PRIM Stock: Insider Activity, Filings & Research

Primoris Services Corporation (PRIM) — Drillr’s hub for PRIM insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, PRIM insiders filed 2 open-market buys and 9 sales (SEC Form 4).

Sentiment

17/100

Buys (3m)

Sells (3m)

Net (3m)

-$5.2M

Insiders buying

Insider trades by month Buys Sells

Nov

Dec

Jan

Apr

May

Jun

Context3-month price -12.6%Institutions mixed (13F)

Date	Insider	Type	Shares	Price
Jun 1, 2026	Vadlamudi Kotidirector, officer: PRESIDENT & CEO	Buy	7,815	$127.96
May 29, 2026	Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER	Sell	6,017	$127.66
May 29, 2026	Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER	Sell	5,855	$129.85
May 29, 2026	Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER	Sell	6,147	$128.65
May 29, 2026	Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER	Sell	2,133	$125.75
May 29, 2026	Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER	Sell	9,450	$126.68
May 29, 2026	Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER	Sell	105	$130.26
May 28, 2026	Vadlamudi Kotidirector, officer: PRESIDENT & CEO	Grant	7,815	$127.96
May 28, 2026	King David Leedirector	Sell	3,750	$120.27
May 28, 2026	King David Leedirector	Sell	12,333	$118.55
May 28, 2026	King David Leedirector	Sell	3,917	$119.66
May 1, 2026	Wagner Patricia Kdirector	Grant	268	$37500.00
May 1, 2026	Ching Michael E.director	Grant	268	$37500.00
May 1, 2026	MCCALLISTER TERRY Ddirector	Grant	268	$37500.00
May 1, 2026	MASHINSKI CARLA Sdirector	Grant	268	$37500.00

Source: PRIM SEC Form 4 filings, latest Jun 1, 2026. For informational purposes only — not investment advice.

Overview

Primoris Services Corporation (NASDAQ:PRIM) is a specialty contractor company founded in 1960 and headquartered in Dallas, Texas. The company went public in 2008 and has grown through both organic expansion and strategic acquisitions to become a leading provider of infrastructure construction and maintenance services across the United States and Canada. Primoris operates as a diversified infrastructure solutions provider, serving critical sectors including utilities, renewable energy, telecommunications, and pipeline infrastructure.

Business

Primoris operates as a specialty contractor in the engineering and construction industry, providing comprehensive infrastructure services across three main business segments. The company's work spans the entire lifecycle of infrastructure projects, from initial construction to ongoing maintenance and replacement services. The Utilities segment represents approximately 40-45% of total revenue and focuses on essential infrastructure for gas distribution, electric power systems, and telecommunications networks. This includes installing and maintaining natural gas distribution pipelines for residential and commercial customers, constructing and upgrading electrical transmission and distribution lines that carry power from generation facilities to end users, and building fiber optic and communications infrastructure that enables internet, phone, and data services. Much of this work involves both emergency response services when storms or other events damage infrastructure, as well as routine maintenance contracts with utility companies. The Energy/Renewables segment generates approximately 50-55% of revenue and encompasses a broad range of construction and engineering services for energy infrastructure projects. This segment has become increasingly focused on renewable energy, particularly utility-scale solar installations where Primoris ranks as the #2 solar engineering, procurement, and construction (EPC) contractor nationally. The company constructs large solar farms that can generate hundreds of megawatts of electricity, installs battery energy storage systems that store renewable energy for later use, and provides ongoing operations and maintenance services for these facilities. The segment also includes traditional industrial construction for petroleum refineries, petrochemical plants, and increasingly, natural gas power generation facilities that support data centers and provide backup power for renewable energy systems. The Pipeline Services segment accounts for the remaining 5-10% of revenue and specializes in constructing and maintaining pipeline infrastructure for oil, gas, and utility companies. This includes building new pipeline systems, installing compressor stations that move materials through pipelines, and providing integrity services that ensure pipeline safety and regulatory compliance.

Competitive moat

Primoris operates in a fragmented specialty contracting industry where competitive advantages are primarily operational rather than structural. The company's strongest moat elements include its specialized technical capabilities, established customer relationships, and geographic market positions. The company has developed specialized expertise in complex infrastructure projects that require specific technical knowledge, safety certifications, and equipment. This is particularly evident in utility-scale solar construction, high-voltage electrical work, and pipeline integrity services where regulatory requirements and technical complexity create barriers to entry for generalist contractors. Primoris's track record as the #2 solar EPC contractor nationally demonstrates this expertise advantage. Customer relationships and master service agreements provide some defensive characteristics, as utility companies prefer working with proven contractors who understand their systems and can respond quickly to emergencies. These relationships often span decades and create switching costs for customers who would need to retrain new contractors on their specific infrastructure and procedures. However, the company's moat is relatively narrow. The construction industry remains highly competitive with low barriers to entry for many types of work. Large projects are typically awarded through competitive bidding where price is a primary factor, limiting pricing power. Regional competitors can often match Primoris's capabilities in specific markets, and the company faces ongoing pressure from labor shortages and material cost inflation that affect the entire industry. Additionally, the cyclical nature of infrastructure spending and the project-based revenue model create inherent volatility that limits the sustainability of competitive advantages.

Risks & safety

Primoris demonstrates a moderate margin of safety with solid financial fundamentals but some leverage concerns. • Liquidity and solvency: Strong current ratio of 1.22x and $352 million in cash provides adequate short-term liquidity. Free cash flow of $26 million in Q1 2025 shows positive cash generation, though this varies significantly by quarter due to project timing. • Debt levels: Debt-to-equity ratio of 0.73x represents manageable leverage, though this has fluctuated between 0.7x-1.0x in recent quarters. Net debt-to-EBITDA under 1.4x indicates reasonable coverage. • Valuation metrics: Trading at 17.5x P/E and 10.4x EV/EBITDA suggests modest valuation relative to earnings. Price-to-book of 2.14x reflects some premium to tangible assets. • Operational considerations: $11.9 billion backlog provides revenue visibility, though project-based business model creates inherent volatility. Working capital requirements can strain cash flow during project ramp-up periods.

Recent development

Over the past several years, Primoris has executed a strategic transformation focused on higher-growth, higher-margin infrastructure markets while reducing exposure to volatile pipeline construction. The company's most significant pivot has been its aggressive expansion in renewable energy, particularly utility-scale solar where revenue grew from approximately $400 million in 2022 to nearly $2 billion in 2024. This growth was achieved through organic expansion of project teams from 15 to 17 crews and strategic market positioning that established Primoris as the #2 solar EPC contractor nationally. The company has also diversified its renewable energy capabilities beyond basic solar construction to include battery energy storage systems, operations and maintenance services, and electric balance of system solutions. These adjacencies represent higher-margin opportunities that extend Primoris's relationship with clients beyond initial construction. Management is now tracking $8-10 billion in solar opportunities over the next several years and expects renewable revenue to stabilize at $300-400 million annually post-2025. In the utilities segment, Primoris has focused on improving profitability through contract renegotiation and shifting the revenue mix toward higher-margin project work versus lower-margin master service agreements. The company restructured its organizational approach and is targeting a 60-40 or 65-35 ratio of MSA to project work to optimize margins while maintaining stable revenue streams. Recent strategic developments include exploring natural gas power generation opportunities, particularly related to data center development where the company is evaluating approximately $1 billion in potential projects. The company has also maintained strong positioning in communications infrastructure to benefit from ongoing fiber optic network expansion and 5G deployment.

PRIM company profile · for informational purposes only — not investment advice.

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