Centene Corporation
A health insurer that runs government-sponsored plans, Centene covers tens of millions of people through Medicaid, Medicare, and its Ambetter Health marketplace plans, alongside specialty services like the AcariaHealth pharmacy. It began in 1984 when a former hospital bookkeeper, Elizabeth "Betty" Brinn, started a small nonprofit Medicaid plan in Milwaukee called Family Hospital Physician Associates. The company adopted the name "Centene" in 1997 from the Latin for "hundred," and its founding proceeds later helped create a children's foundation in Milwaukee.
Sold 70.0K
Granted 1.2K
Granted 1.42M · Bought 53.3K
Granted 703.3K · Bought 24.0K
Granted 894.18 · Sold 20.0K
Granted 186.4K · Sold 4.0K
Granted 67.1K · Bought 6.8K
Granted 974.04
Granted 34.6K
Granted 17.6K
Granted 174.3K · Sold 20.0K
Granted 45.3K · Sold 146.0K
Granted 340.3K · Sold 70.8K
Granted 523.8
Granted 194.0K
Granted 24.9K · Sold 14.8K
Granted 15.6K · Sold 4.0K
Granted 107.4K
Sold 17.0K
Granted 102.7K · Sold 8.0K
Granted 5.6K
Granted 2.3K · Sold 16.0K
Granted 24.7K · Bought 27.3K
Granted 22.7K · Sold 2.8K
Granted 19.0K · Bought 4.8K
Granted 26.2K · Bought 22.0K · Sold 878
Granted 15.8K · Bought 250
Granted 5.9K · Bought 17.0K
Granted 2.3K · Sold 41.5K
Granted 19.5K
Granted 14.8K
Granted 18.2K · Sold 12.6K
Granted 11.8K
Granted 1.5K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Neidorff Michael FChairman & CEO, Director · 11 transactions | — | 14.06Mas of Feb 2022 | — | — | 70.0K |
| Ditmore Robert KDirector · 3 transactions | +0.1% | 1.66Mas of Jan 2022 | 1.2K | — | — |
| London SarahChief Executive Officer, Director · 31 transactions | +1017.9% | 1.19M | 1.42M | 53.3K | — |
| Asher Andrew LynnChief Financial Officer · 31 transactions | +306.4% | 748.0K | 703.3K | 24.0K | — |
| Roberts John RDirector · 8 transactions | -3.4% | 575.3Kas of Jan 2022 | 894.18 | — | 20.0K |
| Layton Brent DPresident & COO · 13 transactions | +32.7% | 562.9Kas of Dec 2022 | 186.4K | — | 4.0K |
| Murray James EEVP, Chief Operating Officer · 3 transactions | — | 405.8Kas of Jun 2023 | 67.1K | 6.8K | — |
| Thompson Tommy GDirector · 2 transactions | +0.3% | 388.2Kas of Jan 2022 | 974.04 | — | — |
| Eppinger Frederick HDirector · 24 transactions | +10.4% | 368.7K | 34.6K | — | — |
| Burkhalter BrandyEVP · 5 transactions | -6.3% | 350.5Kas of Mar 2022 | 17.6K | — | — |
| Fasola Kenneth JPresident · 11 transactions | — | 286.1Kas of Jul 2024 | 174.3K | — | 20.0K |
| Burdick Kenneth ADirector · 30 transactions | — | 283.6K | 45.3K | — | 146.0K |
| Koster ChristopherSecretary & General Counsel · 27 transactions | +84.3% | 249.0K | 340.3K | — | 70.8K |
| Steward David LDirector · 1 transaction | +0.2% | 219.3Kas of Oct 2021 | 523.8 | — | — |
| Smith Susan RayeChief Operating Officer · 8 transactions | — | 212.2K | 194.0K | — | — |
| Brooks Mark JEVP, Chief Information Officer · 9 transactions | -6.4% | 153.8Kas of Sep 2022 | 24.9K | — | 14.8K |
| Thomas David PCEO, Markets and Medicaid · 7 transactions | +74.7% | 132.9Kas of Dec 2023 | 15.6K | — | 4.0K |
| McNally Tanya MChief People Officer · 7 transactions | — | 127.3K | 107.4K | — | — |
| Bagley ShannonEVP, Chief Admin. Officer · 5 transactions | — | 116.7Kas of Aug 2022 | — | — | 17.0K |
| Casso KatieCorporate Controller & CAO · 23 transactions | +212.3% | 109.8K | 102.7K | — | 8.0K |
| Trubeck William LDirector · 8 transactions | +6.1% | 97.1Kas of Mar 2023 | 5.6K | — | — |
| Ayala OrlandoDirector · 3 transactions | -15.1% | 77.2Kas of Apr 2022 | 2.3K | — | 16.0K |
| Samuels Theodore R. IIDirector · 28 transactions | — | 56.7K | 24.7K | 27.3K | — |
| Toney Colin AEVP, Mergers & Acquisitions · 6 transactions | +39.2% | 52.1Kas of Sep 2022 | 22.7K | — | 2.8K |
| Dallas H JamesDirector · 14 transactions | — | 49.6K | 19.0K | 4.8K | — |
| Coughlin Christopher JDirector · 26 transactions | — | 48.2K | 26.2K | 22.0K | 878 |
| Blume Jessica L.Director · 6 transactions | — | 32.6K | 15.8K | 250 | — |
| Greco ThomasDirector · 3 transactions | — | 22.9Kas of May 2025 | 5.9K | 17.0K | — |
| GEPHARDT Richard ADirector · 9 transactions | -66.7% | 20.9Kas of Dec 2022 | 2.3K | — | 41.5K |
| DeVeydt Wayne SDirector · 19 transactions | — | 19.5Kas of Jun 2025 | 19.5K | — | — |
| Ford Monte EDirector · 6 transactions | — | 14.8K | 14.8K | — | — |
| Robinson Lori JeanDirector · 7 transactions | +63.6% | 14.4Kas of May 2024 | 18.2K | — | 12.6K |
| Tanji KennethDirector · 8 transactions | — | 11.9K | 11.8K | — | — |
| Norwalk Leslie VDirector · 2 transactions | — | 1.5Kas of Mar 2022 | 1.5K | — | — |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over the last 5 years: -293.0K shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.