89bio, Inc.
0.00%
0
1785173
282559103
Oct 28, 2025
Oct 31, 2025, 10:42 AM
Reporting Persons (3)
This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.
| Name | Type | % of Class | Aggregate | Sole Voting | Shared Voting |
|---|---|---|---|---|---|
| Adage Capital Management, L.P. | Investment Adviser | 0.00% | 0 | 0 | 0 |
| Robert Atchinson | Individual | 0.00% | 0 | 0 | 0 |
| Phillip Gross | Individual | 0.00% | 0 | 0 | 0 |
Disclosure Items (2)
Common Stock, par value $0.001 per share
89bio, Inc.
655 MONTGOMERY STREET, SAN FRANCISCO, CA, 94111
See rows (11) and (13) of the cover pages to this Schedule 13D for the aggregate number of shares of Common Stock and percentages of the shares of Common Stock beneficially owned by each of the Reporting Persons.
See rows (7) through (10) of the cover pages to this Schedule 13D for the number of shares of Common Stock as to which each Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition.
The transactions in the shares of Common Stock since the filing of the Schedule 13D by the Reporting Persons, which were all in the open market, are set forth in Schedule A, and are incorporated herein by reference. In addition, on October 29, 2025, the Reporting Persons tendered all of their 13,097,587 shares of Common Stock into the tender offer pursuant to the Merger Agreement at an offer price of (i) $14.50 per share in cash, and (ii) one non-tradeable contingent value right per share, all as described in the Company's SEC filings.
Not applicable.
October 29, 2025