{"id":"sentiment-insider-activity","category":"sentiment","title":"Insider Trading Activity Signal","summary":"Cluster insider buying — multiple executives buying same month — is a high-conviction bullish signal.","trigger":{"always":false,"sectors":[],"tickers":[],"regimes":[]},"ttl_hours":168,"content":{"signal_types":{"cluster_buy":"3+ insiders buying same stock in same month — highest conviction signal; insiders rarely all buy together unless they see value","ceo_cfo_buy":"CEO or CFO open-market purchases — most significant; they know the most","size_matters":"Purchases >$1M open-market are meaningful; $10K buys from minor officers less so","sell_caveat":"Insider selling is NOT a reliable bearish signal — insiders sell for many reasons (taxes, diversification, RSU vesting)"},"filing_details":{"source":"SEC Form 4 filings — insiders must report within 2 business days","lookback":"Focus on past 90 days — older filings less actionable","open_market_only":"Only count open-market purchases; option exercises and grants are mandatory"},"data_sources":["SEC EDGAR Form 4 search","OpenInsider.com","Finviz insider filter"],"verdict":"Insider buying is the most unambiguous bullish signal in markets — executives risk their own money and legal reputation. Cluster buys near 52-week lows with strong balance sheets are historically the highest-return set-up."}}