Gary A. Kolstad serves as Executive at CARBO CERAMICS INC, where they oversee executive responsibilities. Since joining the company, Gary A. Kolstad has executed 90 insider transactions totaling $1.2M, demonstrating a bullish approach to their equity position. Their most recent transaction on Aug 1, 2025 involved receiving (via award) 4,651 shares valued at $0.
Gary A. Kolstad currently holds 4,651 shares of CARBO CERAMICS INC (CRR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Gary A. Kolstad has been a net buyer of CRR stock. They have purchased $1.1M and sold $54.7K worth of shares.
Gary A. Kolstad's most recent insider trade was on Aug 1, 2025, when they sold 4,651 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Jun 12, 2020 | CRR | $1.7K | Sale | 86,757 | $0.02 | Discretionary |
| Feb 1, 2020 | CRR | $1.5K | Disposition | 6,963 | $0.21 | Discretionary |
| Feb 1, 2020 | CRR | $4.0K | Payment | 18,993 | $0.21 | Discretionary |
| Feb 1, 2020 | CRR | $0 | Option Exercise | 30,906 | $N/A | Discretionary |
| Feb 1, 2020 | CRR | $6.5K | Disposition | 30,906 | $0.21 | Discretionary |
| Feb 1, 2020 | CRR | $0 | Option Exercise | 6,963 | $N/A | Discretionary |
| Feb 1, 2020 | CRR | $0 | Option Exercise | 12,000 | $N/A | Discretionary |
| Feb 1, 2020 | CRR | $2.5K | Disposition | 12,000 | $0.21 | Discretionary |
| Aug 7, 2019 | CRR | $29.5K | Purchase | 25,000 | $1.18 | Discretionary |
| Jul 30, 2019 | CRR | $19.8K | Purchase | 17,650 | $1.12 | Discretionary |
| Jul 29, 2019 | CRR | $33.3K | Purchase | 32,350 | $1.03 | Discretionary |
| Feb 1, 2019 | CRR | $126.7K | Disposition | 30,906 | $4.10 | Discretionary |
| Feb 1, 2019 | CRR | $0 | Option Exercise | 6,962 | $N/A | Discretionary |
| Feb 1, 2019 | CRR | $28.5K | Disposition | 6,962 | $4.10 | Discretionary |
| Feb 1, 2019 | CRR | $0 | Option Exercise | 30,906 | $N/A | Discretionary |
| Feb 1, 2019 | CRR | $69.7K | Payment | 17,001 | $4.10 | Discretionary |
| Jan 21, 2019 | CRR | $411.6K | Award | 84,000 | $4.90 | Discretionary |
| Dec 4, 2018 | CRR | $47.7K | Purchase | 10,000 | $4.77 | Discretionary |
| May 17, 2018 | CRR | $42.6K | Purchase | 4,000 | $10.65 | Discretionary |
| May 8, 2018 | CRR | $26.7K | Purchase | 3,000 | $8.90 | Discretionary |
| May 3, 2018 | CRR | $26.7K | Purchase | 3,000 | $8.89 | Discretionary |
| May 1, 2018 | CRR | $84.9K | Purchase | 10,000 | $8.49 | Discretionary |
| Feb 1, 2018 | CRR | $241.7K | Disposition | 30,906 | $7.82 | Discretionary |
| Feb 1, 2018 | CRR | $0 | Option Exercise | 30,906 | $N/A | Discretionary |
| Feb 1, 2018 | CRR | $97.6K | Payment | 12,484 | $7.82 | Discretionary |
| Jan 15, 2018 | CRR | $1.2M | Award | 100,000 | $12.16 | Discretionary |
| May 3, 2017 | CRR | $127.4K | Purchase | 20,000 | $6.37 | Discretionary |
| Jan 16, 2017 | CRR | $0 | Award | 50,000 | $N/A | Discretionary |