Christopher Koster
Insider
First SEC filing: Feb. 10, 2020 · Latest: Feb. 10, 2020
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-6,891,182
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 26, 2026 | CNC | S | 56,500 | $66.90 | $3,779,850 | 248,854 Direct | -18.50% | Disposed | -5.8% (price as of 2026-10-02) |
| Aug. 18, 2026 | CNC | S | 47,603 | $65.36 | $3,111,332 | 305,354 Direct | -13.49% | Disposed | -3.6% (price as of 2026-10-02) |
| March 15, 2026 | CNC | F | 9,087 | $34.45 | $313,047 | 352,836 Direct | -2.51% | Disposed | 82.8% (price as of 2026-10-02) |
| Jan. 26, 2026 | CNC | A | 126,925 | · | · | 361,923 Direct | +54.01% | Acquired | (price as of 2026-10-02) |
| Jan. 26, 2026 | CNC | A | 126,925 | · | · | 388,862 Direct | +48.46% | Acquired | (price as of 2026-10-02) |
| March 15, 2025 | CNC | A | 85,925 | · | · | 261,707 Direct | +48.88% | Acquired | (price as of 2026-10-02) |
| March 15, 2025 | CNC | F | 4,039 | $58.19 | $235,029 | 175,782 Direct | -2.25% | Disposed | 8.2% (price as of 2026-10-02) |
| Feb. 4, 2025 | CNC | F | 3,852 | $64.82 | $249,687 | 179,821 Direct | -2.10% | Disposed | -2.8% (price as of 2026-10-02) |
| Feb. 4, 2025 | CNC | D | 10,661 | · | · | 183,630 Direct | -5.49% | Disposed | (price as of 2026-10-02) |
| Dec. 15, 2024 | CNC | F | 2,518 | $59.42 | $149,620 | 194,291 Direct | -1.28% | Disposed | 6.0% (price as of 2026-10-02) |
| June 23, 2024 | CNC | F | 1,987 | $67.93 | $134,977 | 196,734 Direct | -1.00% | Disposed | -7.3% (price as of 2026-10-02) |
| March 15, 2024 | CNC | A | 37,147 | · | · | 198,687 Direct | +23.00% | Acquired | (price as of 2026-10-02) |
| March 15, 2024 | CNC | F | 2,135 | $76.05 | $162,367 | 161,540 Direct | -1.30% | Disposed | -17.2% (price as of 2026-10-02) |
| Feb. 6, 2024 | CNC | F | 13,449 | $74.07 | $996,167 | 163,675 Direct | -7.59% | Disposed | -15.0% (price as of 2026-10-02) |
| Feb. 6, 2024 | CNC | A | 6,336 | · | · | 177,089 Direct | +3.71% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2023 | CNC | F | 4,889 | $75.51 | $369,168 | 170,753 Direct | -2.78% | Disposed | -16.6% (price as of 2026-10-02) |
| June 23, 2023 | CNC | F | 1,994 | $66.80 | $133,199 | 175,523 Direct | -1.12% | Disposed | -5.7% (price as of 2026-10-02) |
| March 15, 2023 | CNC | A | 41,444 | $63.34 | $2,625,063 | 177,517 Direct | +30.46% | Acquired | -0.6% (price as of 2026-10-02) |
| Feb. 7, 2023 | CNC | F | 6,175 | $71.01 | $438,487 | 136,073 Direct | -4.34% | Disposed | -11.3% (price as of 2026-10-02) |
| Feb. 7, 2023 | CNC | A | 324 | · | · | 142,248 Direct | +0.23% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2022 | CNC | F | 4,928 | $83.00 | $409,024 | 141,892 Direct | -3.36% | Disposed | -24.1% (price as of 2026-10-02) |
| Dec. 10, 2022 | CNC | F | 1,340 | $86.25 | $115,575 | 146,820 Direct | -0.90% | Disposed | -27.0% (price as of 2026-10-02) |
