LYTIR

Company · CNC

Centene Corporation

Name as listed on its exchange; filed with the SEC as CENTENE CORP.

Nasdaq's symbol directory lists CNC on the New York Stock Exchange as “Centene Corporation Common Stock”.

In the 12 months to Nov 8, 2026: insiders sold on 3 occasions ($12.1M); 4 planned-sale notices; 7 company reports (Form 8-K, since May 26, 2026).

All insider filings at the SEC · Appeared in No. 3

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $12.1M in total.Jun: Insider sales $5.2MAug: Insider sales $6.9MDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $12.1M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. KOSTER CHRISTOPHER, Secretary & General Counsel sold on 2 days latest Aug 26, 2026 sold $6.9M
  2. Burdick Kenneth A sold on 1 day latest Jun 10, 2026 sold $5.2M
Every trade (3)
  1. SELLKOSTER CHRISTOPHER, Secretary & General Counsel sold Aug 26, 2026 56,500 shares filing $3.8M
  2. SELLKOSTER CHRISTOPHER, Secretary & General Counsel sold Aug 18, 2026 47,603 shares filing $3.1M
  3. SELLBurdick Kenneth A sold Jun 10, 2026 80,000 shares filing $5.2M

Planned sales · SEC Form 144

Notice given

A Form 144 is filed before an insider sells restricted stock. It states an intent; the sale, if it happens, appears later on a Form 4. Every recent notice

  1. KOSTER CHRISTOPHER filed Aug 26, 2026 Officer 56,500 shares planned sale date 08/26/2026 filing $3.8M
  2. Burdick Kenneth A filed Aug 26, 2026 Former Director 43,600 shares planned sale date 08/26/2026 filing $2.8M
  3. KOSTER CHRISTOPHER filed Aug 18, 2026 Officer 47,603 shares planned sale date 08/18/2026 filing $3.1M
  4. Burdick Kenneth A filed Aug 5, 2026 Former Director 100,000 shares planned sale date 08/05/2026 filing $6.8M

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

  1. Results of operations and financial condition filing Oct 27, 2026
  2. Other events filing Oct 8, 2026
  3. Regulation FD disclosure filing Sep 16, 2026
  4. Departure or appointment of directors or officers; Regulation FD disclosure filing Aug 17, 2026
  5. Other events filing Jul 29, 2026
  6. Results of operations and financial condition; Departure or appointment of directors or officers; Regulation FD disclosure filing Jul 28, 2026
  7. Departure or appointment of directors or officers; Regulation FD disclosure filing Jun 22, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.