Quick Takeaways
- Christopher A. Koster has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $16,069,763.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Christopher A. Koster
- Location
- St. Louis, MO
- Summary
- The estimated net worth of Christopher A. Koster is at least $16,069,763 dollars as of 17 Mar 2026. Christopher A. Koster is the Secretary & General Counsel of CENTENE CORP and owns shares of CENTENE CORP (CNC) stock worth about $16.07M.
- Signature
- /s/ Christopher A. Koster
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Christopher A. Koster and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: CENTENE CORP ($16,069,763).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Christopher A. Koster
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| CNC | CENTENE CORP | Secretary & General Counsel | $16,069,763 | 15 Mar 2026 |
Insider Transactions Reported by Christopher A. Koster:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.