SEC filings intelligence

Quantustik reads three families of SEC filings as market-conditions and per-ticker signal inputs: Form 4 insider buy clusters, 13F institutional/whale position changes, and Schedule 13D activist stake disclosures — all sourced from SEC EDGAR. Live, dated feeds across the tracked S&P 500 universe:

• Insider transaction feed (Form 4)
• 8-K filings feed (material events)
• 10-K Annual Reports feed

Signal methodology explainers:

• SEC Form 4 insider trading signals: what they can and can’t tell you
• 13F whale tracking: what hedge fund filings can and can’t tell you
• Schedule 13D vs 13G: reading activist-investor filings correctly

Educational research only — not investment advice.