Quoc Le-Nguyen - May 9, 2023 Form 4 Insider Report for 89bio, Inc. (ETNB)

Role
Chief Technical Operations Officer and Head of Quality
Signature
/s/ Ryan A. Murr, as attorney-in-fact for Quoc Le-Nguyen
Stock symbol
ETNB
Transactions as of
May 9, 2023
Transactions value $
-$333
Form type
4
Date filed
5/11/2023, 05:01 PM
Previous filing
Apr 4, 2023
Next filing
Jul 5, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ETNB Common Stock Options Exercise $190K +60.9K +61.51% $3.11* 160K May 9, 2023 Direct
transaction ETNB Common Stock Options Exercise $57.9K +18.6K +11.64% $3.11* 179K May 9, 2023 Direct
transaction ETNB Common Stock Sale -$248K -13.7K -7.66% $18.11 165K May 9, 2023 Direct F1

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 -60.9K -93.75% $0.00 4.06K May 9, 2023 Common Stock 60.9K $3.11 Direct F2
transaction ETNB Stock Option (Right to Buy) Options Exercise $0 -18.6K -84.9% $0.00 3.31K May 9, 2023 Common Stock 18.6K $3.11 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on February 3, 2023.
F2 This option represents a right to purchase a total of 65,008 shares of the Issuer's common stock and is vested in full.
F3 This option represents a right to purchase a total of 26,486 shares of the Issuer's common stock, one quarter of which vested on July 23, 2020, with the remaining three quarters vesting in equal quarterly installments over the following three years.

Remarks:

Chief Technical Operations Officer and Head of Quality