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The Alpha Report.

Uncovering the market's hidden narratives through SEC filings, cluster buys, and quantitative data analysis.

2026-07-26//InsiderAlpha Quants

The Cluster Buy Signal: Deconstructing the Excess Return Illusion

We analyze 12,853 synchronized executive purchases to determine if clustered insider buying generates true excess returns, or if the data is hiding the real story.

Cluster BuyQuantitative AnalysisBacktestingExcess Return

2026-07-27

Isolating the Insider Signal: Why Most Form 4 Buys Contain Limited Predictive Information

A quantitative breakdown of how to filter 1.5 million SEC filings to separate routine compliance trading from genuine, alpha-generating conviction.

2026-07-25

CEO vs CFO Insider Trading: Deconstructing Executive Excess Returns

We analyzed open-market purchases to determine who times the market better: the CEO with the macroeconomic vision, or the CFO with the balance sheet reality.