Duff Mark
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Duff Mark. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| PESI | President and CEO | Purchase | 897 | $8.05 | $7,221 | Sep 11, 2025 |
| PESI | President and CEO | Purchase | 750 | $7.02 | $5,265 | Mar 21, 2025 |
| PESI | President and CEO | Purchase | 500 | $7.20 | $3,600 | Mar 18, 2025 |
| PESI | President and CEO | Tax Withholding | 7,443 | $10.58 | $78,747 | Jan 8, 2025 |
| PESI | President and CEO | Purchase | 500 | $10.48 | $5,240 | Sep 3, 2024 |
| PESI | President and CEO | Purchase | 750 | $7.27 | $5,453 | Dec 1, 2023 |
| PESI | President and CEO | Option Exercise | 100,000 | $3.65 | $365,000 | May 22, 2023 |
| PESI | President and CEO | Purchase | 1,000 | $3.89 | $3,890 | Nov 22, 2022 |
| PESI | President and CEO | Purchase | 1,000 | $4.75 | $4,750 | Sep 7, 2022 |
| PESI | President and CEO | Purchase | 78 | $5.60 | $437 | May 12, 2022 |
| PESI | President and CEO | Tax Withholding | 33,474 | $5.93 | $198,501 | May 9, 2022 |
| PESI | President and CEO | Purchase | 600 | $6.50 | $3,900 | Dec 17, 2021 |
| PESI | President and CEO | Purchase | 500 | $5.85 | $2,925 | Dec 29, 2020 |
| PESI | President and CEO | Purchase | 500 | $6.20 | $3,100 | Nov 9, 2020 |
| PESI | President and CEO | Purchase | 500 | $6.92 | $3,460 | Aug 12, 2020 |
| PESI | President and CEO | Purchase | 500 | $5.10 | $2,550 | Mar 30, 2020 |
| PESI | President and CEO | Purchase | 1,000 | $4.15 | $4,150 | Mar 23, 2020 |
| PESI | President and CEO | Purchase | 1,000 | $3.75 | $3,750 | Aug 14, 2019 |
| PESI | President and CEO | Purchase | 500 | $3.70 | $1,850 | May 14, 2019 |
| PESI | President and CEO | Purchase | 100 | $2.20 | $220 | Dec 28, 2018 |
| PESI | President and CEO | Purchase | 1 | $2.63 | $3 | Dec 17, 2018 |
| PESI | President and CEO | Purchase | 700 | $3.55 | $2,485 | Nov 9, 2018 |
| PESI | Executive Vice President/COO | Purchase | 1,500 | $3.40 | $5,100 | Aug 14, 2017 |
| PESI | Executive Vice President/COO | Purchase | 3,000 | $3.15 | $9,450 | Mar 27, 2017 |