Three traps when an AI assistant reads insider trades from Form 4s

Equibles is an MCP server that gives ChatGPT and Claude SEC filings and market data. On November 3, 2026, I ran an "are insiders buying?" workflow through it on GameStop, where the CEO bought 4,144,810 shares for $97.2 million between September 10 and October 13. The answer is only useful if three things are handled before the model ever sees the rows. 1. Not every "acquisition" is a purchase A Form 4 row carries a transaction code. P is an open-market purchase; A is an award, M an option exercise, F shares withheld for tax, G a gift. All of them can raise the insider's share count. If the too
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