EdgarLookup

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.

PWR STRL
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