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Pullbacks Hit Micro-Caps Harder. That's When Insider Buying Matters Most.
When the broad market sells off, small and micro-cap stocks tend to fall further, not less. The forces that make a pullback hurt more in micro-caps are the same ones that make insiders buying into the weakness the highest-signal event worth watching.
What Is an Insider Cluster Buy?
An insider cluster buy is when two or more insiders at the same company buy its stock on the open market within a few days of each other. Here is what counts as a cluster, why it beats a lone insider buying, and how to tell a real signal from noise.
How We Turn a Cluster Buy Into a 0–100 Score
A cluster buy is a pile of Form 4 filings. The Cluster Signal Score collapses it into a single number from 0 to 100, weighting the six things that the research says separate conviction from noise. Here is exactly how it works.
Why Insider Buying Is Loudest in Micro-Caps
A CEO buying $1M of her own stock means something very different at a $200M company than at a $200B one. Decades of research show insider buying predicts returns mostly in small, under-covered firms. Here's why, and where we draw the line.
Not All Insider Buys Are Equal: How We Filter Signal From Noise
Most insider-trading tools treat routine calendar purchases identically to high-conviction bets. The academic evidence says one generates 10% annual alpha. The other generates zero.