Ryan Martins - 01 Feb 2024 Form 4 Insider Report for 89bio, Inc. (ETNB)

Role: Chief Financial Officer
Signature: /s/ Ryan A. Murr, as attorney-in-fact for Ryan Martins
Issuer symbol: ETNB
Transactions as of: 01 Feb 2024
Net transactions value: -$8,742
Form type: 4
Filing time: 05 Feb 2024, 20:07:58 UTC
Previous filing: 08 Jan 2024
Next filing: 13 Feb 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ETNB	Common Stock	Award	$0	+48,750	+77%	$0.000000	111,847	01 Feb 2024	Direct	F1
transaction	ETNB	Common Stock	Tax liability	$8,742	-892	-0.8%	$9.80	110,955	05 Feb 2024	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	+175,000		$0.000000	175,000	01 Feb 2024	Common Stock	175,000	$9.98	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 in equal semi-annual installments over three years, subject to the Reporting Person's continued service to the Issuer.
F2	These shares were withheld from the vesting of a performance-based RSU award to cover the estimated tax withholding obligation.
F3	This option represents a right to purchase a total of 175,000 shares of the Issuer's Common Stock, one quarter of which will vest on February 1, 2025, 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.