Warren F. Kruger serves as Executive at GREYSTONE LOGISTICS, INC., where they oversee executive responsibilities. Since joining the company, Warren F. Kruger has executed 138 insider transactions totaling $905.0K, demonstrating a bullish approach to their equity position. Their most recent transaction on Dec 22, 2025 involved purchasing 17,500 shares valued at $10.2K.
Warren F. Kruger currently holds 8,884,354 shares of GREYSTONE LOGISTICS, INC. (GLGI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Warren F. Kruger has been a net buyer of GLGI stock. They have purchased $905.0K and sold $0 worth of shares.
Warren F. Kruger's most recent insider trade was on Dec 22, 2025, when they purchased 17,500 shares at $0.58 per share.
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| $0.71 |
| Discretionary |
| Feb 1, 2023 | GLGI | $2.3K | Purchase | 5,000 | $0.46 | Discretionary |
| Oct 14, 2021 | GLGI | $504 | Purchase | 450 | $1.12 | Discretionary |
| Oct 13, 2020 | GLGI | $1.8K | Purchase | 2,000 | $0.88 | Discretionary |
| Oct 13, 2020 | GLGI | $2.7K | Purchase | 3,000 | $0.90 | Discretionary |
| Sep 4, 2020 | GLGI | $1.0K | Purchase | 1,000 | $1.02 | Discretionary |
| Jan 17, 2020 | GLGI | $4.5K | Purchase | 10,000 | $0.45 | Discretionary |
| Jan 17, 2020 | GLGI | $4.5K | Purchase | 10,000 | $0.45 | Discretionary |
| Sep 13, 2019 | GLGI | $795 | Purchase | 1,500 | $0.53 | Discretionary |
| Sep 12, 2019 | GLGI | $1.4K | Purchase | 2,500 | $0.54 | Discretionary |
| Feb 11, 2019 | GLGI | $56.8K | Purchase | 96,200 | $0.59 | Discretionary |
| Nov 2, 2018 | GLGI | $25.7K | Purchase | 51,429 | $0.50 | Discretionary |
| Nov 2, 2018 | GLGI | $47.7K | Purchase | 95,479 | $0.50 | Discretionary |
| May 31, 2017 | GLGI | $450 | Purchase | 1,500 | $0.30 | Discretionary |
| May 18, 2017 | GLGI | $600 | Purchase | 2,000 | $0.30 | Discretionary |
| May 8, 2017 | GLGI | $750 | Purchase | 2,500 | $0.30 | Discretionary |
| May 4, 2017 | GLGI | $750 | Purchase | 2,500 | $0.30 | Discretionary |
| May 3, 2017 | GLGI | $80 | Purchase | 2,000 | $0.04 | Discretionary |
| May 3, 2017 | GLGI | $1.7K | Purchase | 5,500 | $0.31 | Discretionary |
| Apr 25, 2017 | GLGI | $750 | Purchase | 2,500 | $0.30 | Discretionary |
| Apr 25, 2017 | GLGI | $750 | Purchase | 2,500 | $0.30 | Discretionary |
| Apr 19, 2017 | GLGI | $700 | Purchase | 2,500 | $0.28 | Discretionary |
| Apr 19, 2017 | GLGI | $290 | Purchase | 1,000 | $0.29 | Discretionary |
| Apr 19, 2017 | GLGI | $1.4K | Purchase | 5,000 | $0.28 | Discretionary |
| Apr 18, 2017 | GLGI | $2.6K | Purchase | 8,750 | $0.30 | Discretionary |
| Apr 18, 2017 | GLGI | $2.0K | Purchase | 6,500 | $0.31 | Discretionary |
| Apr 18, 2017 | GLGI | $375 | Purchase | 1,250 | $0.30 | Discretionary |
| Apr 17, 2017 | GLGI | $6.2K | Purchase | 20,000 | $0.31 | Discretionary |
| Apr 17, 2017 | GLGI | $3.0K | Purchase | 10,000 | $0.30 | Discretionary |