Dan H. Wilks, 10% Owner, Ten Percent Owner Other at CARBO CERAMICS INC (CRR), bought 134,356 shares at $8.57 ($1.2M) on 2017-11-14, disclosed to the SEC on 2017-12-29.
Open-market purchase of $1.2M CRR by 10% Owner, Ten Percent Owner Other. 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.
| Filing → |
| ACDC | BUY | 2025-08-18 | $10.0M | — | Filing → |
| ACDC | BUY | 2025-05-14 | $232K | — | Filing → |
| ACDC | BUY | 2024-09-11 | $3.4M | — | Filing → |