CNC insider buying and SEC filings, explained
Centene Corp. · CIK 1071739
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$14.6M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 26, 2026 | Sale | Christopher Koster (Secretary & General Counsel) sold 56,500 shares at about $66.90 ($3.8M). Holdings down 19% to 248,854 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 27, 2026 |
| Aug 18, 2026 | Sale | Christopher Koster (Secretary & General Counsel) sold 47,603 shares at about $65.36 ($3.1M). Holdings down 13% to 305,354 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Jun 10, 2026 | Sale | Kenneth A Burdick (Director) sold 80,000 shares at about $64.55 ($5.2M). Holdings down 29% to 197,086 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 11, 2026 |
| Dec 3–4, 2025 | Sale | Kenneth A Burdick (Director) sold 66,007 shares between Dec 3, 2025 and Dec 4, 2025 at about $39.02 ($2.6M). Holdings down 20% to 272,365 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 5, 2025 |
48 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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