 2023 | CNC | $133.2K | Payment | 1,994 | $66.80 | Discretionary |
| Mar 15, 2023 | CNC | $2.6M | Award | 41,444 | $63.34 | Discretionary |
| Feb 7, 2023 | CNC | $0 | Award | 324 | $N/A | Discretionary |
| Feb 7, 2023 | CNC | $438.5K | Payment | 6,175 | $71.01 | Discretionary |
| Dec 15, 2022 | CNC | $409.0K | Payment | 4,928 | $83.00 | Discretionary |
| Dec 10, 2022 | CNC | $115.6K | Payment | 1,340 | $86.25 | Discretionary |
| Jun 23, 2022 | CNC | $164.6K | Payment | 2,010 | $81.87 | Discretionary |
| Dec 15, 2021 | CNC | $3.0M | Award | 36,347 | $81.85 | Discretionary |
| Dec 15, 2021 | CNC | $849.4K | Payment | 10,378 | $81.85 | Discretionary |
| Dec 15, 2021 | CNC | $387.8K | Award | 5,856 | $66.23 | Discretionary |
| Dec 11, 2021 | CNC | $93.7K | Payment | 1,194 | $78.45 | Discretionary |
| Dec 10, 2021 | CNC | $100.6K | Payment | 1,343 | $74.87 | Discretionary |
| Oct 28, 2021 | CNC | $1.0M | Sale | 14,300 | $70.17 | Discretionary |
| Jun 23, 2021 | CNC | $974.7K | Award | 13,500 | $72.20 | Discretionary |
| Apr 27, 2021 | CNC | $738.4K | Payment | 11,188 | $66.00 | Discretionary |
| Dec 15, 2020 | CNC | $439.1K | Payment | 7,351 | $59.73 | Discretionary |
| Dec 15, 2020 | CNC | $2.4M | Award | 40,000 | $59.73 | Discretionary |
| Dec 15, 2020 | CNC | $286.4K | Award | 5,746 | $49.85 | Discretionary |
| Dec 12, 2020 | CNC | $64.5K | Payment | 1,063 | $60.71 | Discretionary |
| Dec 11, 2020 | CNC | $73.2K | Payment | 1,194 | $61.31 | Discretionary |
| Dec 10, 2020 | CNC | $85.2K | Payment | 1,343 | $63.45 | Discretionary |
| Feb 20, 2020 | CNC | $201.0K | Payment | 2,984 | $67.37 | Discretionary |