Gregory Ivan Law, Principal Accounting Officer at OSIRIS THERAPEUTICS, INC. (OSIR), bought 100 shares at $18.83 ($2K) on 2015-06-04, disclosed to the SEC on 2015-06-08.
Open-market purchase of $2k OSIR by Principal Accounting 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.