Insider at

04

Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 22 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

22 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Nov. 13, 2015 CHRS S 4,012 $27.93 $112,055 63,836 Direct -5.91% Disposed -96.0% (price as of 2026-10-05)
Nov. 13, 2015 CHRS S 7,988 $27.38 $218,711 67,848 Direct -10.53% Disposed -95.9% (price as of 2026-10-05)
Nov. 12, 2015 CHRS S 3,000 $27.23 $81,690 75,836 Direct -3.81% Disposed -95.9% (price as of 2026-10-05)

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 17, 2026 CDXS Stock Option (Right to Buy) Common Stock (66,350) $2.48 June 17, 2036 66,350 Acquired
Jan. 10, 2020 CHRS Stock Option (Right to Buy) Common Stock (20,000) $17.73 Jan. 10, 2030 20,000 Acquired
Jan. 11, 2019 CHRS Stock Option (Right to Buy) Common Stock (20,000) $12.37 Jan. 11, 2029 20,000 Acquired
Feb. 1, 2018 CHRS Stock Option (Right to Buy) Common Stock (20,000) $10.05 Feb. 1, 2028 20,000 Acquired
May 17, 2017 CHRS Stock Option (Right to Buy) Common Stock (20,000) $23.80 May 17, 2027 20,000 Acquired
May 24, 2016 CHRS Stock Option (Right to Buy) Common Stock (10,000) $18.28 May 24, 2026 10,000 Acquired
April 1, 2015 CHRS Stock Option (Right to Buy) Common Stock (20,000) $29.00 March 31, 2025 20,000 Acquired
April 1, 2015 CHRS Stock Option (Right to Buy) Common Stock (20,000) $29.00 March 31, 2025 20,000 Acquired
Nov. 12, 2014 CHRS Series C Preferred Stock Common Stock (2,624) · · 2,624 Disposed
Nov. 12, 2014 CHRS Series B Preferred Stock Common Stock (12,672) · · 12,672 Disposed
Nov. 12, 2014 CHRS Series A Preferred Stock Common Stock (39,991) · · 39,991 Disposed
Nov. 12, 2014 CHRS Series B Preferred Stock Common Stock (1) · · 1 Disposed
Nov. 12, 2014 CHRS Series B Preferred Stock Common Stock (429) · · 429 Acquired
Nov. 12, 2014 CHRS Warrant to Purchase Series B Preferred Stock Series B Preferred Stock (429) $0.02 · 429 Disposed
Nov. 12, 2014 CHRS Warrant to Purchase Common Stock Common Stock (26,505) $1.67 · 26,505 Disposed

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

Initial ownership (Form 3) 7 holdings

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

DateTickerSecuritySharesOwnership
Nov. 6, 2014 CHRS Series A Preferred Stock→ Common Stock (39,991) 39,991 Direct
Nov. 6, 2014 CHRS Series B Preferred Stock→ Common Stock (12,244) 12,244 Direct
Nov. 6, 2014 CHRS Series C Preferred Stock→ Common Stock (2,624) 2,624 Direct
Nov. 6, 2014 CHRS Warrant to Purchase Series B Preferred Stock→ Series B Preferred Stock (429) 429 Direct
Nov. 6, 2014 CHRS Warrant to Purchase Common Stock→ Common Stock (26,505) 26,505 Direct
Nov. 6, 2014 CHRS Stock Option (Right to Buy)→ Common Stock (29,994) 29,994 Direct
Nov. 6, 2014 CHRS Stock Option (Right to Buy)→ Common Stock (14,997) 14,997 Direct