Kolstad Gary A is a corporate insider at CARBO CERAMICS INC (CRR) filing SEC Form 4 transactions. 100 transactions across 3 companies, totaling $1,133,375 in purchases and $54,655 in sales. Source: SEC EDGAR.
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
RPC INC RES | Award | 8,814 | - | - | 11,834 | 8/1/2025 Filed: 8/5/2025 | Filing → |
| Award | 4,651 | - | - | 4,651 | 8/1/2025 Filed: 8/5/2025 | Filing → | |
CARBO CERAMICS INC CRR | Sale | 86,757 | $0.02 | $2K | 431,900 | 6/12/2020 Filed: 7/6/2020 | Filing → |
CARBO CERAMICS INC CRR | Exercise | 12,000 | $0.00 | $0 | 24,000 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Exercise | 6,963 | $0.00 | $0 | 6,963 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Exercise | 30,906 | $0.00 | $0 | 0 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Disposition | 12,000 | $0.20 | $2K | 518,657 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Exercise | 12,000 | - | - | 530,657 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Disposition | 6,963 | $0.20 | $1K | 518,657 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Exercise | 6,963 | - | - | 525,620 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Disposition | 30,906 | $0.20 | $6K | 518,657 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Exercise | 30,906 | - | - | 549,563 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Tax Payment | 18,993 | $0.20 | $4K | 518,657 | 2/1/2020 Filed: 2/4/2020 | Filing → |
CARBO CERAMICS INC CRR | Purchase | 25,000 | $1.18 | $30K | 537,650 | 8/7/2019 Filed: 8/7/2019 | Filing → |
CARBO CERAMICS INC CRR | Purchase | 17,650 | $1.12 | $20K | 512,650 | 7/30/2019 Filed: 7/30/2019 | Filing → |
CARBO CERAMICS INC CRR | Purchase | 32,350 | $1.03 | $33K | 495,000 | 7/29/2019 Filed: 7/30/2019 | Filing → |
CARBO CERAMICS INC CRR | Exercise | 6,962 | - | - | 13,926 | 2/1/2019 Filed: 2/4/2019 | Filing → |
CARBO CERAMICS INC CRR | Exercise | 30,906 | - | - | 30,906 | 2/1/2019 Filed: 2/4/2019 | Filing → |
CARBO CERAMICS INC CRR | Disposition | 6,962 | $4.10 | $29K | 462,650 | 2/1/2019 Filed: 2/4/2019 | Filing → |
CARBO CERAMICS INC CRR | Exercise | 6,962 | - | - | 469,612 | 2/1/2019 Filed: 2/4/2019 | Filing → |
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