| June 23, 2022 | CNC | F | 2,010 | $81.87 | $164,559 | 148,095 Direct | -1.34% | Disposed | -23.1% (price as of 2026-10-02) |
| Dec. 15, 2021 | CNC | A | 15,690 | · | · | 15,690 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2021 | CNC | A | 36,347 | $81.85 | $2,975,002 | 150,042 Direct | +31.97% | Acquired | -23.0% (price as of 2026-10-02) |
| Dec. 15, 2021 | CNC | F | 10,378 | $81.85 | $849,439 | 113,695 Direct | -8.36% | Disposed | -23.0% (price as of 2026-10-02) |
| Dec. 15, 2021 | CNC | A | 5,856 | $66.23 | $387,843 | 124,073 Direct | +4.95% | Acquired | -4.9% (price as of 2026-10-02) |
| Dec. 11, 2021 | CNC | F | 1,194 | $78.45 | $93,669 | 118,217 Direct | -1.00% | Disposed | -19.7% (price as of 2026-10-02) |
| Dec. 10, 2021 | CNC | F | 1,343 | $74.87 | $100,550 | 119,411 Direct | -1.11% | Disposed | -15.9% (price as of 2026-10-02) |
| Oct. 28, 2021 | CNC | S 10b5-1 | 14,300 | $70.17 | $1,003,431 | 120,754 Direct | -10.59% | Disposed | -10.2% (price as of 2026-10-02) |
| June 23, 2021 | CNC | A | 13,500 | $72.20 | $974,700 | 134,976 Direct | +11.11% | Acquired | -12.8% (price as of 2026-10-02) |
| April 27, 2021 | CNC | F | 11,188 | $66.00 | $738,408 | 121,476 Direct | -8.43% | Disposed | -4.6% (price as of 2026-10-02) |
| Dec. 15, 2020 | CNC | A | 40,000 | $59.73 | $2,389,200 | 132,579 Direct | +43.21% | Acquired | 5.5% (price as of 2026-10-02) |
| Dec. 15, 2020 | CNC | F | 7,351 | $59.73 | $439,075 | 92,579 Direct | -7.36% | Disposed | 5.5% (price as of 2026-10-02) |
| Dec. 15, 2020 | CNC | A | 5,746 | $49.85 | $286,438 | 99,930 Direct | +6.10% | Acquired | 26.4% (price as of 2026-10-02) |
| Dec. 12, 2020 | CNC | F | 1,063 | $60.71 | $64,535 | 94,184 Direct | -1.12% | Disposed | 3.8% (price as of 2026-10-02) |
| Dec. 11, 2020 | CNC | F | 1,194 | $61.31 | $73,204 | 95,247 Direct | -1.24% | Disposed | 2.7% (price as of 2026-10-02) |
| Dec. 10, 2020 | CNC | F | 1,343 | $63.45 | $85,213 | 96,441 Direct | -1.37% | Disposed | -0.7% (price as of 2026-10-02) |
| March 6, 2020 | CNC | A | 48 | · | · | 3,016 Direct | +1.62% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2020 | CNC | A | 44 | · | · | 2,967 Direct | +1.51% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2020 | CNC | F | 2,984 | $67.37 | $201,032 | 97,653 Direct | -2.97% | Disposed | -6.5% (price as of 2026-10-02) |
| Feb. 7, 2020 | CNC | A | 45 | $64.35 | $2,896 | 2,923 Direct | +1.56% | Acquired | -2.1% (price as of 2026-10-02) |
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 | $81.85 | Dec. 15, 2031 | 15,690 | Acquired |
| March 6, 2020 | CNC | Phantom Stock | Common Stock | · | March 6, 2020 | 48 | Acquired |
| Feb. 21, 2020 | CNC | Phantom Stock | Common Stock | · | Feb. 21, 2020 | 44 | Acquired |
| Feb. 7, 2020 | CNC | Phantom Stock | Common Stock | · | 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.