Christopher R Britt
Insider
First SEC filing: June 11, 2025 · Latest: June 11, 2025
Insider at
Insider transactions
0 buys (P)
11 sells (S)
Net: $-27,675,950
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 13, 2026 | CHYM | M | 125,000 | · | · | 360,417 Direct | +53.10% | Acquired | (price as of 2026-10-02) |
| Sept. 13, 2026 | CHYM | M | 125,000 | · | · | 875,000 Direct | -12.50% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2026 | CHYM | C | 200,000 | · | · | 200,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2026 | CHYM | S 10b5-1 | 166,546 | $31.91 | $5,314,483 | 33,454 Indirect | -83.27% | Disposed | -14.6% (price as of 2026-10-02) |
| Sept. 1, 2026 | CHYM | S 10b5-1 | 33,454 | $32.67 | $1,092,942 | 0 Indirect | -100.00% | Disposed | -16.6% (price as of 2026-10-02) |
| Sept. 1, 2026 | CHYM | C | 200,000 | · | · | 14,155,103 Indirect | -1.39% | Disposed | (price as of 2026-10-02) |
| Aug. 28, 2026 | CHYM | C | 88,618 | · | · | 100,000 Indirect | +778.58% | Acquired | (price as of 2026-10-02) |
| Aug. 28, 2026 | CHYM | S 10b5-1 | 11,382 | $34.00 | $386,988 | 88,618 Indirect | -11.38% | Disposed | -19.9% (price as of 2026-10-02) |
| Aug. 28, 2026 | CHYM | S 10b5-1 | 88,618 | $34.03 | $3,015,671 | 0 Indirect | -100.00% | Disposed | -19.9% (price as of 2026-10-02) |
| Aug. 28, 2026 | CHYM | C | 88,618 | · | · | 14,355,103 Indirect | -0.61% | Disposed | (price as of 2026-10-02) |
| Aug. 18, 2026 | CHYM | G | 11,382 | · | · | 235,417 Direct | -4.61% | Disposed | (price as of 2026-10-02) |
| Aug. 18, 2026 | CHYM | G | 11,382 | · | · | 11,382 Indirect | · | Acquired | (price as of 2026-10-02) |
| Aug. 17, 2026 | CHYM | F | 12,160 | $32.02 | $389,363 | 246,799 Direct | -4.70% | Disposed | -14.9% (price as of 2026-10-02) |
| Aug. 10, 2026 | CHYM | C | 150,000 | · | · | 150,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| Aug. 10, 2026 | CHYM | S 10b5-1 | 150,000 | $30.16 | $4,524,000 | 0 Indirect | -100.00% | Disposed | -9.6% (price as of 2026-10-02) |
| Aug. 10, 2026 | CHYM | C | 150,000 | · | · | 14,443,721 Indirect | -1.03% | Disposed | (price as of 2026-10-02) |
| Aug. 7, 2026 | CHYM | C | 83,000 | · | · | 83,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2026 | CHYM | S 10b5-1 | 83,000 | $30.40 | $2,523,200 | 0 Indirect | -100.00% | Disposed | -10.4% (price as of 2026-10-02) |
| Aug. 7, 2026 | CHYM | C | 49,843 | · | · | 117,000 Indirect | +74.22% | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2026 | CHYM | S 10b5-1 | 67,157 | $30.54 | $2,050,975 | 49,843 Indirect | -57.40% | Disposed | -10.8% (price as of 2026-10-02) |
| Aug. 7, 2026 | CHYM | S 10b5-1 | 49,843 | $30.63 | $1,526,691 | 0 Indirect | -100.00% | Disposed | -11.0% (price as of 2026-10-02) |
| Aug. 7, 2026 | CHYM | C | 83,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 7, 2026 | CHYM | C | 49,843 | · | · | 14,593,721 Indirect | -0.34% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2026 | CHYM | C | 200,000 | · | · | 200,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| Aug. 6, 2026 | CHYM | S 10b5-1 | 100,000 | $28.24 | $2,824,000 | 100,000 Indirect | -50.00% | Disposed | -3.5% (price as of 2026-10-02) |
| Aug. 6, 2026 | CHYM | S 10b5-1 | 100,000 | $30.14 | $3,014,000 | 0 Indirect | -100.00% | Disposed | -9.6% (price as of 2026-10-02) |
| Aug. 6, 2026 | CHYM | C | 200,000 | · | · | 83,000 Indirect | -70.67% | Disposed | (price as of 2026-10-02) |
| May 18, 2026 | CHYM | G | 14,372 | · | · | 258,959 Direct | -5.26% | Disposed | (price as of 2026-10-02) |
| May 18, 2026 | CHYM | G | 14,372 | · | · | 67,157 Indirect | +27.23% | Acquired | (price as of 2026-10-02) |
| May 15, 2026 | CHYM | F | 9,170 | $17.88 | $163,960 | 273,331 Direct | -3.25% | Disposed | 52.4% (price as of 2026-10-02) |
| March 12, 2026 | CHYM | A | 900,563 | · | · | 900,563 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2026 | CHYM | G | 14,047 | · | · | 282,501 Direct | -4.74% | Disposed | (price as of 2026-10-02) |
| Feb. 18, 2026 | CHYM | G | 14,047 | · | · | 52,785 Indirect | +36.26% | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2026 | CHYM | F | 9,494 | $19.69 | $186,937 | 296,548 Direct | -3.10% | Disposed | 38.4% (price as of 2026-10-02) |
| Jan. 9, 2026 | CHYM | C | 50,000 | · | · | 50,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2026 | CHYM | S 10b5-1 | 50,000 | $28.06 | $1,403,000 | 0 Indirect | -100.00% | Disposed | -2.9% (price as of 2026-10-02) |
| Jan. 9, 2026 | CHYM | C | 50,000 | · | · | 283,000 Indirect | -15.02% | Disposed | (price as of 2026-10-02) |
| Nov. 21, 2025 | CHYM | G | 38,738 | · | · | 306,042 Direct | -11.24% | Disposed | (price as of 2026-10-02) |
| Nov. 21, 2025 | CHYM | G | 38,738 | · | · | 38,738 Indirect | · | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2025 | CHYM | F | 12,678 | $18.43 | $233,656 | 344,780 Direct | -3.55% | Disposed | 47.9% (price as of 2026-10-02) |
