Steven R. Gullans Ph.D., Director at TETRAPHASE PHARMACEUTICALS INC (TTPH), bought 25,000 shares at $9.24 ($231K) on 2014-05-19, disclosed to the SEC on 2014-05-21.
Open-market purchase of $231k TTPH by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| Filing → |
| GEMP | BUY | 2017-03-14 | $1000K | — | Filing → |
| GEMP | BUY | 2016-08-12 | $5.0M | — | Filing → |
| TTPH | BUY | 2013-03-27 | $3.5M | — | Filing → |