Bryan J Mcmichael
First SEC filing: Sept. 9, 2022 · Latest: June 2, 2026
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 29, 2026 | CHRS | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | D | 30,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | D | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | D | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | D | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | D | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 29, 2026 | CHRS | D | 100,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 22, 2026 | CHRS | A | 112,500 | · | · | 133,736 Direct | +529.76% | Acquired | (price as of 2026-10-02) |
| Jan. 22, 2026 | CHRS | A | 225,000 | · | · | 225,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2026 | CHRS | F | 1,715 | $1.55 | $2,658 | 21,236 Direct | -7.47% | Disposed | -25.2% (price as of 2026-10-02) |
| May 7, 2025 | CHRS | A | 200,000 | · | · | 200,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2025 | CHRS | F | 1,711 | $1.39 | $2,378 | 22,951 Direct | -6.94% | Disposed | -16.5% (price as of 2026-10-02) |
| Jan. 7, 2025 | CHRS | F | 1,711 | $1.57 | $2,686 | 24,662 Direct | -6.49% | Disposed | -26.1% (price as of 2026-10-02) |
| Jan. 3, 2025 | CHRS | A | 160,000 | · | · | 160,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2024 | CHRS | A | 75,000 | · | · | 75,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2024 | CHRS | F | 1,707 | $2.44 | $4,165 | 22,972 Direct | -6.92% | Disposed | -52.5% (price as of 2026-10-02) |
| Jan. 7, 2024 | CHRS | F | 1,707 | $2.87 | $4,899 | 24,679 Direct | -6.47% | Disposed | -59.6% (price as of 2026-10-02) |
| Jan. 2, 2024 | CHRS | A | 125,000 | · | · | 125,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2023 | CHRS | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 27, 2023 | CHRS | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 20, 2023 | CHRS | A | 12,500 | · | · | 26,386 Direct | +90.02% | Acquired | (price as of 2026-10-02) |
| Jan. 7, 2023 | CHRS | F | 1,699 | $9.58 | $16,276 | 13,886 Direct | -10.90% | Disposed | -87.9% (price as of 2026-10-02) |
| Jan. 4, 2023 | CHRS | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 7, 2022 | CHRS | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | · | May 29, 2036 | 30,000 | Acquired |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | · | May 29, 2036 | 25,000 | Acquired |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | · | May 29, 2036 | 25,000 | Acquired |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | · | May 29, 2036 | 15,000 | Acquired |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | · | May 29, 2036 | 25,000 | Acquired |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | · | May 29, 2036 | 100,000 | Acquired |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | $5.44 | June 13, 2033 | 30,000 | Disposed |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | $6.00 | March 27, 2033 | 25,000 | Disposed |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | $9.87 | Jan. 4, 2033 | 25,000 | Disposed |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | $10.78 | Sept. 7, 2032 | 15,000 | Disposed |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | $14.67 | Jan. 7, 2032 | 25,000 | Disposed |
| May 29, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | $14.76 | April 28, 2031 | 100,000 | Disposed |
| Jan. 22, 2026 | CHRS | Stock Option (Right to Buy) | Common Stock | $1.59 | Jan. 22, 2036 | 225,000 | Acquired |
| May 7, 2025 | CHRS | Stock Option (Right to Buy) | Common Stock | $0.95 | May 7, 2035 | 200,000 | Acquired |
| Jan. 3, 2025 | CHRS | Stock Option (Right to Buy) | Common Stock | $1.66 | Jan. 3, 2035 | 160,000 | Acquired |
| Aug. 7, 2024 | CHRS | Stock Option (Right to Buy) | Common Stock | $1.24 | Aug. 7, 2034 | 75,000 | Acquired |
| Jan. 2, 2024 | CHRS | Stock Option (Right to Buy) | Common Stock | $3.14 | Jan. 2, 2034 | 125,000 | Acquired |
| June 13, 2023 | CHRS | Stock Option (Right to Buy) | Common Stock | $5.44 | June 13, 2033 | 30,000 | Acquired |
| March 27, 2023 | CHRS | Stock Option (Right to Buy) | Common Stock | $6.00 | March 27, 2033 | 25,000 | Acquired |
| Jan. 4, 2023 | CHRS | Stock Option (Right to Buy) | Common Stock | $9.87 | Jan. 4, 2033 | 25,000 | Acquired |
| Sept. 7, 2022 | CHRS | Stock Option (Right to Buy) | Common Stock | $10.78 | Sept. 7, 2032 | 15,000 | 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.