What is the difference between Regulation S$$K and Regulation S$$X$?$

Multiple Choice

Regulation S$$K establishes reporting requirements for companies in their initial issuance of securities whereas Regulation S$$X is directed toward the subsequent issuance of securities$.$

Regulation S$$K establishes reporting requirements for publicly held companies whereas Regulation S$$X is directed toward private companies.

Regulation S$$K establishes reporting requirements for companies smaller than a certain size whereas Regulation S$$X is directed toward companies larger than that size.

Regulation S$$K establishes regulations for nonfinancial information filed with the SEC whereas Regulation S$$X prescribes the form and content of financial statements included in SEC filings.