Enrico Petrillo, 10% Owner at TETRAPHASE PHARMACEUTICALS INC (TTPH), bought 1,468,505 shares at $7.00 ($3.5M) on 2013-03-25, disclosed to the SEC on 2013-03-27.
Open-market purchase of $3.5M TTPH 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $0.00 | 972,384 | $0 | 0.0% |
| 2 | $7.00 | 496,121 | $3.5M | 100.0% |
| Total | $2.36 avg | 1,468,505 | $3.5M | 100% |