What it is
Insider buying refers to the legal acquisition of a company's shares by individuals who have privileged information about the company's operations, financial health, or future prospects. These insiders, typically executives or board members, must report their transactions to the U.S. Securities and Exchange Commission (SEC) within two business days. This transparency aims to prevent illegal insider trading by making their trades public.
Investors often view insider buying as a strong bullish signal, as it suggests those closest to the company believe its stock is undervalued or has significant upside potential. While not a guarantee of future performance, a pattern of multiple insiders buying shares can indicate genuine confidence. Following SEC Form 4 filings helps retail investors track these transactions, offering a unique perspective on a company's prospects.
Why it matters
Insiders buying their own company's stock can signal strong confidence in its future, potentially indicating undervaluation or positive developments ahead.
Reviewed under editorial standardsUpdated September 26, 2026Not investment advice