GRINDSTAFF NICHOLAS M
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to GRINDSTAFF NICHOLAS M. 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 |
|---|---|---|---|---|---|---|
| STRL | Chief Financial Officer (CFO) | Award / Grant | 5,000 | — | — | Jul 10, 2025 |
| 0001108967 | Chief Financial Officer | Award / Grant | 154,106 | — | — | Sep 15, 2022 |
| PWR | VP - Finance and Treasurer | Sale | 8,454 | $101.22 | $855,714 | May 10, 2021 |
| PWR | VP - Finance and Treasurer | Award / Grant | 1,400 | — | — | Mar 26, 2021 |
| PWR | VP - Finance and Treasurer | Award / Grant | 5,772 | — | — | Mar 3, 2021 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 2,624 | $72.02 | $188,980 | Jan 1, 2021 |
| PWR | VP - Finance and Treasurer | Sale | 8,256 | $64.53 | $532,760 | Nov 2, 2020 |
| PWR | VP - Finance and Treasurer | Award / Grant | 3,744 | — | — | Mar 26, 2020 |
| PWR | VP - Finance and Treasurer | Award / Grant | 5,446 | — | — | Mar 4, 2020 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 470 | $39.42 | $18,527 | Feb 28, 2020 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 1,773 | $40.71 | $72,179 | Jan 1, 2020 |
| PWR | VP - Finance and Treasurer | Award / Grant | 2,862 | — | — | Mar 8, 2019 |
| PWR | VP - Finance and Treasurer | Award / Grant | 6,964 | — | — | Feb 28, 2019 |
| PWR | VP - Finance and Treasurer | Award / Grant | 2,886 | — | — | Feb 28, 2018 |
| PWR | VP - Finance and Treasurer | Award / Grant | 2,723 | — | — | Mar 22, 2017 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 27 | $38.13 | $1,030 | Feb 28, 2017 |
| PWR | VP - Finance and Treasurer | Sale | 27,000 | $38.20 | $1,031,400 | Feb 27, 2017 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 714 | $37.24 | $26,589 | Feb 20, 2017 |
| PWR | VP - Finance and Treasurer | Award / Grant | 4,519 | — | — | Mar 30, 2016 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 26 | $20.21 | $525 | Feb 28, 2016 |
| PWR | VP - Finance and Treasurer | Award / Grant | 3,484 | — | — | Mar 16, 2015 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 18 | $28.78 | $518 | Feb 28, 2015 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 319 | $36.10 | $11,516 | Mar 28, 2014 |
| PWR | VP - Finance and Treasurer | Award / Grant | 3,495 | — | — | Mar 12, 2014 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 624 | $35.01 | $21,846 | Feb 28, 2014 |
| PWR | VP - Finance and Treasurer | Award / Grant | 7,027 | — | — | Mar 8, 2013 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 367 | $28.04 | $10,291 | Feb 28, 2013 |
| PWR | VP - Finance and Treasurer | Sale | 250 | $27.12 | $6,780 | Dec 24, 2012 |
| PWR | VP - Finance and Treasurer | Award / Grant | 4,602 | — | — | Mar 9, 2012 |
| PWR | VP - Finance and Treasurer | Tax Withholding | 332 | $21.34 | $7,085 | Feb 28, 2012 |
| PWR | Treasurer | Award / Grant | 3,373 | — | — | Mar 11, 2011 |
| PWR | Treasurer | Tax Withholding | 389 | $22.28 | $8,667 | Feb 28, 2011 |
| PWR | Treasurer | Award / Grant | 3,342 | — | — | Mar 12, 2010 |
| PWR | Treasurer | Tax Withholding | 429 | $19.00 | $8,151 | Feb 28, 2010 |
| PWR | Treasurer | Award / Grant | 3,965 | — | — | Mar 13, 2009 |
| PWR | Treasurer | Tax Withholding | 373 | $17.60 | $6,565 | Feb 28, 2009 |
| PWR | Treasurer | Award / Grant | 3,423 | — | — | Mar 13, 2008 |
| PWR | Treasurer | Tax Withholding | 673 | $25.23 | $16,980 | Feb 28, 2008 |
| PWR | Treasurer | Sale | 1,300 | $28.84 | $37,492 | May 10, 2007 |
| PWR | Treasurer | Award / Grant | 3,934 | — | — | Mar 22, 2007 |
| PWR | Treasurer | Tax Withholding | 666 | $22.68 | $15,105 | Feb 28, 2007 |
| PWR | Treasurer | Sale | 400 | $17.36 | $6,944 | Aug 22, 2006 |
| PWR | Treasurer | Award / Grant | 7,553 | — | — | Mar 10, 2006 |
| PWR | Treasurer | Tax Withholding | 1,902 | $13.81 | $26,267 | Feb 28, 2006 |