How many insider trades does FilingIQ track for ETNB?

FilingIQ tracks 379 Form 4 insider transactions for ETNB (89bio, Inc.), covering filings from Nov 11, 2019 onwards. 0 of those were filed in the last 90 days.

Are ETNB insiders net buyers or net sellers?

Across the full Form 4 history for ETNB, 35 transactions (9%) were open-market purchases and 46 (12%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does ETNB insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

ETNB insider trading

89bio, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

379

Last 90 days

Buys / sells

9% / 12%

Market cap

—

ETNB insider activity at a glance

FilingIQ has scored 379 insider transactions for ETNB since Nov 11, 2019. The most recent filing in our index is dated Oct 30, 2025.

Across the full history, 35 open-market purchases and 46 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on ETNB insider trades is 63.4/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live ETNB trades on FilingIQ Raw filings on SEC EDGAR

Latest ETNB Form 4 filings

PALEKAR ROHAN Chief Executive Officer

S Dec 29, 2023

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

Frequently asked

How many insider trades does FilingIQ track for ETNB?: FilingIQ tracks 379 Form 4 insider transactions for ETNB (89bio, Inc.), covering filings from Nov 11, 2019 onwards. 0 of those were filed in the last 90 days.
Are ETNB insiders net buyers or net sellers?: Across the full Form 4 history for ETNB, 35 transactions (9%) were open-market purchases and 46 (12%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does ETNB insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

Methodology & sources

Every ETNB insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.