Boxer Capital, LLC, 10% Owner at Mirati Therapeutics, Inc. (MRTX), bought 22,500 shares at $45.00 ($1.0M) on 2015-09-16, disclosed to the SEC on 2015-09-18.
Open-market purchase of $1.0M MRTX by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Negative factors outweigh the positive ones.
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