| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2020-07-10 | FMR LLC | CARBO CERAMICS INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2020-02-12 | MORRIS WILLIAM C | CARBO CERAMICS INC | 2,928,859 | 10.0% | EDGAR |
| SC 13G/A | 2020-02-07 | FMR LLC | CARBO CERAMICS INC | 3,695,903 | 12.6% | EDGAR |
| SC 13D/A | 2019-07-09 | Wilks Brothers, LLC | CARBO CERAMICS INC | 3,614,915 | 12.4% | EDGAR |
| SC 13G/A | 2019-05-10 | BlackRock Inc. | CARBO CERAMICS INC | 1,291,553 | 4.4% | EDGAR |
| SC 13G/A | 2019-02-13 | FMR LLC | CARBO CERAMICS INC | 3,687,236 | 13.3% | EDGAR |
| SC 13G/A | 2019-02-12 | MORRIS WILLIAM C | CARBO CERAMICS INC | 3,375,622 | 12.2% | EDGAR |
| SC 13G/A | 2019-01-24 | BlackRock Inc. | CARBO CERAMICS INC | 3,000,740 | 10.8% | EDGAR |
| SC 13G/A | 2018-02-13 | FMR LLC | CARBO CERAMICS INC | 3,523,443 | 13.0% | EDGAR |
| SC 13G/A | 2018-02-13 | MORRIS WILLIAM C | CARBO CERAMICS INC | 3,375,622 | 12.4% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | CARBO CERAMICS INC | 1,224,496 | 4.5% | EDGAR |
| SC 13G/A | 2018-01-19 | BlackRock Inc. | CARBO CERAMICS INC | 2,810,505 | 10.4% | EDGAR |
| SC 13D/A | 2017-05-22 | Wilks Brothers, LLC | CARBO CERAMICS INC | 3,344,915 | 12.1% | EDGAR |
| SC 13D/A | 2017-05-09 | Wilks Brothers, LLC | CARBO CERAMICS INC | 3,093,307 | 11.3% | EDGAR |
| SC 13G/A | 2017-04-03 | MORRIS WILLIAM C | CARBO CERAMICS INC | 3,375,622 | 12.4% | EDGAR |
| SC 13D/A | 2017-03-10 | Wilks Brothers, LLC | CARBO CERAMICS INC | 2,594,733 | 9.5% | EDGAR |
| SC 13G/A | 2017-02-14 | FMR LLC | CARBO CERAMICS INC | 3,520,200 | 13.1% | EDGAR |
| SC 13G/A | 2017-02-14 | BALYASNY ASSET MANAGEMENT LLC | CARBO CERAMICS INC | - | 0.0% | EDGAR |
| SC 13G | 2017-02-14 | SOUTHERNSUN ASSET MANAGEMENT, LLC | CARBO CERAMICS INC | 270 | 0.0% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | CARBO CERAMICS INC | 1,665,486 | 6.2% | EDGAR |