Christopher Neczypor was named Chief Financial Officer of Centene Corp, succeeding Andrew Asher, effective January 1, 2027. As of November 6, 2026, Centene Corp has reported 4 leadership change filings to the SEC under Item 5.02 of Form 8-K, from May 15, 2026 to August 17, 2026, naming 3 appointments and 1 departure (Form 8-K, August 17, 2026).
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Key facts
- · In / out: Out · Person: Andrew Asher · Role: Chief Financial Officer · Effective: 2026-12-31 · 8-K, 2026-08-17
- · In / out: In · Person: Paul Diaz · Effective: 2026-07-28 · 8-K, 2026-07-28
- · In / out: In · Person: Lauren Tyler · Effective: 2026-06-19 · 8-K, 2026-06-22
- · In / out: Reported · Person: not named in the filing · 8-K, 2026-05-15
Centene Corp reported changes in 4 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-05-15 to 2026-08-17. They name 4 people, with 3 appointments and 1 departure. Every row below is cited to the filing it comes from, and this page adds each new change as Centene Corp files it.
Also on the record for Centene Corp
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| April 29, 2026 | Stake report, Schedule 13G, by Vanguard Capital Management | 7.3% of the class | 5%+ stakes | Source |
| March 26, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| February 13, 2026 | Stake report, Schedule 13G, by AQR Capital Management, LLC | 6.47% of the class | 5%+ stakes | Source |
| November 5, 2025 | Stake report, Schedule 13G/A, by FMR LLC | 0.7% of the class | 5%+ stakes | Source |
| November 4, 2025 | Stake report, Schedule 13G/A, by Norges Bank | 1.4% of the class | 5%+ stakes | Source |
| August 14, 2025 | Stake report, Schedule 13G/A, by HARRIS ASSOCIATES L P | 4.1% of the class | 5%+ stakes | Source |
| July 16, 2025 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 7.7% of the class | 5%+ stakes | Source |
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More on Centene Corp and the records around it.
Centene Corp elsewhere on the record
Companies that share a holder
- HARRIS ASSOCIATES L P also filed stake reports on 19 other companies: Corebridge Financial, Inc. (May 2026), ICON plc (May 2026), Lithia Motors, Inc. (May 2026)
- Norges Bank also filed stake reports on 36 other companies: Atour Lifestyle Holdings Ltd (Aug 2026), BXP, Inc. (Aug 2026), Cabaletta Bio, Inc. (Aug 2026)
- AQR Capital Management, LLC also filed stake reports on 190 other companies: Bold Eagle Acquisition Corp. (Nov 2026), Centurion Acquisition Corp. (Aug 2026), FG Merger II Corp. n/k/a BOXABL Inc. (Aug 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-08-17 | Out | Chief Financial Officer | 2026-12-31 | 8-K, 2026-08-17 | |
| 2026-08-17 | In | Chief Financial Officer | 2027-01-01 | 8-K, 2026-08-17 | |
| 2026-07-28 | In | 2026-07-28 | 8-K, 2026-07-28 | ||
| 2026-06-22 | In | 2026-06-19 | 8-K, 2026-06-22 | ||
| 2026-05-15 | Reported | not named in the filing | 8-K, 2026-05-15 |
Who leads Centene Corp, as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- Chief Financial Officer: Christopher Neczypor, appointed, effective 2027-01-01 (filed 2026-08-17).
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Departing: Andrew Asher, Chief Financial Officer, effective 2026-12-31
On August 12, 2026, Andrew Asher, Chief Financial Officer of Centene Corporation (the Company), informed the Company that he intends to retire as Chief Financial Officer effective as of December 31, 2026.
Appointed: Christopher Neczypor, Chief Financial Officer, effective 2027-01-01
The Employment Agreement provides that, effective on or about September 1, 2026, Mr. Neczypor will serve as Executive Vice President, reporting to Ms. London, until his appointment as Executive Vice President and Chief Financial Officer of the Company, expected to be effective January 1, 2027.
- Thereafter, Mr. Asher will serve as Strategic Advisor, reporting to Sarah M. London, the Company's Chief Executive Officer, through the end of 2027, to ensure an orderly transition and to support certain strategic initiatives of the Company.
