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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1785173	89Bio Inc.	ETNB	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1352908	R Michael Hayden	C/O 89Bio, Inc. 142 Sansome Street, 2Nd Floor San Francisco CA 94104		No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2022-03-30	6,250	$3.62	83,978	No	4	P	Indirect	See footnote
Common Stock	Acquisiton	2022-04-07	10,000	$3.48	93,978	No	4	P	Indirect	See footnote
Common Stock	Acquisiton	2022-04-25	10,000	$2.67	103,978	No	4	P	Indirect	See footnote
Common Stock	Acquisiton	2023-03-28	61,538	$16.15	61,538	No	4	P	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	See footnote
No	4	P	Indirect	See footnote
No	4	P	Indirect	See footnote
No	4	P	Indirect	See footnote

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	80,904	Direct

Footnotes

These shares are held directly by Genworks 2 Consulting Inc., over which the Reporting Person's wife has sole voting and investment power.
This transaction was executed in multiple trades at prices ranging from $2.6499 to $2.699. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.
These shares are held directly by The Hayden Family Trust, over which the Reporting Person's wife has sole voting and investment power.