Signal8 — Filings in. Signals out.

The next-generation financial screener built on SEC filings. Track insider trades, institutional flow, dilution risk, and market movers in real time.

What you can do on Signal8

• Browse public companies — stock prices, market cap, sector, dilution risk, financials, insider trading, and institutional holdings.
• Track insider trading — SEC Form 3, 4, and 5 filings, recent transactions, cluster buying alerts, and most active insiders across the market.
• Browse institutional 13F filers— assets under management, portfolio holdings, and quarterly position changes for every SEC-registered institution.
• ETF and ETV directory — exchange, issuer, expense ratio, holdings, sector exposure, and performance across leveraged, inverse, and traditional funds.
• Live financial news — Bloomberg-style three-column monitor aggregating press releases, SEC filings (8-K, 10-K, 10-Q, Form 4, 13D/G), and AI-classified market news with sentiment scoring.