One important report is the Earning Call Transcript.
For example the SEC make them accessible here :
Q3 2006 RAIT Investment Trust Earnings Conference Call
You can find a real example on how to do NLP (Natural language processing) to analyze earning call transcripts
and consequent ticker quarter growth to predict performance as compared to respective index.
In combination with the earning call transcript one key information is the earning date realse of a company earning figures, you can access them via our Earning Calendar API
to get the most recent earning announcements.
Query String Parameters
Quarter : 1 | 2 | 3 | 4
Year : Number (ex: 2020)