Masimo’s Feud With Politan Escalates as Proxy Vote Nears (1)

The public feud between Masimo Corp. and Politan Capital Management LP widened this month when Masimo said Politan’s founder threatened Walt Disney Co. ex-CEO Bob Chapek and Politan countered that Masimo is trying to manipulate a shareholder vote.

The fight for control of Masimo spilled into two courts in July, when it sought an injunction against Politan’s board bid and the hedge fund accused Masimo of gamesmanship for moving its upcoming Sept. 19 director election. The activist investment firm—which holds a 9% stake—is waging a second successive proxy fight, seeking to seize a board majority by adding a third and ...