Michael A. Hartmann, Executive Vice President at BioAmber Inc. (BIOA), bought 10,000 shares at $0.48 ($5K) on 2017-08-18, disclosed to the SEC on 2017-08-22.
Open-market purchase of $5k BIOA by Executive Vice President. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Clearly above the average filing.
| Filing → |
| BIOA | BUY | 2015-08-17 | $10K | — | Filing → |
| BIOA | BUY | 2015-05-08 | $10K | — | Filing → |
| BIOA | BUY | 2014-07-17 | $36K | — | Filing → |