Insiders / Koster Christopher
Koster Christopher
CIK 1802501personinsider
Companies
1
First seen
Jan 28, 2026
Last activity
Mar 17, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Centene Corp · CNC | 352,836 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Centene Corp | Common Stock | 352,836 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 15, 2026 | Other | CNC Centene Corp Common Stock | $313.0K | -9K -2.51% | 352,836 0.07% of shares | low |
| Jan 26, 2026 | Grant | CNC Centene Corp Common Stock | $0 | +127K +48.46% | 388,862 0.08% of shares | low |
| Jan 26, 2026 | Grant | CNC Centene Corp Common Stock | $0 | +127K +54.01% | 361,923 0.07% of shares | low |