Joseph Timothy Grumski serves as Executive at PERMA FIX ENVIRONMENTAL SERVICES INC, where they oversee executive responsibilities. Since joining the company, Joseph Timothy Grumski has executed 20 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Jan 2, 2026 involved receiving (via award) 1,840 shares valued at $17.4K.
Joseph Timothy Grumski currently holds 64,028 shares of PERMA FIX ENVIRONMENTAL SERVICES INC (PESI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Joseph Timothy Grumski has been a net neutral trader of PESI stock. They have purchased $0 and sold $0 worth of shares.
Joseph Timothy Grumski's most recent insider trade was on Jan 2, 2026, when they sold 1,840 shares at $9.44 per share.
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| $7.58 |
| Discretionary |
| Jul 1, 2025 | PESI | $17.4K | Award | 2,202 | $7.89 | Discretionary |
| Apr 1, 2024 | PESI | $16.9K | Award | 1,892 | $8.92 | Discretionary |
| Jan 2, 2024 | PESI | $16.9K | Award | 2,863 | $5.90 | Discretionary |
| Oct 2, 2023 | PESI | $16.4K | Award | 2,089 | $7.84 | Discretionary |
| Jul 3, 2023 | PESI | $16.9K | Award | 2,049 | $8.24 | Discretionary |
| Apr 3, 2023 | PESI | $17.4K | Award | 1,967 | $8.84 | Discretionary |
| Jan 3, 2023 | PESI | $16.9K | Award | 6,374 | $2.65 | Discretionary |
| Oct 3, 2022 | PESI | $16.9K | Award | 5,022 | $3.36 | Discretionary |
| Jul 1, 2022 | PESI | $16.9K | Award | 4,335 | $3.89 | Discretionary |
| Apr 1, 2022 | PESI | $16.9K | Award | 4,069 | $4.15 | Discretionary |
| Jan 3, 2022 | PESI | $17.4K | Award | 3,660 | $4.75 | Discretionary |
| Oct 1, 2021 | PESI | $17.4K | Award | 3,484 | $4.99 | Discretionary |
| Jul 1, 2021 | PESI | $16.9K | Award | 3,147 | $5.36 | Discretionary |
| Apr 1, 2021 | PESI | $16.2K | Award | 2,943 | $5.50 | Discretionary |
| Jan 4, 2021 | PESI | $9.0K | Award | 2,010 | $4.48 | Discretionary |
| Oct 1, 2020 | PESI | $9.0K | Award | 1,702 | $5.29 | Discretionary |
| Jul 1, 2020 | PESI | $9.5K | Award | 1,982 | $4.79 | Discretionary |
| Apr 1, 2020 | PESI | $5.0K | Award | 1,282 | $3.91 | Discretionary |