CLOVER HEALTH INVESTMENTS, CORP. /DE

Clover Health Investments, Corp. disclosed on July 17, 2026, that on July 4, 2026, it became aware of anomalous login activity on certain of its information systems. The investigation showed a threat actor gained access to three non-managerial health plan employee accounts through social engineering. The accounts had access to certain PII and PHI but no access to corporate financial or claims systems; the investigation into what data was accessed is ongoing. The company activated incident response, engaged third-party cybersecurity experts, took steps to contain the activity, and notified law enforcement. The company does not believe the incident is material.