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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1785173	89Bio Inc.	ETNB	Pharmaceutical Preparations (2834)	831114349

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1792018	Ryan Martins	C/O 89Bio, Inc. 142 Sansome Street, 2Nd Floor San Francisco CA 94104	Chief Financial Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2023-02-03	3,000	$3.11	38,960	No	4	M	Direct
Common Stock	Disposition	2023-02-03	3,000	$13.11	38,960	No	4	S	Direct
Common Stock	Disposition	2023-02-03	592	$12.70	35,368	No	4	S	Direct
Common Stock	Disposition	2023-02-05	592	$13.24	34,348	No	4	F	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	F	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (Right to Buy)	Disposition	2023-02-03	3,000	$0.00	3,000	$3.11

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
81,901		2029-07-30	No	4	M	Direct

Footnotes

This transaction was executed pursuant to a Rule 10b5-1 trading plan.
Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the release of 2,500 performance stock units on February 5, 2023.
This option represents a right to purchase a total of 94,901 shares of the Issuer's common stock, one quarter of which vested on July 21, 2020, with the remaining three quarters vesting in equal quarterly installments over the following three years.