SEC CIK 1134710
GRINDSTAFF NICHOLAS M
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| PWRview stock → | 31,868 | 2021-05-10 |
| STRLview stock → | 6,037 | 2026-07-10 |
Position History — PWR
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — PWR
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2021-05-10 | Open-market sale | 8,454 | $101.22 | 31,868 |
| 2021-03-26 | Tax withholding | 491 | $83.48 | 40,322 |
| 2021-03-25 | Grant / award | 1,400 | $0.00 | 40,813 |
| 2021-03-03 | Grant / award | 5,772 | $0.00 | 41,539 |
| 2021-03-03 | Tax withholding | 2,126 | $84.21 | 39,413 |
| 2021-02-28 | Tax withholding | 399 | $83.85 | 35,767 |
| 2021-01-01 | Tax withholding | 2,624 | $72.02 | 36,166 |
| 2020-11-02 | Open-market sale | 8,256 | $64.53 | 38,790 |
| 2020-03-26 | Grant / award | 3,744 | $0.00 | 47,046 |
| 2020-03-04 | Grant / award | 5,446 | $0.00 | 45,055 |
| 2020-03-04 | Tax withholding | 1,753 | $38.56 | 43,302 |
| 2020-02-28 | Tax withholding | 470 | $39.42 | 39,609 |
| 2020-01-01 | Tax withholding | 1,773 | $40.71 | 40,079 |
| 2019-03-08 | Grant / award | 2,862 | $0.00 | 41,852 |
| 2019-02-28 | Grant / award | 6,964 | $0.00 | 39,348 |
| 2019-02-28 | Tax withholding | 358 | $35.97 | 38,990 |
| 2018-02-28 | Grant / award | 2,886 | $0.00 | 32,643 |
| 2018-02-28 | Tax withholding | 259 | $35.04 | 32,384 |
| 2018-02-28 | Grant / award | 3,484 | $0.00 | 29,757 |
| 2017-03-22 | Grant / award | 2,723 | $0.00 | 26,273 |
| 2017-02-28 | Tax withholding | 27 | $38.13 | 23,632 |
| 2017-02-28 | Tax withholding | 18 | $38.13 | 23,614 |
| 2017-02-28 | Tax withholding | 28 | $38.13 | 23,586 |
| 2017-02-28 | Tax withholding | 36 | $38.13 | 23,550 |
| 2017-02-27 | Open-market sale | 27,000 | $38.20 | 23,659 |
| 2017-02-20 | Tax withholding | 714 | $37.24 | 50,659 |
| 2017-02-20 | Grant / award | 2,185 | $0.00 | 51,373 |
| 2016-03-30 | Grant / award | 4,519 | $0.00 | 49,188 |
| 2016-02-28 | Tax withholding | 26 | $20.21 | 44,697 |
| 2016-02-28 | Tax withholding | 11 | $20.21 | 44,686 |
| 2016-02-28 | Tax withholding | 17 | $20.21 | 44,669 |
| 2016-02-28 | Tax withholding | 765 | $20.21 | 45,087 |
| 2016-02-28 | Tax withholding | 364 | $20.21 | 44,723 |
| 2015-03-16 | Grant / award | 3,484 | $0.00 | 45,852 |
| 2015-02-28 | Tax withholding | 18 | $28.78 | 42,368 |
| 2015-02-28 | Tax withholding | 501 | $28.78 | 43,417 |
| 2015-02-28 | Tax withholding | 309 | $28.78 | 42,425 |
| 2015-02-28 | Tax withholding | 39 | $28.78 | 42,386 |
| 2015-02-28 | Tax withholding | 683 | $28.78 | 42,734 |
| 2014-03-28 | Tax withholding | 319 | $36.10 | 43,918 |
| 2014-03-12 | Grant / award | 3,495 | $0.00 | 44,237 |
| 2014-03-12 | Grant / award | 5,325 | $0.00 | 38,557 |
| 2014-03-12 | Grant / award | 2,185 | $0.00 | 40,742 |
