Yasunori Kaneko, 10% Owner at TETRAPHASE PHARMACEUTICALS INC (TTPH), bought 753,081 shares at $7.00 ($4.8M) on 2013-03-25, disclosed to the SEC on 2013-03-27.
Open-market purchase of $4.8M 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 | 72,069 | $0 | 0.0% |
| 2 | $7.00 | 681,012 | $4.8M | 100.0% |
| Total | $6.33 avg | 753,081 | $4.8M | 100% |
| Filing → |
| COLL | BUY | 2015-05-13 | $1.8M | — | Filing → |
| PRTO | BUY | 2014-10-29 | $2.0M | — | Filing → |
| PRTO | SELL | 2014-10-29 | $560K | — | Filing → |