Nicholas M. Grindstaff

Treasurer, Quanta Services.

Companies

STERLING INFRASTRUCTURE, INC.Chief financial officer Jul 10, 2025 to now¹
Orbital Infrastructure Group, Inc.Chief financial officer Nov 23, 2021 to Oct 17, 2022²
Quanta ServicesTreasurer Mar 2, 2006 to May 12, 2021³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

STERLING INFRASTRUCTURE, INC. STRL6,037 shares⁴$2.6M at $425.65Jul 10, 2026
Orbital Infrastructure Group, Inc.296,052 shares⁵Sep 15, 2022

As of each latest filing. The line shows shares held over time.

Recent filings

Jul 10, 2026Shares withheld for tax 556 shares at $682.29 of STERLING INFRASTRUCTURE, INC.⁴
Jan 1, 2026Granted 1,029 shares of STERLING INFRASTRUCTURE, INC.⁶
Dec 31, 2025Shares withheld for tax 61 shares at $306.23 of STERLING INFRASTRUCTURE, INC.⁶
Jul 10, 2025Granted 560 shares of STERLING INFRASTRUCTURE, INC.⁷
Jul 10, 2025Granted 5,000 shares of STERLING INFRASTRUCTURE, INC.⁷
Sep 15, 2022Granted 154,106 shares of Orbital Infrastructure Group, Inc.⁵

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARSTERLING INFRASTRUCTURE, INC., Chief financial officer
2
SEC EDGAROrbital Infrastructure Group, Inc., Chief financial officer
3
SEC EDGARQuanta Services, Treasurer
4
SEC EDGARSTERLING INFRASTRUCTURE, INC. shares after the filing of Jul 10, 2026
5
SEC EDGAROrbital Infrastructure Group, Inc. shares after the filing of Sep 15, 2022
6
SEC EDGARForm 4 filed Jan 5, 2026
7
SEC EDGARForm 4 filed Jul 10, 2025