You can do this really quickly and easily with Power Query.
The following query returns all files in your folder, as a table, and applies a function query for each column returned:
The four function queries, to return your four columns are identical, apart from the cell referenced. Name them consistently with the function names used in the CombineFromFolder query.
Example workbook attached - just change the folder path in the CombineFromFolder query, then refresh. To update, simply refresh the query.
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