** Shares of vaccine maker Novavax NVAX.O rise 6.1% to $8.47 premarket
** Activist investor Shah Capital plans to vote against the re-election of board nominees and the executive compensation package at Novavax's upcoming annual meeting
** In a letter sent Wednesday, Shah Capital founder Himanshu Shah criticizes management for failing to implement aggressive cost-cutting measures
** Investor urges company to slash expenses and opportunistically repurchase 10–20 mln shares
** Shah Capital owns about 9% of Novavax, making it the company’s second-largest shareholder
** Hedge fund has been pressing the board to pursue strategic alternatives, including a potential sale of the biotech firm
** As of last close, stock up 18.8% YTD
(Reporting by Siddhi Mahatole)
((siddhi.mahatole@thomsonreuters.com))