https://oshpd.ca.gov/visualizations/prescription-drug-wholesale-acquisition-cost-increases/

The Office of Statewide Health Planning and Development (OSHPD) has released to the public the nation’s first mandatory reporting of information related to increases to the wholesale acquisition cost (WAC) of prescription drugs by drug product as identified by the drug product’s the National Drug Code (NDC). §127679 of the Health and Safety Code requires prescription drug manufacturers to report quarterly Specified WAC Increases of more than 16%, beginning January 1, 2019. This first public release includes all the required information submitted by prescription drug manufacturers for specified WAC increases reported for the first quarter of 2019.