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Regulation

Regulation

Search the US rules, orders and guidance behind your reporting obligations, covering Section 16, Rule 10b5-1, Item 408, Regulation FD, HFIA and EDGAR Next.

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Three stacked document trays on a desk holding neatly sorted paperwork.
Official guidelines·June 9, 2026

Section 16 mechanics for Forms 3, 4 and 5

Who reports under Section 16 and on which form, across Forms 3, 4 and 5, the two-business-day clock, the Rule 16a-3(k) website-posting requirement, and short-swing liability under Section 16(b).

Read more about Section 16 mechanics for Forms 3, 4 and 5
Two professionals in quiet conversation across a small table inside a glass-walled meeting room.
Official guidelines·May 25, 2026

Tipper and tippee liability and the personal-benefit test

Explains how insider trading liability follows information from tipper to tippee under Dirks and Salman, so you can see why passing MNPI on is a risk in itself.

Read more about Tipper and tippee liability and the personal-benefit test
A large paper desk planner opened flat on a wooden desk showing several months across facing pages.
Official guidelines·May 1, 2026

Short-swing liability under Section 16(b) in practice

Understand how Section 16(b) recovers short-swing profit without any showing of fault, through the matching rules, the six-month calendar and the exemptions, so your reporting persons never trip a liability they cannot argue their way out of.

Read more about Short-swing liability under Section 16(b) in practice

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