- On August 17, 2026, the Company announced that it has identified Christopher Neczypor as Mr. Asher's successor to be Chief Financial Officer of the Company, with such appointment intended to be effective as of January 1, 2027.
- Mr. Neczypor, age 45, previously served as Chief Financial Officer of Lincoln National Corporation (NYSE: LNC) (Lincoln), a provider of life insurance, annuities, group benefits and retirement solutions, from February 2023 to August 2026.
- Prior to that, from November 2021 to February 2023, Mr. Neczypor served as Chief Strategy Officer for Lincoln.
- Prior to that, Mr. Neczypor served as Lincoln's Head of Investment Risk and Strategy from April 2018 through November 2021.
- Before joining Lincoln, Mr. Neczypor was an investor with Kingdon Capital Management, a hedge fund, from May 2014 to April 2018, where he was responsible for an investment portfolio focused on investments in insurance companies and alternative investments.
- Prior to joining Kingdon, he served in similar roles at other investment firms with a focus on the insurance industry.
- Mr. Neczypor started his career as an auditor at PWC in their insurance practice.
Appointed: Paul Diaz, effective 2026-07-28
(d) Effective July 28, 2026, the Board elected Paul Diaz to the Board to fill the vacancy created by Mr. Burdick's resignation, with a term expiring at the Company's 2027 annual meeting of stockholders.
- (a) On July 23, 2026, Director Kenneth Burdick notified Centene Corporation (the Company) of his resignation from the Board of Directors (the Board), including from his service on the Quality and Compliance Committee, effective July 28, 2026.
- His resignation was not the result of any dispute or disagreement with the Company or the Company's Board on any matter relating to the operations, policies or practices of the Company.
- He was appointed to serve as a member of the Audit Committee and the Quality and Compliance Committee.
- Mr. Diaz has served as a Managing Partner at Cressey & Company, a private equity firm focusing on healthcare, since May 2025.
- Prior to that, he served as Director, President and CEO of Myriad Genetics, Inc., a publicly-traded genetic testing and precision medicine company from August 2020 to April 2025.
- Prior to that, he was a partner with Cressey from 2016 to 2020.
- Prior to that, he served with Kindred Healthcare, a Fortune 500 Company and one of the largest providers of healthcare services in the United States, from 2002 to 2018.
- He was the President and CEO of Kindred Healthcare from 2004 to 2015 and a director from 2004 to 2018.
- Mr. Diaz will participate in the Company's standard non-employee director compensation program as described in the Company's proxy statement filed with the SEC on March 27, 2026.
Appointed: Lauren Tyler, effective 2026-06-19
Effective June 19, 2026, the Board of Directors (the Board) of Centene Corporation (the Company) increased the size of the Board from 9 to 10 and elected Lauren Tyler to the Board to fill the resulting vacancy, with a term expiring at the Company's 2027 annual meeting of stockholders.
- She is anticipated to serve as a member of the Audit Committee and the Compensation and Talent Committee, effective as of July 1, 2026.
- Ms. Tyler served for more than two decades at JPMorgan Chase & Co., a multinational banking institution.
- She most recently served as Executive Vice President, Global Head of Human Resources for JPMorgan Chase's Asset & Wealth Management Division from 2015 to 2024.
- From 2014 to 2015, Ms. Tyler served as its Global Firmwide Chief Auditor.
- Prior to that, Ms. Tyler had served as its Global Firmwide Head of Investor Relations from 2009 to 2012.
- Ms. Tyler currently serves on the board of Cencora, Inc., a global pharmaceutical company and Guardian Life, a leading mutual insurance company.
- Ms. Tyler will participate in the Company's standard non-employee director compensation program as described in the Company's proxy statement filed with the SEC on March 27, 2026.
Reported
On May 12, 2026, in connection with the previously announced appointments of Daniel Finke as Group President, Medicaid and Marketplace and Michael Carson as Group President, Medicare and Specialty, the Board of Directors determined that the following individuals are the Company's executive officers: Sarah London, Chief Executive Officer; Drew Asher, Chief Financial Officer; Daniel Finke, Group President, Medicaid and Marketplace; Michael Carson, Group President, Medicare and Specialty; Susan Smith, Chief Operations Officer; Christopher Koster, General Counsel; and Theodore Pienkos, Corporate C
- Tanya McNally continues to serve as the Company's Chief People Officer.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.
