Targeted protein degradation (TPD) specialist Plexium Inc.’s potential $565 million deal with Abbvie Inc. came on the heels of a tie-up with Amgen Inc. in February worth as much as $500 million-plus, as well as an oversubscribed $102 million financing the same month – all of which translates into “optionality, moving forward, to keep our heads down, do the work we’re really good at and continue to watch the market,” said CEO Percival Barretto-Ko.