Form 4

What Is a Form 4?

A Form 4 is a report that certain corporate insiders file with the U.S. Securities and Exchange Commission (SEC) to disclose changes in their holdings of a company's equity security. The requirement comes from Section 16(a) of the Securities Exchange Act of 1934. Covered insiders include a company's directors, its officers, and any beneficial owner of more than 10% of a class of registered equity securities.

How It Works

Insiders generally must file a Form 4 within two business days of a transaction that changes their holdings. Common examples include buying or selling common stock on the open market, exercising stock options, and receiving shares as compensation. Each form identifies the transaction date, the number of shares involved, the price if one applies, and whether the change was a purchase, a sale, or another type of transaction.

Forms are filed electronically and are publicly available through the SEC's EDGAR database, so anyone can review them. Related filings serve different purposes. Form 3 is the initial statement an insider files when first becoming covered, and Form 5 is an annual report for certain transactions that did not have to be reported earlier.

Why It Matters to Investors

Many investors read Form 4 filings to see whether insiders are buying or selling shares. These trades do not reliably predict a company's future performance. Insiders may sell for personal reasons such as diversification, taxes, or planned expenses, so a sale alone says little. Some investors pay closer attention to a pattern of open-market purchases, but that interpretation is a matter of judgment.

The filings also support oversight of insider trading. Section 16(b) of the Exchange Act, often called the short-swing profit rule, requires covered insiders to return profits from purchases and sales (or sales and purchases) made within six months of each other. Form 4 filings provide the dates and amounts needed to track those transactions.