Melvin D. Booth, Director at Mallinckrodt plc (MNK), bought 10,000 shares at $21.82 ($218K) on 2017-11-13, disclosed to the SEC on 2017-11-13.
Open-market purchase of $218k MNK 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.
Something here stands out, but not much.
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