Browse Regulation

Securities Market Rules and Disclosure

SEC disclosure, short-sale, and margin-credit rules that shape securities-market conduct.

Securities-market rules sit alongside disclosure because the common thread is how information, trading limits, and filing requirements shape investor access.

This branch groups Regulation FD, Regulation SHO, Regulation T, Rule 10b-5, Rule 10b5-1, Rule 10b-18, Rule 12b-1, Rule 144, Rule 144A, and Form 144 so fair disclosure, trading controls, buybacks, fund distribution, and resale rules stay in one connected home.

In this section

Revised on Monday, May 18, 2026