ZS Pharma, a late-stage biotech developing a treatment for excess potassium (hyperkalemia), raised $107 million by offering 5.9 million shares (vs. 5 million originally planned) at $18, above the $15 to $17 range. ZS Pharma will list on the NASDAQ under the symbol ZSPH. J.P. Morgan and Credit Suisse acted as joint bookrunners on the deal.
