Centene Corporation (CNC) Insider Trading
Over the last 3 months, CNC insiders made 0 open-market buys and 3 sales, a net sale of -$12.1M (SEC Form 4). Over the last 6 months, 652 institutions increased and 705 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$12.1M
Insider trades by month Buys Sells
Dec
Jul
Aug
Dec
Jun
Aug
Context3-month price +8.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 27, 2026 | KOSTER CHRISTOPHERofficer: Secretary & General Counsel | Sell | 56,500 | $66.90 |
| Aug 19, 2026 | KOSTER CHRISTOPHERofficer: Secretary & General Counsel | Sell | 47,603 | $65.36 |
| Jul 28, 2026 | DIAZ PAUL Jdirector | Grant | 2,771 | — |
| Jul 20, 2026 | Tyler Lauren Mdirector | Grant | 3,155 | — |
| Jul 1, 2026 | TANJI KENNETHdirector | Grant | 581 | — |
| Jul 1, 2026 | EPPINGER FREDERICK Hdirector | Grant | 833 | — |
| Jul 1, 2026 | Tyler Lauren Mdirector | Grant | 61 | — |
| Jul 1, 2026 | Samuels Theodore R. IIdirector | Grant | 465 | — |
| Jul 1, 2026 | COUGHLIN CHRISTOPHER Jdirector | Grant | 562 | — |
| Jun 15, 2026 | SMITH SUSAN RAYEofficer: Chief Operating Officer | Tax | 483 | $65.19 |
| Jun 11, 2026 | Burdick Kenneth Adirector | Sell | 80,000 | $64.55 |
| May 26, 2026 | Carson Michael Aofficer: Group President, Medicare&Spec | Grant | 48 | — |
| May 13, 2026 | FORD MONTE Edirector | Grant | 3,992 | — |
| May 13, 2026 | BLUME JESSICA L.director | Grant | 3,992 | — |
| May 13, 2026 | COUGHLIN CHRISTOPHER Jdirector | Grant | 3,992 | — |
| May 13, 2026 | Burdick Kenneth Adirector | Grant | 3,992 | — |
| May 13, 2026 | Dallas H Jamesdirector | Grant | 3,992 | — |
| May 13, 2026 | Samuels Theodore R. IIdirector | Grant | 3,992 | — |
| May 13, 2026 | TANJI KENNETHdirector | Grant | 3,992 | — |
| May 13, 2026 | EPPINGER FREDERICK Hdirector | Grant | 6,654 | — |
| Apr 16, 2026 | MCNALLY TANYA Mofficer: Chief People Officer | Tax | 964 | $37.26 |
| Mar 31, 2026 | EPPINGER FREDERICK Hdirector | Grant | 1,690 | — |
| Mar 31, 2026 | Samuels Theodore R. IIdirector | Grant | 943 | — |
| Mar 31, 2026 | TANJI KENNETHdirector | Grant | 1,179 | — |
| Mar 31, 2026 | COUGHLIN CHRISTOPHER Jdirector | Grant | 1,140 | — |
| Mar 17, 2026 | Asher Andrew Lynnofficer: Chief Financial Officer | Tax | 15,241 | $34.45 |
| Mar 17, 2026 | LONDON SARAHdirector, officer: Chief Executive Officer | Tax | 36,061 | $34.45 |
| Mar 17, 2026 | MCNALLY TANYA Mofficer: Chief People Officer | Tax | 2,785 | $34.45 |
| Mar 17, 2026 | SMITH SUSAN RAYEofficer: Chief Operating Officer | Tax | 2,918 | $34.45 |
| Mar 17, 2026 | KOSTER CHRISTOPHERofficer: Secretary & General Counsel | Tax | 9,087 | $34.45 |
Source: CNC SEC Form 4 filings, latest Aug 27, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CNC positions over the last 6 months (SEC Form 13F).
Increased
652
New positions
329
Reduced
705
Sold out
81
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 41.4M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 39.8M | May 13, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 33.6M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 31.5M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 31.2M | May 15, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Reduced | 28.7M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 22.4M | Aug 13, 2026 |
| STATE STREET CORP | Increased | 22.0M | Aug 7, 2026 |
| STATE STREET CORP | Increased | 21.6M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 21.6M | May 8, 2026 |
| HARRIS ASSOCIATES L P | Increased | 14.1M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 13.3M | Aug 12, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 13.3M | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 13.0M | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | Increased | 12.4M | Aug 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.