Paydirt
ETNB
Ticker

89bio, Inc.

ETNB

89bio, Inc. (ETNB) has 2 disclosed filings on Paydirt over the past 24 months from 2 corporate insiders: 1 purchase and 1 sale. Filers took a median of 3 days from execution to disclosure, and the most recent trade was executed Jul 15 2025 and filed Jul 17 2025. The most active filer was Peter Kolchinsky with 1 filing. Data as of Nov 8 2026.

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Filings, 24m
2
1 buy · 1 sell
Traders, 24m
2
2 insiders
Volume, 24miDollar value disclosed in the window
$50.1M
estimated for Congress, as filed for insiders
Median delay
3d
execution to disclosure
Last traded
Jul 15 2025
Filed Jul 17 2025
ADViAverage daily dollar volume
–
not on file

No price series on file for ETNB yet.

Volume by month
$50.0M$25.0M$0Dec 2024Jun 2025Dec 2025Jun 2026Feb 2025 · buys $50.0MJul 2025 · sells $115K
Buys $50.0M Sells $115K

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months
PK Peter Kolchinsky Director 1 filing · 1 buy, 0 sales QN Quoc Le-Nguyen See Remarks 1 filing · 0 buys, 1 sale
Recent filings
Quoc Le-NguyenSALE See Remarks $115K
10,461 sh × $11.02
Exec Jul 15 2025
Filed Jul 17 2025 · 5:30 PM ET Peter KolchinskyPURCHASE Director $50.0M
5,714,285 sh × $8.75
Exec Jan 30 2025
Filed Feb 3 2025 · 5:30 PM ET Quoc Le-NguyenSALE See Remarks $227K
27,955 sh × $8.12
Exec Oct 30 2024
Filed Nov 1 2024 · 5:30 PM ET