BLUE insider trading
bluebird bio, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
BLUE insider activity at a glance
FilingIQ has scored 1,351 insider transactions for BLUE since Jan 12, 2015. The most recent filing in our index is dated Jun 2, 2025.
Across the full history, 2 open-market purchases
and 770 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 BLUE insider trades is 56.7/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest BLUE Form 4 filings
Most recent disclosures. Sign up to filter by score, transaction code, or insider role.
Frequently asked
- How many insider trades does FilingIQ track for BLUE?
- FilingIQ tracks 1,351 Form 4 insider transactions for BLUE (bluebird bio, Inc.), covering filings from Jan 12, 2015 onwards. 0 of those were filed in the last 90 days.
- Are BLUE insiders net buyers or net sellers?
- Across the full Form 4 history for BLUE, 2 transactions (0%) were open-market purchases and 770 (57%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does BLUE 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 BLUE 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.