Rohan Palekar - Jun 5, 2023 Form 4 Insider Report for 89bio, Inc. (ETNB)

Role: Chief Executive Officer, Director
Signature: /s/ Ryan A. Murr, as attorney-in-fact for Rohan Palekar
Stock symbol: ETNB
Transactions as of: Jun 5, 2023
Transactions value $: -$271,050
Form type: 4
Date filed: 6/7/2023, 05:04 PM
Previous filing: Apr 4, 2023
Next filing: Jun 9, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ETNB	Common Stock	Options Exercise	$29K	+15K	+5.23%	$1.93^*	302K	Jun 5, 2023	Direct	F1
transaction	ETNB	Common Stock	Sale	-$300K	-15K	-4.97%	$20.00	287K	Jun 5, 2023	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)	Options Exercise	$0	-15K	-7.14%	$0.00	195K	Jun 5, 2023	Common Stock	15K	$1.93	Direct	F3, F4

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

Explanation of Responses:

Id	Content
F1	Includes an aggregate of 8 shares acquired by the Reporting Person under the Issuer's 2019 Employee Stock Purchase Plan on December 30, 2022.
F2	This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on November 15, 2022.
F3	This option is vested in full.
F4	Due to an administrative error, the exercise of an aggregate of 15,000 options was erroneously omitted from the Form 4 filed by the Reporting Person on March 27, 2023. This form reflects the correct amount of stock options owned by the Reporting Person.