CAT stands for Consolidated Audit Trail, the official home of the CAT is https://www.catnmsplan.com/. catnmsplan only updates a few times a month so the data here will around 15-20 days out of date, however as soon as there is an update on catnmsplan it will be reflected here within 12 hours at most.
Data all the data on this site is scraped from https://www.catnmsplan.com/ every morning at 9am ET and every evening at 9pm ET. The downloads and the data on this page are refreshed shortly after the scrapers run.