Alan F. Holmer, Director at Corbus Pharmaceuticals Holdings, Inc. (CRBP), bought 500 shares at $6.23 ($3K) on 2017-05-11, disclosed to the SEC on 2017-05-12.
Open-market purchase of $3k CRBP by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Nothing distinguishes this filing.
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