| Sept. 8, 2025 | CHYM | F | 10,778 | $24.34 | $262,337 | 357,458 Direct | -2.93% | Disposed | 12.0% (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 368,236 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 14,643,564 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 500,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 500,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 466,599 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 466,599 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 333,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 368,236 | · | · | 368,236 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 14,643,564 | · | · | 14,643,564 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 500,000 | · | · | 500,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 500,000 | · | · | 500,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 466,599 | · | · | 466,599 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 466,599 | · | · | 466,599 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 333,000 | · | · | 333,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 15,110 | · | · | 353,126 Direct | -4.10% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 14,643,564 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 500,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 500,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 466,599 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 466,599 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 333,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 15,110 | · | · | 15,110 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 14,643,564 | · | · | 14,643,564 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 500,000 | · | · | 500,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 500,000 | · | · | 500,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 466,599 | · | · | 466,599 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 466,599 | · | · | 466,599 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 333,000 | · | · | 333,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 2,628,665 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 2,628,665 | · | · | 2,628,665 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 900,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 700,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 700,000 | · | · | 700,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 200,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 200,000 | · | · | 200,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 1,000,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 1,000,000 | · | · | 1,000,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 12, 2025 | CHYM | F | 8,431 | $27.00 | $227,637 | 368,236 Direct | -2.24% | Disposed | 0.9% (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 |
|---|---|---|---|---|---|---|---|
| Sept. 13, 2026 | CHYM | Performance Stock Units | Class A Common Stock | · | · | 125,000 | Disposed |
| Sept. 1, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 200,000 | Disposed |
| Aug. 28, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 88,618 | Disposed |
| Aug. 10, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 150,000 | Disposed |
| Aug. 7, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 83,000 | Disposed |
| Aug. 7, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 49,843 | Disposed |
| Aug. 6, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 200,000 | Disposed |
| March 12, 2026 | CHYM | Employee Stock Option (Right to buy) | Class A Common Stock | $21.62 | March 11, 2036 | 900,563 | Acquired |
| Jan. 9, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 50,000 | Disposed |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 15,110 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 14,643,564 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 500,000 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 500,000 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 466,599 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 466,599 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 333,000 | Acquired |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Common Stock | $7.67 | Jan. 27, 2030 | 2,628,665 | Disposed |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Class A Common Stock | $7.67 | Jan. 27, 2030 | 2,628,665 | Acquired |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Common Stock | $13.89 | March 28, 2033 | 900,000 | Disposed |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Class A Common Stock | $13.89 | March 28, 2033 | 900,000 | Acquired |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Common Stock | $17.35 | March 29, 2034 | 700,000 | Disposed |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Class A Common Stock | $17.35 | March 29, 2034 | 700,000 | Acquired |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy | Common Stock | $17.35 | March 29, 2034 | 200,000 | Disposed |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Class A Common Stock | $17.35 | March 29, 2034 | 200,000 | Acquired |
| June 13, 2025 | CHYM | Performance Stock Units | Common Stock | · | · | 1,000,000 | Disposed |
| June 13, 2025 | CHYM | Performance Stock Units | Class A Common Stock | · | · | 1,000,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 12 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 11, 2025 | CHYM | Common Stock [F1] | · | Direct |
| June 11, 2025 | CHYM | Common Stock [F1] | 14,643,564 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 500,000 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 500,000 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 466,599 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 466,599 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 333,000 | Indirect |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy) | 2,628,665 | Direct |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy) | 900,000 | Direct |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy) | 700,000 | Direct |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy) | 200,000 | Direct |
| June 11, 2025 | CHYM | Performance Stock Units | 1,000,000 | Direct |