Shareholder investigation notice: halper sadeh llp investigates bhvn, vivo, hngr, cmax

New york , aug. 15, 2022 /prnewswire/ -- halper sadeh llp, an investor rights law firm, is investigating the following companies for potential violations of the federal securities laws and/or breaches of fiduciary duties to shareholders relating to: biohaven pharmaceutical holding company ltd. (nyse: bhvn) 's  sale to pfizer inc. for $148.50 per share in cash.
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