Francis Raborn, Director at Allison Transmission Holdings Inc (ALSN), bought 20,000 shares at $23.00 ($460K) on 2012-03-20, disclosed to the SEC on 2012-03-22.
Open-market purchase of $460k ALSN by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.