Field NotesRun it. Publish what came back.

Field Notes

AJ Lands runs AI innovation and risk at a Fortune 50 and builds his own AI systems the rest of the time. Every issue is one experiment run at scale, with the raw numbers and the caveats that came with them. Null results get published the same as the good ones.


  1. 5%

    I Opened 1,598 Insider Clusters. 80 Were Real Buys.

    I pulled 149,166 Form 4 filings to test the trade everyone screens for. Then I read the filings and found out what I was actually measuring.

    Issue 01 · August 5, 2026
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