Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 11 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

11 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 15, 2021 CHRS S 3,507 $16.80 $58,918 31,611 Direct -9.99% Disposed -93.1% (price as of 2026-10-02)
June 9, 2021 CHRS P 3,700 $13.42 $49,654 35,118 Direct +11.78% Acquired -91.4% (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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 13, 2023 CHRS Stock Option (Right to Buy) Common Stock (70,000) $5.44 June 13, 2033 70,000 Acquired
Jan. 4, 2023 CHRS Stock Option (Right to Buy) Common Stock (80,000) $9.87 Jan. 4, 2033 80,000 Acquired
Jan. 4, 2022 CHRS Stock Option (Right to Buy) Common Stock (80,000) $15.94 Jan. 4, 2032 80,000 Acquired
April 28, 2021 CHRS Stock Option (Right to Buy) Common Stock (50,000) $14.76 April 28, 2031 50,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
March 16, 2021 CHRS Common Stock · Direct
March 16, 2021 CHRS Stock Option (Right to Buy)→ Common Stock (150,000) 150,000 Direct