Roche Holding AG will acquire Genmark Diagnostics Inc. for $24.05 per share in cash for a total of $1.8 billion on a fully diluted basis. The transaction will give Basel, Switzerland-based Roche access to Genmark’s molecular diagnostics portfolio. The deal is expected to close in the second quarter of 2021. The price represents a 43% premium on the Carlsbad, Calif.-headquartered diagnostics company’s share price as of Feb. 10, prior to media speculation about a potential acquisition.