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Who

Nicholas M. Grindstaff

Chief Financial Officer (CFO)

Company insider

Files Form 4 as: Chief Financial Officer (CFO), Sterling Infrastructure; Chief Financial Officer, Orbital Infrastructure Group; VP - Finance and Treasurer, Quanta Services.

In numbers

Trades disclosed
101
Buys
0
Sells
6
Bought
$0
Sold
$3.0M
Companies
3
Companies where not an officer
0
First trade
28 Feb 2006
Last trade
10 Jul 2026
Last filed
14 Jul 2026

Companies traded

Where they are an officer
STRL Sterling InfrastructureOfficer · Engineering & Construction · last 10 Jul 20260 buys · 0 sells
Orbital Infrastructure GroupOfficer · last 15 Sep 20220 buys · 0 sells
PWR Quanta ServicesOfficer · Engineering & Construction · last 10 May 20210 buys · 6 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
10 Jul 2026filed 14 Jul 2026STRL Sterling InfrastructureEngineering & ConstructionSEC FORM 4 Code F$379K556 at $682.29filing
10 Jul 2026filed 14 Jul 2026STRL Sterling InfrastructureEngineering & ConstructionSEC FORM 4 Code F$379K556 at $682.29filing
1 Jan 2026filed 5 Jan 2026STRL Sterling InfrastructureEngineering & ConstructionSEC FORM 4 Code A—1,029 at $0.00filing
1 Jan 2026filed 5 Jan 2026STRL Sterling InfrastructureEngineering & ConstructionSEC FORM 4 Code A—1,029 at $0.00filing
31 Dec 2025filed 5 Jan 2026STRL Sterling InfrastructureEngineering & ConstructionSEC FORM 4 Code F$19K61 at $306.23filing
31 Dec 2025filed 5 Jan 2026STRL Sterling InfrastructureEngineering & ConstructionSEC FORM 4 Code F$19K61 at $306.23filing
10 Jul 2025filed 10 Jul 2025STRL Sterling InfrastructureEngineering & ConstructionSEC FORM 4 Code A—5,000 at $0.00filing
10 Jul 2025filed 10 Jul 2025STRL Sterling InfrastructureEngineering & ConstructionSEC FORM 4 Code A—560 at $0.00filing
15 Sep 2022filed 17 Oct 2022Orbital Infrastructure Groupoption or derivativeSEC FORM 4 Code A—500,000filing
15 Sep 2022filed 17 Oct 2022Orbital Infrastructure GroupSEC FORM 4 Code A—154,106filing
10 May 2021filed 12 May 2021PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Sold$856K8,454 at $101.22filing
26 Mar 2021filed 29 Mar 2021PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Code F$41K491 at $83.48filing
25 Mar 2021filed 29 Mar 2021PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Code A—1,400 at $0.00filing
3 Mar 2021filed 5 Mar 2021PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Code A—5,772 at $0.00filing
3 Mar 2021filed 5 Mar 2021PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Code F$179K2,126 at $84.21filing
28 Feb 2021filed 2 Mar 2021PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Code F$33K399 at $83.85filing
1 Jan 2021filed 5 Jan 2021PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Code F$189K2,624 at $72.02filing
2 Nov 2020filed 4 Nov 2020PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Sold$533K8,256 at $64.53filing
26 Mar 2020filed 30 Mar 2020PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Code A—3,744 at $0.00filing
4 Mar 2020filed 6 Mar 2020PWR Quanta ServicesEngineering & ConstructionSEC FORM 4 Code A—5,446 at $0.00filing

Sectors

Industrials6

Buys in green, sells in red, by the company’s sector.

Related people

Katherine HargisGeneral Counsel & CCO · General Counsel & CCO at Sterling Infrastructure, filing Form 4 there in the last year
Joseph A. CutilloChief Executive Officer · Chief Executive Officer at Sterling Infrastructure, filing Form 4 there in the last year
Ellen RubinDirector · Director at Quanta Services, filing Form 4 there in the last year
Daniel P. GovinChief Operating Officer (COO) · Chief Operating Officer (COO) at Sterling Infrastructure, filing Form 4 there in the last year
Mark D. WolfGeneral Counsel, Corporate Sec · General Counsel, Corporate Sec at Sterling Infrastructure, filing Form 4 there in the last year
Gilbert Ray Cisneros, Jr.Representative, CA-31 · Also traded PWR in the last 90 days