RA CAPITAL MANAGEMENT, L.P. - 16 May 2022 Form 4 Insider Report for 89bio, Inc. (ETNB)

Signature
/s/ Peter Kolchinsky, Manager of RA Capital Management, L.P
Issuer symbol
ETNB
Transactions as of
16 May 2022
Net transactions value
$0
Form type
4
Filing time
02 Jun 2022, 16:30:35 UTC
Previous filing
12 May 2022
Next filing
01 Jun 2022

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) Award $0 +25,000 $0.000000 25,000 16 May 2022 Common Stock 25,000 $2.64 See footnotes F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund"), and RA Capital Nexus Fund, L.P. (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.
F2 The shares subject to the option will vest in full on May 16, 2023 subject to Mr. Derek DiRocco's, a Partner of the Adviser who serves on the Issuer's board of directors, continuous service through such date.
F3 Under Mr. DiRocco's arrangement with the Adviser, Mr. DiRocco holds the option for the benefit of the Fund and the Nexus Fund. Mr. DiRocco is obligated to turn over to the Adviser any net cash or stock received upon exercise of the option, which will offset advisory fees owed by the Fund and the Nexus Fund to the Adviser. The Reporting Persons therefore disclaim beneficial ownership of the option and underlying common stock.

Remarks:

Mr. Derek DiRocco, a Partner of the Adviser, serves on the Issuer's board of directors.