Grant E. Blouse - 12 Jul 2021 Form 3 Insider Report for CATALYST BIOSCIENCES, INC. (GYRE)

Role: Chief Scientific Officer
Signature: /s/ Faisal Shawwa Attorney-in-Fact for Grant E. Blouse
Issuer symbol: GYRE
Transactions as of: 12 Jul 2021
Net transactions value: $0
Form type: 3
Filing time: 15 Jul 2021, 17:14:09 UTC
Next filing: 11 Aug 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	CBIO	Common Stock						1,754	12 Jul 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	CBIO	Stock Option (Right to Buy)							12 Jul 2021	Common Stock	30,000	$12.21	Direct	F2
holding	CBIO	Stock Option (Right to Buy)							12 Jul 2021	Common Stock	10,000	$9.68	Direct	F3
holding	CBIO	Stock Option (Right to Buy)							12 Jul 2021	Common Stock	18,000	$7.97	Direct	F4
holding	CBIO	Stock Option (Right to Buy)							12 Jul 2021	Common Stock	35,000	$6.85	Direct	F5
holding	CBIO	Stock Option (Right to Buy)							12 Jul 2021	Common Stock	38,500	$5.89	Direct	F6
holding	CBIO	Stock Option (Right to Buy)							12 Jul 2021	Common Stock	25,000	$4.33	Direct	F7

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes shares purchased under the Issuer's 2018 Employee Stock Purchase Plan on various dates between February 11, 2019 and February 9, 2021.
F2	25% of the shares subject to the option vested on the one-year anniversary of the vesting commencement date of July 2, 2018, and 1/48 of the shares subject to the option vested or will vest on each monthly anniversary of the vesting commencement date thereafter.
F3	25% of the shares subject to the option vested on the one-year anniversary of the vesting commencement date of July 1, 2018, and 1/48 of the shares subject to the option vested or will vest on each monthly anniversary of the vesting commencement date thereafter.
F4	The option vested or will vest over a four (4) year period on each monthly anniversary of the vesting commencement date of January 24, 2019.
F5	The option vested or will vest over a four (4) year period on each monthly anniversary of the vesting commencement date of January 23, 2020.
F6	25% of the shares subject to the option will vest on the one-year anniversary of the vesting commencement date of February 8, 2021, and 1/48 of the shares subject to the option will vest on each monthly anniversary of the vesting commencement date thereafter.
F7	25% of the shares subject to the option will vest on the one-year anniversary of the vesting commencement date of June 16, 2021, and 1/48 of the shares subject to the option will vest on each monthly anniversary of the vesting commencement date thereafter.