Ryan Martins - Feb 17, 2022 Form 4 Insider Report for 89bio, Inc. (ETNB)

Role: Chief Financial Officer
Signature: /s/ Ryan A. Murr, as attorney-in-fact for Ryan Martins
Stock symbol: ETNB
Transactions as of: Feb 17, 2022
Transactions value $: $0
Form type: 4
Date filed: 2/22/2022, 04:11 PM
Previous filing: Apr 13, 2022
Next filing: Sep 13, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ETNB	Common Stock	Award	$0	+13K	+173.33%	$0.00	20.5K	Feb 17, 2022	Direct	F1
transaction	ETNB	Common Stock	Award	$0	+3K	+14.63%	$0.00	23.5K	Feb 17, 2022	Direct	F2

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
transaction	ETNB	Stock Option (Right to Buy)	Award	$0	+52K		$0.00	52K	Feb 17, 2022	Common Stock	52K	$4.44	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Represents restricted stock units ("RSUs") that vest with respect to one-third of the underlying shares on February 17, 2023, with the remaining two-thirds vesting in equal semi-annual installments over the following two years, subject to the Reporting Person's continued service to the Issuer.
F2	Represents RSUs that vest in equal installments on each of August 1, 2022, February 1, 2023 and August 1, 2023.
F3	This option represents a right to purchase a total of 52,000 shares of the Issuer's Common Stock, one quarter of which will vest on February 17, 2023, with the remaining three quarters vesting in equal quarterly installments over the following three years, subject to the Reporting Person's continued service to the Issuer.