J. Michael Dodson, Officer at MATTSON TECHNOLOGY INC (MTSN), bought 20,000 shares at $1.93 ($39K) on 2014-05-01, disclosed to the SEC on 2014-05-05.
Open-market purchase of $39k MTSN by Officer. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
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