Steven L. Fritze, Director at OTTER TAIL CORP (OTTR), bought 4,000 shares at $27.01 ($108K) on 2013-09-13, disclosed to the SEC on 2013-09-13.
Open-market purchase of $108k OTTR 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.