{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-166322","form_type":"8-K","ticker":null,"cik":"0001293971","company_name":"bluebird bio, Inc.","filed_at":"2024-06-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:17.753561+00:00","generated_at":"2026-06-01T02:24:11.280112+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"bluebird bio appoints Michael Cloonan to Board as Class I director effective June 20, 2024","bullets":["Michael Cloonan appointed as Class I director, effective June 20, 2024.","Annual retainer of $45,000; initial grant of 74,775 stock options and 37,350 RSUs.","Stock options and RSUs vest ratably over three years; standard indemnification agreement.","No family relationships with other directors/officers, no reportable transactions."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-166322","json":"https://secwatch.observer/filing/0001193125-24-166322.json","markdown":"https://secwatch.observer/filing/0001193125-24-166322.md","text":"https://secwatch.observer/filing/0001193125-24-166322.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1293971/000119312524166322/0001193125-24-166322-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1293971/000119312524166322/d826411d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T02:24:11.280112+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"94faf58df9","claim":"Michael Cloonan was appointed as Class I director at bluebird bio, Inc..","evidence_excerpt":"On June 20, 2024, the board of directors (the “Board”) of bluebird bio, Inc. (the “Company”) appointed Michael Cloonan to the Board as a Class I director, effective June 20, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1293971/000119312524166322/0001193125-24-166322-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Class I director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}