Insider Trading & Ownership of NICHOLAS M. GRINDSTAFF

Location: Houston, TX
Summary: The estimated net worth of NICHOLAS M. GRINDSTAFF is at least $8.04M dollars as of 10 Jul 2025. NICHOLAS M. GRINDSTAFF is the VP - Finance and Treasurer of QUANTA SERVICES, INC. and owns shares of QUANTA SERVICES, INC. (PWR) stock worth about $6.88M. NICHOLAS M. GRINDSTAFF is the Chief Financial Officer (CFO) of STERLING INFRASTRUCTURE, INC. and owns shares of STERLING INFRASTRUCTURE, INC. (STRL) stock worth about $927K. NICHOLAS M. GRINDSTAFF is the Chief Financial Officer of Orbital Infrastructure Group, Inc. and owns shares of Orbital Infrastructure Group, Inc. stock worth about $240K.
Signature: Nicholas M. Grindstaff
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Ownership of NICHOLAS M. GRINDSTAFF

Symbol	Company	Relationship	Holdings Value	Report Period
PWR	QUANTA SERVICES, INC.	VP - Finance and Treasurer	$6.88M	10 May 2021
STRL	STERLING INFRASTRUCTURE, INC.	Chief Financial Officer (CFO)	$927K	10 Jul 2025
OIGBQ	Orbital Infrastructure Group, Inc.	Chief Financial Officer	$240K	15 Sep 2022

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.