Carleton A. Holstrom, Director at PROTALEX INC (PRTX.OB), bought 8,150 shares at $1.30 ($11K) on 2007-10-31, disclosed to the SEC on 2007-11-01.
Open-market purchase of $11k PRTX.OB 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1.30 | 3,150 | $4K | 38.7% |
| 2 | $1.30 | 5,000 | $7K | 61.3% |
| Total | $1.30 avg | 8,150 | $11K | 100% |
| Filing → |