SK Bioscience Co. Ltd. signed a simple agreement for a future equity (SAFE) deal totaling $2 million with Hingham, Mass.-based Sunflower Therapeutics PBC on July 25 to secure both Sunflower’s equity and its yeast-based protein manufacturing technology. The conditional agreement will grant SK Bioscience future equity rights in Sunflower without the need for immediate valuation, allowing for minimal investment.