{"uid":"cap_oqNwnpQOlfOINoWgB9KoN","slug":"answerpool-insider-buy-clusters-a40b63ec","name":"AnswerPool Insider Buy Clusters","description":"AnswerPool turns SEC EDGAR, the Federal Register, USAspending, NIH, BLS and OpenAlex into structured JSON answers that AI agents and developers fetch in one call. 69 endpoints free, no account; derived analyses $0.02–$0.05 per call by card credits or USDC (x402). MCP server, full provenance.","url":"https://answerpool.io/v1/sec/insider/clusters","method":"GET","headers":{},"bodySchema":{"type":"object","$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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","title":"ClustersIn","properties":{"days":{"type":"integer","title":"Days","default":7,"maximum":30,"minimum":1,"description":"Length of the lookback window in days, counted back from now; 1 to 30, default 7."},"min_insiders":{"type":"integer","title":"Min Insiders","default":3,"maximum":10,"minimum":2,"description":"Minimum number of distinct insiders buying the same issuer inside the window for it to be reported as a cluster; 2 to 10, default 3."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"as_of":"2026-08-31T14:00:00Z","count":1,"clusters":[{"cik":"0000096223","ticker":"JEF","buy_usd":4500000,"company":"JEFFERIES FINANCIAL GROUP INC.","filings":3,"insiders":3,"latest_at":"2026-08-28T21:53:58","insider_names":["FRIEDMAN BRIAN P","HANDLER RICHARD B","OSBORNE MATT"]}],"window_days":7,"index_started_at":"2026-08-27T00:00:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_evGmgF03UOeBcf9mgHxY-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a list of issuers where 3 or more distinct officers or directors bought shares within a rolling window, with combined buy USD, insider count, and names per issuer.","exampleAgentPrompt":"Pull the latest insider buy clusters from SEC filings — show me all issuers where at least 3 distinct insiders bought within the past 7 days, with their names and combined dollar amounts.","exampleUseCases":[{"title":"Daily high-conviction insider screen","prompt":"Show me all companies where at least 3 officers or directors bought shares within the past week — I want the combined buy amount and the names of each insider per company."},{"title":"Tighter cluster filter for quant model","prompt":"Find insider buy clusters from the last 14 days but only flag companies where at least 5 distinct insiders bought — give me the tickers, total USD purchased, and insider names."},{"title":"Weekly watchlist for concentrated insider activity","prompt":"Every Monday I want a list of stocks that had coordinated insider buying last week — at least 3 buyers, within a 7-day window, sorted by total dollars purchased."}],"resultDescription":"A JSON object containing the as_of timestamp, the window in days, and an array of cluster records. Each record includes the issuer's CIK, ticker, company name, number of distinct insiders who bought, their names, combined buy USD, number of filings, and the timestamp of the most recent filing.","failureModes":["No clusters found for the given parameters returns an empty clusters array with count 0","Invalid days value outside 1-30 range returns a validation error","Invalid min_insiders value outside 2-10 range returns a validation error","Stale or delayed SEC EDGAR ingestion may cause recent filings to be missing from results","Rate limiting or payment failure returns a 402 response requiring USDC payment"],"whenToPreferThis":"Choose this endpoint when you need a pre-computed, market-wide signal of coordinated insider buying — specifically when you want companies where multiple distinct insiders bought within a short window, without having to aggregate raw transactions yourself. It is the only single-call API that delivers this cluster-level aggregation. Prefer it over the raw insider screen endpoint when conviction level (number of distinct buyers) matters more than individual transaction details.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:05:50.509Z","isFirstParty":false}