We are using Google’s cloud-based Sheets program to store and share the data. You can view and/or download the data (no Google account necessary), here.
This sheet lists US bills introduced at the state-level concerning drug prices (from 2015 to 2018) including links to the bill texts. Please note that while the sheet will be updated periodically, you should check with the relevant state legislature site for the latest update on the status of the bill.