Francis Willard Sarena - 01 Aug 2025 Form 4 Insider Report for 89bio, Inc. (ETNB)

Role
Chief Operating Officer
Signature
/s/ Ryan A. Murr, as attorney-in-fact for Francis Willard Sarena
Issuer symbol
ETNB
Transactions as of
01 Aug 2025
Net transactions value
-$58,233
Form type
4
Filing time
05 Aug 2025, 20:10:57 UTC
Previous filing
04 Feb 2025
Next filing
30 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Sarena Francis Willard Chief Operating Officer C/O 89BIO, INC., 655 MONTGOMERY STREET, SUITE 1500, SAN FRANCISCO /s/ Ryan A. Murr, as attorney-in-fact for Francis Willard Sarena 05 Aug 2025 0001423786

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ETNB Common Stock Tax liability $29,367 -3,206 -4% $9.16 77,210 01 Aug 2025 Direct F1, F2
transaction ETNB Common Stock Tax liability $28,867 -2,979 -3.9% $9.69 74,231 05 Aug 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares were withheld from the vesting of restricted stock units to cover the estimated tax withholding obligation.
F2 Includes an aggregate of 1,666 shares acquired by the Reporting Person under the Issuer's 2019 Employee Stock Purchase Plan on June 30, 2025.