Transaction · 0001415889-25-002760

RA CAPITAL MANAGEMENT, L.P.

RA CAPITAL MANAGEMENT, L.P., DIR, reported an open-market or private purchase at 89bio, Inc. involving 5714285.000000 shares for an estimated $49999993.75. Reported holdings after the transaction were 19554319.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market buySEC transaction code PDIR
ETNB89bio, Inc.
Filing timeFeb 03
Trade dateJan 30, 2025
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
—
Pre-filing
1mo ago1w ago1d ago
Returns since
7d30d90d180d1y

ETNB price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ETNB since 2025-02-03Filed 583 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Buy
Code P
Identifier
0001415889-25-002760
Common Stock
Transaction date
Jan 30, 2025
Filed Feb 03, 2025, 10:38 PM · 4d delay
Shares
5.71M sh
$875 per share
Estimated value
$4.99B
Computed from shares × price
Holdings after
19.5M sh
Indirect · See Footnotes

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Buy Director Buy Large Buy Large Holdings Increase 10% Owner Buy
+50score
Filing-only score

+50

Compact filing score computed from stored Form 4 facts. Version v1.

Strong filing signal

This filing has a high positive filing-only score. It may deserve closer research, but it is not an investment recommendation.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% YesOther No
Footnotes & amended
  1. F1

    Held directly by the RA Capital Healthcare Fund, L.P. (the "Fund").

  2. F2

    RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund and RA Capital Nexus Fund, L.P. (the "Nexus Fund"). The general partner of the Adviser is RA Capital Management GP, L…

  3. F3

    Held directly by the Nexus Fund.

Original filing · 0001415889-25-002760
Related transactions

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Same reporting owner
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