SEC Form 4 Insider Buys & Cluster Buying Detector
Pricing
from $3.00 / 1,000 insider transactions
SEC Form 4 Insider Buys & Cluster Buying Detector
Track insider purchases from official SEC Form 4 filings. Filters to real open-market buys and flags cluster buying — several insiders buying at once.
Pricing
from $3.00 / 1,000 insider transactions
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Developer
mridula maddipatla
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1
Monthly active users
8 days ago
Last modified
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Track real insider buying from official SEC Form 4 filings. The tool filters out the noise (stock grants, option exercises, tax withholding) and flags cluster buys, where several insiders buy the same stock within a short window.
What you get, per transaction
ticker · insider (+ SEC CIK) · role (CEO/CFO/director/10% owner) · date · transaction code + meaning · shares · price · $ value · shares owned after · cluster_buy flag + number of insiders in the window · filing link
Example
{ "tickers": ["AAPL", "JPM", "XOM"], "daysBack": 60, "onlyPurchases": true, "minValueUsd": 50000 }
Notes
- "Open-market purchase" means transaction code P.
- A cluster means at least N distinct insiders bought within ±X days. Both values can be configured. Insiders are counted by SEC CIK, so a joint filing (e.g. an executive and their family trust) is not double-counted.
- When a filing reports the price only in a footnote (weighted-average ranges, in-kind transfers),
priceandvalue_usdarenull; such rows are excluded by anyminValueUsd> 0. - Tickers with share classes work as
BRK.BorBRK-B. - Covers non-derivative transactions (common stock). Options and derivatives are not included in v1.
- Uses public SEC EDGAR data. Not investment advice.
Data is sourced from public SEC EDGAR filings. This tool is not affiliated with or endorsed by the U.S. Securities and Exchange Commission. Not investment advice.