{"uid":"cap_QNsWawHK6IiZ-oHKbcNaL","slug":"insidewell-api-sec-form-4-cluster-buys-endpoint-18180c8b","name":"Insidewell API – SEC Form 4 Cluster Buys Endpoint","description":"SEC Form 4 insider trading API: the latest insider transactions (open-market buys and sales, grants, option exercises and more) from EDGAR, refreshed about once a minute, with ticker, insider, role, transaction code, shares, price, dollar value, shares owned after, Rule 10b5-1 flag and the filing link. Filters: ticker, insider, code, minimum value, date range, role, 10b5-1 plan. Plus cluster buys (2+ insiders buying within 7 days). REST + MCP server. Information only, not investment advice.","url":"https://insidewell-api.cybermaxtools.com/x402/api/cluster-buys?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"days":{"type":"integer","default":14,"description":"Look back N days of filings (1-45)"},"limit":{"type":"integer","default":25,"description":"Clusters (1-100)"},"ticker":{"type":"string","description":"Only these tickers (comma separated)"},"window":{"type":"integer","default":7,"description":"Buys must fall within this many days of each other (1-30)"},"minValue":{"type":"number","default":0,"description":"Only clusters whose buys add up to at least this many US dollars"},"minInsiders":{"type":"integer","default":2,"description":"Distinct insiders buying (2-10)"}}}}},"output":{"type":"object","properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Or-zIGN2ewfSRuTXKXbvF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns groups of 2+ corporate insiders who all bought shares of the same stock within a configurable time window, sourced from EDGAR Form 4 filings refreshed ~every minute.","exampleAgentPrompt":"Show me any cluster buys where at least 3 insiders bought the same stock within 7 days of each other over the last 30 days, with a combined purchase value of at least $500,000 — limit results to the top 10 clusters.","exampleUseCases":[{"title":"Bullish insider signal screener","prompt":"Pull all cluster insider buys from the last 14 days where at least 2 insiders bought the same stock within 7 days of each other and the total value across the cluster is at least $250,000 — show me the top 25 results."},{"title":"Single-ticker insider conviction check","prompt":"Have multiple insiders been buying TSLA stock recently? Check for cluster buys in the past 30 days with at least 2 distinct insiders buying within a 7-day window."},{"title":"High-conviction cluster buy alert","prompt":"Find stocks in the last 7 days where 3 or more company insiders all bought shares within a 5-day window and the combined value is over $1 million — limit to 10 clusters."}],"resultDescription":"A JSON array of insider cluster buy events, each containing the ticker symbol, the list of insiders involved (with names and roles), individual transaction details (dates, shares, price, dollar value, transaction code, Rule 10b5-1 flag), aggregate cluster value, and links to the original SEC EDGAR Form 4 filings.","failureModes":["No clusters found matching the filters — returns empty results array","Invalid ticker symbol — may return empty results or an error","Parameter out of allowed range (e.g. days > 45, minInsiders < 2) — returns validation error","Payment not completed or USDC balance insufficient — x402 payment required error","EDGAR upstream latency — data may be up to ~1 minute stale during refresh cycles"],"whenToPreferThis":"Use this endpoint when you specifically want to identify coordinated insider buying signals — multiple insiders purchasing the same stock within a short window — rather than individual insider transactions. Prefer this over the general insider transactions endpoint when screening for high-conviction bullish sentiment patterns or building quantitative screening strategies around cluster buy signals.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:32:25.396Z","isFirstParty":false,"canonicalSlug":"insidewell-api-sec-form-4-cluster-buys-endpoint-18180c8b"}