CEOs, CFOs, and directors must disclose every stock trade they make within days of the transaction. That data is public, but buried in SEC filings most people never see. InsiderTape ingests every Form 4 filing in real time and turns it into actionable signals: cluster buys, pre-earnings proximity detection, exit warnings, insider scoring, annotated price charts, sector heat maps, and a live signal monitor ranked by strength. Follow the smart money. Free to start. Premium unlocks full suite.
Hey Product Hunt 👋
The idea for InsiderTape came from a frustrating realization - SEC Form 4 filings are completely public, updated daily, and one of the most underutilized data sources in retail investing. When a CEO buys $10M of their own stock days before earnings, that's meaningful. But finding it required manually digging through EDGAR, which almost nobody does.
I wanted to build something that made that signal impossible to miss.
The early version was just a screener. It would pull the filings, and show the trades. But the more I dug into the data, the more patterns emerged. Cluster buys (multiple insiders at the same company buying simultaneously) turned out to be a particularly strong signal. So did proximity to earnings, insiders buying in the 2-3 weeks before a confirmed earnings date show up consistently in the data.
That led to the full signal suite: cluster detection, pre-earnings proximity scanning, exit warnings based on actual 52-week price positioning, conviction scoring that ranks every insider by their historical track record, and a live monitor that pulls it all together.
The goal throughout was to build something a serious investor would actually trust - accurate data, honest labels (we distinguish confirmed earnings dates from estimates), and no noise.
Would love to hear what signals you find most useful, and what you'd want to see next. Happy to answer any questions below.
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