Gary A. Kolstad, President and CEO at CARBO CERAMICS INC (CRR), bought 20,000 shares at $6.37 ($127K) on 2017-05-03, disclosed to the SEC on 2017-05-03.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Clearly above the average filing.
| Filing → |
| CRR | BUY | 2019-07-30 | $53K | — | Filing → |
| CRR | BUY | 2018-12-04 | $48K | — | Filing → |
| CRR | BUY | 2018-05-17 | $43K | — | Filing → |