AstraZeneca PLC just filed a "Statement of acquisition of beneficial ownership", which is also known as a 13D. In the filing, it appears as though AstraZeneca PLC claims to own 6,245,661 shares. This represents 24.7% of ZS Pharma, Inc..
Please note that typos are common in SEC filings. Please verify the information reported above before acting on it.
To receive a free e-mail notification whenever ZS Pharma, Inc. makes a similar move, sign up!