Insider & Institutional
Blackout Period
A window of time — typically around earnings releases — during which insiders are prohibited from trading company stock. Trades outside blackout windows carry more signal value.
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Insider Velocity Leaderboard →Related Terms
Form 4
An SEC filing required within two business days whenever a corporate insider (officer, director, or 10%+ shareholder) buys or sells company stock. The primary data source for insider trading signals.
13F Filing
A quarterly SEC filing required of institutional investment managers with >$100M in assets. Discloses their equity holdings as of the end of each quarter — published 45 days after quarter end.
13D / 13G
13D: Filed when any investor acquires >5% of a company's shares with intent to influence management (activist). 13G: Same threshold, but passive investor. 13D is the more aggressive signal.
Velocity Score
InsiderPulse's proprietary metric. Measures how much faster insiders are buying a stock recently versus their own historical baseline — weighted by the number of unique insiders buying.
Beneficial Ownership
A person or entity that has economic benefit of a security even if held in another name. Reportable once a threshold (5% or 10%) is crossed.
SEC EDGAR
The SEC's Electronic Data Gathering, Analysis, and Retrieval system. The public database where all required SEC filings (Form 4, 13F, S-1, 10-K, etc.) are submitted and searchable.