Use the =EDGAR and =EDGARBYDATE functions to request data from SEC EDGAR
=EDGAR("AAPL", "Liabilities", 0)
This function returns Apple's most recent 10-Q or 10-K balance sheet entry for Liabilities
=EDGARBYDATE("AAPL", "NetIncomeLoss", "FY2024")
This function returns Apple's Net Income as reported in its 2024 10-K
There are 500 types of data you can lookup from SEC Edgar, for a list of all possible data types, check out our Data Glossary.