Oversight and Transparency for Small Business Certifications Act of 2026This bill requires the Small Business Administration (SBA) to report annually, as part of the President's budget submission, information about specified SBA contracting programs.The reporting requirement applies to the8(a) Business Development program,Women-Owned Small Business Federal Contract program,HUBZone program, andService-Disabled Veteran-Owned Small Business program. The report must include the total number of unique small business concerns certified for participation in each program, the number of applications for certification for two or more such programs, and the percentage of total applicants that received two or more certifications.