From which database does Samples Hunt get its info?

Samples Hunt obtains its clauses/documents from the EDGAR database.

EDGAR (Electronic Data Gathering, Analysis, and Retrieval) is an internal database system managed by the SEC that performs automatic collection, validation, indexing and acceptance of submissions by companies and others required by law to file forms with the SEC. The database contains a wealth of information about the commission and the securities industry that is freely available to the public via the internet.