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Filing Details

Accession Number:: 0001104659-21-074404
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-05-28 18:41:54
Reporting Period:: 2021-05-26

Accepted Time:: 2021-05-28 18:41:54
SEC Url:: Form 4 Filing

Issuer

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

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1315082	Ra Capital Healthcare Fund Lp	C/O Ra Capital Management, L.p. 200 Berkeley Street, 18Th Floor Boston MA 02116	Yes	No	Yes	No
1346824	Ra Capital Management, L.p.	200 Berkeley Street, 18Th Floor Boston MA 02116	Yes	No	Yes	No
1384859	Peter Kolchinsky	C/O Ra Capital Management, L.p. 200 Berkeley Street, 18Th Floor Boston MA 02116	Yes	No	Yes	No
1619841	M. Rajeev Shah	C/O Ra Capital Management, L.p. 200 Berkeley Street, 18Th Floor Boston MA 02116	Yes	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2021-05-26	48,377	$18.03	4,784,591	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2021-05-27	35,535	$18.76	4,820,126	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2021-05-28	123,505	$18.77	4,943,631	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

Footnotes

This transaction was executed in multiple trades at prices ranging from $17.78 to $18.37; the price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which these transactions, and all other transactions reported in this Form 4, were effected upon request to the SEC staff, the issuer, or a security holder of the issuer.
These securities include 4,449,227 shares held directly by RA Capital Healthcare Fund, L.P. (the "Fund") and 335,364 shares held by RA Capital Nexus Fund, L.P. ("the Nexus Fund").
This transaction was executed in multiple trades at prices ranging from $ 18.21 to $ 18.82; the price reported above reflects the weighted average purchase price.
These securities include 4,484,762 shares held directly by the Fund and 335,364 shares held by the Nexus Fund.
This transaction was executed in multiple trades at prices ranging from $17.99 to $18.95; the price reported above reflects the weighted average purchase price.
These securities include 4,608,267 shares held directly by the Fund and 335,364 shares held by the Nexus Fund.
RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund and the Nexus Fund. The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.