Sites like Disclosure Quest archive these raw text files, where the string is visible to anyone searching for specific file extensions within government data. Conclusion
The sequence "4C.7z" is simply a coincidental result of the encoding process. It is not a real 7-Zip file, nor is it a hidden "leaked" archive. Where You’ll Find It M4C.7z
If you were hoping for a secret hacker archive or a hidden game file, "M4C.7z" is unfortunately just . It's a byproduct of how 20th-century encoding standards handle modern document graphics. 0000950103-19-016904.txt - SEC.gov Sites like Disclosure Quest archive these raw text
You can find these strings in the raw .txt versions of major corporate filings: M4C.7z