Christopher Koster
CIK 1802501 · View on SEC EDGAR ↗
First SEC filing: Feb. 10, 2020 · Latest: Feb. 10, 2020
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 28, 2021 | CNC | S 10b5-1 | 14,300 | $70.17 | $1,003,431 | 120,754 Direct | -10.59% | Disposed | -7.3% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Dec. 15, 2021 | CNC | Common Stock Option (right to buy) | Common Stock (15,690) | $81.85 | Dec. 15, 2031 | 15,690 | Acquired |
| March 6, 2020 | CNC | Phantom Stock | Common Stock (48) | — | March 6, 2020 | 48 | Acquired |
| Feb. 21, 2020 | CNC | Phantom Stock | Common Stock (44) | — | Feb. 21, 2020 | 44 | Acquired |
| Feb. 7, 2020 | CNC | Phantom Stock | Common Stock (45) | — | Feb. 7, 2020 | 45 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $768,269 | — | $5,111,079 | — | — | — | — | $6,508,793 |
| 2024 | $750,000 | — | $2,920,884 | — | — | — | — | $5,063,538 |
| 2023 | $750,000 | — | $2,591,281 | — | — | — | — | $4,844,337 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.