---
schema_version: "secwatch.filing_event.v1"
accession: "0001293971-24-000014"
form_type: "8-K"
ticker: null
cik: "0001293971"
company_name: "bluebird bio, Inc."
filed_at: "2024-04-26T23:59:59+00:00"
generated_at: "2026-06-03T06:18:55.123322+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# bluebird bio receives Nasdaq notice for late 10-K filing due to restatement

## Summary
- Delayed 2023 Form 10-K due to restatement of 2022 annual and 2022/2023 quarterly financials.
- Restatements relate to identification of embedded leases and treatment of non-lease components.
- Company has until June 24, 2024 to submit plan to regain Nasdaq compliance; potential extension to Oct 14.
- No impact on cash position or revenue expected from restatements.
- Notice has no immediate effect on stock listing or trading.

## SEC filing metadata
- accession: 0001293971-24-000014
- form_type: 8-K
- cik: 0001293971
- company_name: bluebird bio, Inc.
- filed_at: 2024-04-26T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 3.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1293971/000129397124000014/0001293971-24-000014-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1293971/000129397124000014/blue-20240424.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001293971-24-000014
- JSON: https://secwatch.observer/filing/0001293971-24-000014.json
- Plain text: https://secwatch.observer/filing/0001293971-24-000014.txt

## Key facts
- Listing & Compliance Notices
  bluebird bio, Inc. received a nasdaq noncompliance notice notice regarding late filing (rules 5250(c)(1)).
  - Exchange: nasdaq
  - Notice: noncompliance notice
  - Deficiency: late filing
  - Rules: 5250(c)(1)
  source text: April 24, 2024, bluebird bio, Inc. (the “Company”) received a notification letter (the “Notice”) from the Listing Qualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”) indicating that, as a result of the Company's delay in filing its Annual Report on Form 10-K for the year ended December 31, 2023 (the “2023 Form 10-K”) with the Securities and Exchange Commission (the “SEC”), the Company is not in compliance with Nasdaq Listing Rule 5250(c)(1) (the “Rule”), which requires Nasdaq-listed companies to timely file all required periodic financial reports with the SEC. The Notice states
  evidence_url: https://www.sec.gov/Archives/edgar/data/1293971/000129397124000014/0001293971-24-000014-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.