| 2014-02-28 | Tax withholding | 624 | $35.01 | 33,232 |
| 2014-02-28 | Tax withholding | 368 | $35.01 | 34,325 |
| 2014-02-28 | Tax withholding | 469 | $35.01 | 33,856 |
| 2013-03-08 | Grant / award | 7,027 | $0.00 | 34,693 |
| 2013-02-28 | Tax withholding | 367 | $28.04 | 28,093 |
| 2013-02-28 | Tax withholding | 427 | $28.04 | 27,666 |
| 2013-02-28 | Tax withholding | 364 | $28.04 | 28,460 |
| 2012-12-24 | Open-market sale | 250 | $27.12 | 35,324 |
| 2012-12-24 | Open-market sale | 3,700 | $27.13 | 31,624 |
| 2012-12-24 | Open-market sale | 2,800 | $27.13 | 28,824 |
| 2012-12-24 | Open-market sale | 1,250 | $27.12 | 35,574 |
| 2012-03-09 | Grant / award | 4,602 | $0.00 | 36,824 |
| 2012-02-28 | Tax withholding | 332 | $21.34 | 32,222 |
| 2012-02-28 | Tax withholding | 342 | $21.34 | 32,554 |
| 2012-02-28 | Tax withholding | 406 | $21.34 | 32,896 |
| 2011-03-11 | Grant / award | 3,373 | $0.00 | 33,302 |
| 2011-02-28 | Tax withholding | 389 | $22.28 | 30,271 |
| 2011-02-28 | Tax withholding | 350 | $22.28 | 30,660 |
| 2011-02-28 | Tax withholding | 342 | $22.28 | 29,929 |
| 2010-03-12 | Grant / award | 3,342 | $0.00 | 31,010 |
| 2010-02-28 | Tax withholding | 429 | $19.00 | 28,473 |
| 2010-02-28 | Tax withholding | 432 | $19.00 | 27,668 |
| 2010-02-28 | Tax withholding | 373 | $19.00 | 28,100 |
| 2009-03-13 | Grant / award | 3,965 | $0.00 | 28,902 |
| 2009-02-28 | Tax withholding | 373 | $17.60 | 24,937 |
| 2009-02-28 | Tax withholding | 385 | $17.60 | 25,310 |
| 2009-02-28 | Tax withholding | 823 | $17.60 | 25,695 |
| 2008-03-13 | Grant / award | 3,423 | $0.00 | 26,518 |
| 2008-02-28 | Tax withholding | 673 | $25.23 | 23,442 |
| 2008-02-28 | Tax withholding | 890 | $25.23 | 24,115 |
| 2008-02-28 | Tax withholding | 347 | $25.23 | 23,095 |
| 2007-05-10 | Open-market sale | 1,300 | $28.84 | 33,083 |
| 2007-05-10 | Open-market sale | 1,300 | $28.89 | 25,905 |
| 2007-05-10 | Open-market sale | 5,878 | $28.85 | 27,205 |
| 2007-05-10 | Open-market sale | 900 | $28.90 | 25,005 |
| 2007-05-10 | Open-market sale | 100 | $28.83 | 34,383 |
| 2007-05-10 | Open-market sale | 522 | $28.82 | 34,483 |
| 2007-03-22 | Grant / award | 3,934 | $0.00 | 35,005 |
| 2007-02-28 | Tax withholding | 666 | $22.68 | 31,071 |
| 2007-02-28 | Tax withholding | 881 | $22.68 | 32,477 |
| 2007-02-28 | Tax withholding | 740 | $22.68 | 31,737 |
| 2006-08-22 | Open-market sale | 400 | $17.36 | 35,026 |
| 2006-08-22 | Open-market sale | 1,668 | $17.38 | 33,358 |
| 2006-08-22 | Open-market sale | 200 | $17.35 | 35,426 |
| 2006-03-10 | Grant / award | 7,553 | $0.00 | 35,626 |
| 2006-02-28 | Tax withholding | 1,902 | $13.81 | 29,507 |
| 2006-02-28 | Tax withholding | 713 | $13.81 | 28,794 |
| 2006-02-28 | Tax withholding | 721 | $13.81 | 28,073 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.