Lanfear Dennis M

Insider President & CEO · REDWOOD CITY

CIK 0001420822

Recent transactions

The 50 most recently reported Form 4/5 transactions, newest first. Form 3 establishes initial ownership. Position snapshots are excluded — they report the whole stake, not a trade.

Stock	Type	Security	Shares	Price	Value	Date
CHRS	Other	Stock Option (Right to Buy)	402,500	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	125,000	$0.00	$0	May 29, 2026
CHRS	Other	Stock Option (Right to Buy)	200,000	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	400,000	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	500,000	$0.00	$0	May 29, 2026
CHRS	Other	Stock Option (Right to Buy)	400,000	$0.00	$0	May 29, 2026
CHRS	Other	Stock Option (Right to Buy)	500,000	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	500,000	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	402,500	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	450,000	$0.00	$0	May 29, 2026
CHRS	Other	Stock Option (Right to Buy)	500,000	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	402,500	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	200,000	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	225,000	$0.00	$0	May 29, 2026
CHRS	Other	Stock Option (Right to Buy)	225,000	$0.00	$0	May 29, 2026
CHRS	Other	Stock Option (Right to Buy)	402,500	$0.00	$0	May 29, 2026
CHRS	Other	Stock Option (Right to Buy)	125,000	$0.00	$0	May 29, 2026
CHRS	Other	Stock Option (Right to Buy)	450,000	$0.00	$0	May 29, 2026
CHRS	Award	Stock Option (Right to Buy)	750,000	$0.00	$0	Jan 23, 2026
CHRS	Award	Common Stock	375,000	$0.00	$0	Jan 23, 2026
CHRS	TaxPayment	Common Stock	11,839	$1.55	$18,350	Jan 20, 2026
CHRS	Award	Stock Option (Right to Buy)	375,000	$0.00	$0	May 07, 2025
CHRS	TaxPayment	Common Stock	11,810	$1.39	$16,416	Jan 20, 2025
CHRS	Award	Stock Option (Right to Buy)	575,000	$0.00	$0	Jan 10, 2025
CHRS	TaxPayment	Common Stock	11,810	$1.66	$19,605	Jan 04, 2025
CHRS	Award	Stock Option (Right to Buy)	196,500	$0.00	$0	Jul 22, 2024
CHRS	TaxPayment	Common Stock	11,218	$2.44	$27,372	Jan 20, 2024
CHRS	Award	Stock Option (Right to Buy)	575,000	$0.00	$0	Jan 05, 2024
CHRS	TaxPayment	Common Stock	11,781	$2.92	$34,401	Jan 04, 2024
CHRS	Conversion	Stock Option (Right to Buy)	299,940	$0.00	$0	Nov 22, 2023
CHRS	Sale	Common Stock	223,100	$2.02	$449,770	Nov 22, 2023
CHRS	Conversion	Common Stock	41,000	$1.42	$58,097	Nov 22, 2023
CHRS	Conversion	Common Stock	258,940	$1.42	$366,918	Nov 22, 2023
CHRS	Award	Stock Option (Right to Buy)	225,000	$0.00	$0	Jun 13, 2023
CHRS	Award	Common Stock	86,250	$0.00	$0	Jan 20, 2023
CHRS	Award	Stock Option (Right to Buy)	402,500	$0.00	$0	Jan 05, 2023
CHRS	TaxPayment	Common Stock	10,905	$9.87	$107,632	Jan 04, 2023
CHRS	Gift	Common Stock	4,000	$0.00	$0	Dec 30, 2022
CHRS	Award	Common Stock	86,250	$0.00	$0	Jan 04, 2022
CHRS	Award	Stock Option (Right to Buy)	402,500	$0.00	$0	Jan 04, 2022
CHRS	Gift	Common Stock	10,000	$0.00	$0	Nov 17, 2021
CHRS	Sale	Common Stock	31,054	$13.56	$421,229	Jun 08, 2021
CHRS	Conversion	Common Stock	31,054	$0.42	$12,943	Jun 08, 2021
CHRS	Conversion	Stock Option (Right to Buy)	31,054	$0.00	$0	Jun 08, 2021
CHRS	Conversion	Common Stock	300,000	$0.42	$125,040	Jun 06, 2021
CHRS	Conversion	Stock Option (Right to Buy)	300,000	$0.00	$0	Jun 06, 2021
CHRS	Award	Stock Option (Right to Buy)	125,000	$0.00	$0	Feb 01, 2021
CHRS	Award	Stock Option (Right to Buy)	500,000	$0.00	$0	Jan 23, 2021
CHRS	Conversion	Stock Option (Right to Buy)	29,994	$0.00	$0	Jul 01, 2020
CHRS	Conversion	Common Stock, $0.0001 par value	29,994	$0.01	$249	Jul 01, 2020