OSCR 8-K — Smart Summary

Oscar Health, Inc. disclosed that Mario Schlosser transitioned from President of Technology and Chief Technology Officer to Co-Founder & Advisor to the CEO, effective June 1, 2026, under an amended and restated employment agreement dated May 29, 2026. Mr. Schlosser will continue to serve on the Company's Board of Directors.

• Co-Founder & Advisor to the CEO Mario Schlosser — appointed to focus on accelerating the Company's artificial intelligence and digital health agenda; effective June 1, 2026; continues to serve on the Company's Board of Directors

• Mario Schlosser — annual base salary of $370,000 effective June 1, 2026; no longer eligible for annual bonus commencing with calendar year 2026; not eligible for any long-term incentive or equity-based compensatory awards during the term of the agreement, but will continue to vest in previously granted equity awards in accordance with their terms; not entitled to cash severance payments or Company-subsidized healthcare coverage upon any termination of employment

• President of Technology and Chief Technology Officer Mario Schlosser — transitioned out of the role of President of Technology and CTO, effective June 1, 2026; no cash severance payments or Company-subsidized healthcare coverage upon any termination of employment