---
schema_version: "secwatch.filing_event.v1"
accession: "0000731766-24-000085"
form_type: "8-K/A"
ticker: "UNH"
cik: "0000731766"
company_name: "UNITEDHEALTH GROUP INC"
filed_at: "2024-03-08T23:59:59+00:00"
generated_at: "2026-06-05T00:55:40.433762+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# UnitedHealth Group provides timeline for restoring Change Healthcare systems after cyberattack

## Summary
- Pharmacy e-prescribing fully functional; claim submission/payment transmission available as of March 7.
- Electronic payment functionality available for connection from March 15; medical claims testing starts March 18.
- Temporary Funding Assistance Program launched; UnitedHealthcare advances funds based on historical payment levels, repayable when claims resume.
- Medicare Advantage prior authorizations for most outpatient services suspended until March 31; Part D formulary exceptions also suspended.
- Company expects to exclude principal cyberattack impacts from adjusted earnings; no other systems affected.

## SEC filing metadata
- accession: 0000731766-24-000085
- form_type: 8-K/A
- ticker: UNH
- cik: 0000731766
- company_name: UNITEDHEALTH GROUP INC
- filed_at: 2024-03-08T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.05, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/731766/000073176624000085/0000731766-24-000085-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/731766/000073176624000085/unh-20240221.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000731766-24-000085
- JSON: https://secwatch.observer/filing/0000731766-24-000085.json
- Plain text: https://secwatch.observer/filing/0000731766-24-000085.txt

## Key facts
- Cybersecurity Incidents
  UNITEDHEALTH GROUP INC disclosed a cybersecurity incident: cybercrime threat actors accessed certain Change Healthcare IT systems. Impact: disruption to pharmacy, medical claims and payment services; company working to restore systems. Materiality is still being assessed.
  - Nature: cybercrime threat actors accessed certain Change Healthcare IT systems
  - Impact: disruption to pharmacy, medical claims and payment services; company working to restore systems
  - Materiality: assessing
  source text: As of the date of this Amendment, the Company has not determined the incident is reasonably likely to materially impact the Company’s financial condition or results of operations.
  evidence_url: https://www.sec.gov/Archives/edgar/data/731766/000073176624000085/0000731766-24-000085-index.htm

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