Ryan A King
Insider
First SEC filing: June 11, 2025 · Latest: June 11, 2025
Insider at
Insider transactions
0 buys (P)
4 sells (S)
Net: $-12,841,985
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 | 75,000 | · | · | 191,667 Direct | +64.29% | Acquired | (price as of 2026-10-02) |
| Sept. 13, 2026 | CHYM | M | 75,000 | · | · | 525,000 Direct | -12.50% | Disposed | (price as of 2026-10-02) |
| Sept. 9, 2026 | CHYM | C | 34,941 | · | · | 42,421 Indirect | +467.13% | Acquired | (price as of 2026-10-02) |
| Sept. 9, 2026 | CHYM | S 10b5-1 | 42,421 | $35.15 | $1,491,098 | 0 Indirect | -100.00% | Disposed | -22.5% (price as of 2026-10-02) |
| Sept. 9, 2026 | CHYM | C | 34,941 | · | · | 11,810,900 Indirect | -0.29% | Disposed | (price as of 2026-10-02) |
| Aug. 18, 2026 | CHYM | G | 7,480 | · | · | 116,667 Direct | -6.03% | Disposed | (price as of 2026-10-02) |
| Aug. 18, 2026 | CHYM | G | 7,480 | · | · | 7,480 Indirect | · | Acquired | (price as of 2026-10-02) |
| Aug. 17, 2026 | CHYM | F | 4,187 | $32.02 | $134,068 | 124,147 Direct | -3.26% | Disposed | -14.9% (price as of 2026-10-02) |
| Aug. 6, 2026 | CHYM | C | 337,898 | · | · | 375,000 Indirect | +910.73% | Acquired | (price as of 2026-10-02) |
| Aug. 6, 2026 | CHYM | S 10b5-1 | 37,102 | $29.00 | $1,075,958 | 337,898 Indirect | -9.89% | Disposed | -6.0% (price as of 2026-10-02) |
| Aug. 6, 2026 | CHYM | S 10b5-1 | 112,898 | $29.03 | $3,277,429 | 225,000 Indirect | -33.41% | Disposed | -6.1% (price as of 2026-10-02) |
| Aug. 6, 2026 | CHYM | S 10b5-1 | 225,000 | $31.10 | $6,997,500 | 0 Indirect | -100.00% | Disposed | -12.4% (price as of 2026-10-02) |
| Aug. 6, 2026 | CHYM | C | 337,898 | · | · | 11,845,841 Indirect | -2.77% | Disposed | (price as of 2026-10-02) |
| May 18, 2026 | CHYM | G | 7,480 | · | · | 128,334 Direct | -5.51% | Disposed | (price as of 2026-10-02) |
| May 18, 2026 | CHYM | G | 7,480 | · | · | 37,102 Indirect | +25.25% | Acquired | (price as of 2026-10-02) |
| May 15, 2026 | CHYM | F | 4,187 | $17.88 | $74,864 | 135,814 Direct | -2.99% | Disposed | 52.4% (price as of 2026-10-02) |
| May 11, 2026 | CHYM | C | 87,700 | · | · | 0 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 11, 2026 | CHYM | C | 87,700 | · | · | 0 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 11, 2026 | CHYM | C | 87,700 | · | · | 0 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 11, 2026 | CHYM | C | 303,930 | · | · | 0 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 11, 2026 | CHYM | C | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2026 | CHYM | C | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2026 | CHYM | C | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2026 | CHYM | C | 303,930 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| March 12, 2026 | CHYM | A | 450,282 | · | · | 450,282 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2026 | CHYM | G | 7,147 | · | · | 140,001 Direct | -4.86% | Disposed | (price as of 2026-10-02) |
| Feb. 18, 2026 | CHYM | G | 7,147 | · | · | 29,622 Indirect | +31.80% | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2026 | CHYM | F | 4,519 | $19.69 | $88,979 | 147,148 Direct | -2.98% | Disposed | 38.4% (price as of 2026-10-02) |
| Nov. 21, 2025 | CHYM | G | 22,475 | · | · | 151,667 Direct | -12.91% | Disposed | (price as of 2026-10-02) |
| Nov. 21, 2025 | CHYM | G | 22,475 | · | · | 22,475 Indirect | · | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2025 | CHYM | F | 4,175 | $18.43 | $76,945 | 174,142 Direct | -2.34% | Disposed | 47.9% (price as of 2026-10-02) |
| Sept. 8, 2025 | CHYM | F | 4,175 | $24.34 | $101,620 | 178,317 Direct | -2.29% | Disposed | 12.0% (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 43,850 | · | · | 43,850 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 21,899 | · | · | 175,001 Direct | -11.12% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 12,183,739 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 196,900 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 12,183,739 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 303,930 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 225,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 43,850 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 196,900 | · | · | 196,900 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 12,183,739 | · | · | 12,183,739 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 900,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 900,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 303,930 | · | · | 303,930 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 225,000 | · | · | 225,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 21,899 | · | · | 21,899 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 12,183,739 | · | · | 12,183,739 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 900,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 900,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 303,930 | · | · | 303,930 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 225,000 | · | · | 225,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 87,700 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 43,850 | · | · | 43,850 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 2,367,925 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 2,367,925 | · | · | 2,367,925 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 885,602 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 885,602 | · | · | 885,602 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 | 600,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 600,000 | · | · | 600,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 900,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 303,930 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 225,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 13, 2025 | CHYM | J | 87,700 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 12, 2025 | CHYM | F | 4,175 | $27.00 | $112,725 | 196,900 Direct | -2.08% | Disposed | 0.9% (price as of 2026-10-02) |
Showing latest 100 of 103 transactions
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 | · | · | 75,000 | Disposed |
| Sept. 9, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 34,941 | Disposed |
| Aug. 6, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 337,898 | Disposed |
| May 11, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Disposed |
| May 11, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Disposed |
| May 11, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Disposed |
| May 11, 2026 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 303,930 | Disposed |
| March 12, 2026 | CHYM | Employee Stock Option (Right to buy) | Class A Common Stock | $21.62 | March 11, 2036 | 450,282 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 21,899 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 12,183,739 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 900,000 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 900,000 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 303,930 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 225,000 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 87,700 | Acquired |
| June 13, 2025 | CHYM | Class B Common Stock | Class A Common Stock | · | · | 43,850 | Acquired |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Common Stock | $7.67 | Jan. 27, 2030 | 2,367,925 | Disposed |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Class A Common Stock | $7.67 | Jan. 27, 2030 | 2,367,925 | Acquired |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Common Stock | $13.89 | March 28, 2033 | 885,602 | Disposed |
| June 13, 2025 | CHYM | Employee Stock Option (Right to Buy) | Class A Common Stock | $13.89 | March 28, 2033 | 885,602 | 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 | · | · | 600,000 | Disposed |
| June 13, 2025 | CHYM | Performance Stock Units | Class A Common Stock | · | · | 600,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 20 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] | 12,183,739 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 900,000 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 900,000 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 303,930 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 225,000 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 87,700 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 87,700 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 87,700 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 87,700 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 87,700 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 87,700 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 87,700 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 87,700 | Indirect |
| June 11, 2025 | CHYM | Common Stock [F1] | 43,850 | Indirect |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy) | 2,367,925 | Direct |
| June 11, 2025 | CHYM | Employee Stock Option (Right to Buy) | 885,602 | 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 | 600,000 | Direct |