What’s New In Activism – Twitter Poison PillTwitter Inc (NYSE:TWTR) has employed a poison pill in its defense against Elon Musk’s $43 billion hostile takeover bid. The company’s board unanimously approved a one-year shareholder rights plan with a 15% threshold, according to a Friday press release. The move came a day after Musk’s offer and amid rumors private equity firm Thoma Bravo was also interested in a buyout. Q1 2022 hedge fund letters, conferences and more Musk, who holds a 9.1% stake, said on Thursday that he was seeking to take Twitter private at $54.20 so that he could unlock the pla…