Charles W. Newhall III, 10% Owner at HYPERION THERAPEUTICS INC (HPTX), bought 677,481 shares at $10.00 ($5.0M) on 2012-07-31, disclosed to the SEC on 2012-08-02.
Open-market purchase of $5.0M HPTX 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 | 177,481 | $0 | 0.0% |
| 2 | $10.00 | 500,000 | $5.0M | 100.0% |
| Total | $7.38 avg | 677,481 | $5.0M | 100% |
| Filing → |
| SUPN | SELL | 2025-08-27 | $45K | — | Filing → |
| SUPN | SELL | 2025-08-26 | $64K | — | Filing → |
| SUPN | SELL | 2024-11-12 | $388K | — | Filing → |