The United States market has shown robust performance, climbing 2.2% in the last week and rising 21% over the past year, with earnings expected to grow by 17% annually. In such a dynamic environment, identifying promising small-cap stocks with insider activity can offer unique opportunities for investors seeking value.

Top 10 Undervalued Small Caps With Insider Buying In The United States

Name	PE	PS	Discount to Fair Value	Value Rating
Onterris	NA	0.7x	52.97%	★★★★★☆
Enovis	NA	0.6x	28.03%	★★★★★☆
Bank of Marin Bancorp	NA	7.4x	28.55%	★★★★☆☆
Shore Bancshares	11.9x	3.4x	34.95%	★★★★☆☆
Kingstone Companies	7.9x	1.2x	44.84%	★★★★☆☆
Similarweb	NA	2.2x	17.34%	★★★★☆☆
Auburn National Bancorporation	10.9x	2.7x	9.77%	★★★☆☆☆
German American Bancorp	13.1x	4.9x	25.82%	★★★☆☆☆
Union Bankshares	9.0x	1.9x	15.58%	★★★☆☆☆
Orion Group Holdings	110.0x	0.4x	45.23%	★★★☆☆☆

We're going to check out a few of the best picks from our screener tool.

GBank Financial Holdings (GBFH)

Simply Wall St Value Rating: ★★★★☆☆

Overview: GBank Financial Holdings operates primarily in the banking sector, focusing on providing financial services and products, with a market cap of $1.05 billion.

Operations: GBFH derives its revenue primarily from the banking segment, with a recent revenue figure of $75.31 million. The company consistently reports a gross profit margin of 100%, indicating no cost of goods sold is recorded. Operating expenses are significant, with general and administrative expenses being the largest component, reaching $36.47 million in the latest period. Net income margins have shown variability, recently at 24.54%.

PE: 16.3x

GBank Financial Holdings, a smaller player in the financial sector, has recently seen insider confidence with share purchases. Despite being dropped from several Russell indices by June 2026, their Q2 earnings showed net interest income rising to US$12.8 million from US$12.39 million the previous year. However, challenges persist with high non-performing loans at 5.2% and a low allowance for these bad loans at 23%. Leadership changes include Olivia M. Caley stepping in as interim CFO amidst executive turnover.

Coastal Financial (CCB)

Simply Wall St Value Rating: ★★★☆☆☆

Overview: Coastal Financial operates as a bank holding company providing commercial and retail banking services, with a market capitalization of approximately $0.49 billion.

Operations: CCB generates revenue primarily through its operations, with a consistent gross profit margin of 100%. The company's net income margin has shown variability, reaching as high as 29.33% in mid-2021 and recently dropping to -1.06% by mid-2026. Operating expenses are significant, with general and administrative expenses comprising a large portion of these costs.

PE: -193.0x

Coastal Financial, a company with a market cap under US$1 billion, has recently faced challenges, reporting a net loss of US$42.11 million for Q2 2026 despite increased net interest income of US$89.37 million. Insider confidence is evident through share purchases in recent months, hinting at potential future growth. Recent strategic partnerships like the one with Pliant could enhance its market position in the U.S., while leadership changes aim to strengthen long-term strategy and governance.

Huntsman (HUN)

Simply Wall St Value Rating: ★★★☆☆☆

Overview: Huntsman is a global manufacturer and marketer of differentiated chemicals with a market cap of approximately $5.6 billion, primarily operating in the polyurethanes, advanced materials, and performance products segments.

Operations: The company's revenue streams are primarily derived from Polyurethanes, Advanced Materials, and Performance Products. Over recent periods, the gross profit margin has shown a declining trend, reaching 13.50% by mid-2026. Operating expenses have remained significant relative to gross profit across the reported periods.

PE: -10.8x

Huntsman, a notable player in the chemical industry, recently reported Q2 2026 sales of US$1.66 billion, up from US$1.46 billion a year earlier, despite a net loss of US$6 million compared to last year's US$158 million loss. The company's addition to the Russell 2000 Index highlights its small-cap status. Insider confidence is evident with recent share purchases, signaling potential value recognition within management ranks. A merger with Olin Corporation aims for growth and enhanced shareholder value by mid-2027.

Where To Now?

• Explore the 62 names from our Undervalued US Small Caps With Insider Buying screener here.
• Shareholder in one or more of these companies? Ensure you're never caught off-guard by adding your portfolio in Simply Wall St for timely alerts on significant stock developments.
• Streamline your investment strategy with Simply Wall St's app for free and benefit from extensive research on stocks across all corners of the world.

Searching for a Fresh Perspective?

• Explore high-performing small cap companies that haven't yet garnered significant analyst attention.
• Fuel your portfolio with companies showing strong growth potential, backed by optimistic outlooks both from analysts and management.
• Find companies with promising cash flow potential yet trading below their fair value.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.