Earlier this month, Masimo subpoenaed proxy advisors ISS and Glass Lewis for their private communications with investors about the upcoming proxy contest with activist Politan Capital, according to people familiar with the matter.The unusual move comes after the medical device company delayed its annual meeting and sued Politan Capital in federal court earlier this summer. Masimo founder Joe Kiani, a close confidante of President Joe Biden, has framed the upcoming vote as existential.Glass Lewis disclosed t ...