The Paper TrailA field guide to public money: congressional trades, insider filings, institutional holdings and the records behind market research.https://www.mountainhead.ai/blog/en-US13F filings explained: a snapshot is not a hedge fund's live portfoliohttps://www.mountainhead.ai/blog/13f-filings-explainedhttps://www.mountainhead.ai/blog/13f-filings-explainedRead a 13F's reporting period, shares and value correctly. Learn the 45-day deadline, coverage limits, amendments and why it is not a live portfolio.Wed, 16 Sep 2026 00:00:00 GMTInstitutionalUse Mountainhead's MCP server in Claude Code and Cursorhttps://www.mountainhead.ai/blog/connect-market-research-mcphttps://www.mountainhead.ai/blog/connect-market-research-mcpConnect Mountainhead's financial research MCP server to Claude Code or Cursor with browser sign-in, then build a cited workflow for trades and SEC filings.Wed, 16 Sep 2026 00:00:00 GMTFor developersHow to connect Mountainhead to Claude in four stepshttps://www.mountainhead.ai/blog/connect-mountainhead-to-claudehttps://www.mountainhead.ai/blog/connect-mountainhead-to-claudeAdd Mountainhead to Claude as a custom MCP connector in four steps, with no API key, then ask about Congress trades, insider buys and 13F holdings.Wed, 16 Sep 2026 00:00:00 GMTSetup guidesHow to read SEC Form 4: an insider purchase is only the beginninghttps://www.mountainhead.ai/blog/how-to-read-sec-form-4https://www.mountainhead.ai/blog/how-to-read-sec-form-4Learn how Form 4 reports insider transactions, what P, S, A and M codes mean, and why ownership, footnotes and timing belong beside every trade.Wed, 16 Sep 2026 00:00:00 GMTInsider tradesHow to track Congress stock trades without losing the contexthttps://www.mountainhead.ai/blog/how-to-track-congress-stock-tradeshttps://www.mountainhead.ai/blog/how-to-track-congress-stock-tradesFind House and Senate stock disclosures, read transaction dates and value ranges, and understand the reporting delay before following a trade.Wed, 16 Sep 2026 00:00:00 GMTCongressCabinet stock trades: how to read OGE Form 278-Thttps://www.mountainhead.ai/blog/oge-form-278-t-executive-disclosureshttps://www.mountainhead.ai/blog/oge-form-278-t-executive-disclosuresFind executive-branch financial disclosures, distinguish periodic transactions from annual holdings, and read the dates and amount ranges correctly.Wed, 16 Sep 2026 00:00:00 GMTPublic officialsWhy private jets disappear from flight trackershttps://www.mountainhead.ai/blog/why-private-jets-disappear-flight-trackershttps://www.mountainhead.ai/blog/why-private-jets-disappear-flight-trackersUnderstand FAA LADD filtering, ADS-B receiver coverage and stale positions, plus what a missing flight trace can and cannot tell a researcher.Wed, 16 Sep 2026 00:00:00 GMTMovement