In the last week, the United States market has remained flat, but it has experienced a robust 17% rise over the past 12 months, with earnings projected to grow by 18% annually. In this environment, identifying stocks that are potentially undervalued and exhibit insider buying activity can be an intriguing strategy for investors seeking opportunities in small-cap companies.

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

Name	PE	PS	Discount to Fair Value	Value Rating
Appian	2102.8x	2.4x	32.71%	★★★★★☆
Industrial Logistics Properties Trust	NA	1.4x	36.25%	★★★★★☆
Kingstone Companies	9.3x	1.3x	36.40%	★★★★☆☆
Similarweb	NA	2.0x	22.26%	★★★★☆☆
Modiv Industrial	NA	4.0x	47.23%	★★★★☆☆
AVITA Medical	NA	2.2x	2.05%	★★★★☆☆
Union Bankshares	9.6x	2.0x	12.75%	★★★☆☆☆
Bank of the James Financial Group	11.0x	2.4x	14.86%	★★★☆☆☆
Patria Investments	24.5x	4.4x	7.88%	★★★☆☆☆
Angel Studios	NA	2.1x	6.44%	★★★☆☆☆

Let's dive into some prime choices out of from the screener.

Commercial Bancgroup (CBK)

Simply Wall St Value Rating: ★★★☆☆☆

Overview: Commercial Bancgroup operates primarily in the banking sector with a focus on providing financial services, and it has a market capitalization of $1.25 billion.

Operations: The company generates revenue primarily from its banking segment, with the most recent figure at $91.06 million. Operating expenses have fluctuated, recently recorded at $41.39 million, impacting net income outcomes. Notably, the gross profit margin has consistently been 100%, indicating that all reported revenues translate directly into gross profit without any cost of goods sold (COGS).

PE: 12.1x

Commercial Bancgroup, a smaller player in the financial sector, recently faced index exclusions on June 27, 2026. Despite this setback, they reported a net income increase to US$9.53 million for Q1 2026 from US$8.69 million the previous year. Insider confidence is evident with share purchases announced on April 27, 2026. A buyback program of up to US$10 million underscores their strategic focus on shareholder value amid anticipated earnings growth of 7.5% annually.

Appian (APPN)

Simply Wall St Value Rating: ★★★★★☆

Overview: Appian is a software company specializing in low-code automation platforms, with a market capitalization of approximately $3.88 billion.

Operations: Appian generates revenue primarily from its software and programming services, with a recent gross profit margin of 72.47%. The company's cost structure includes significant allocations to sales and marketing, research and development, and general administrative expenses. Despite achieving positive net income in recent periods, the net income margin remains low at 0.12%.

PE: 2102.8x

Appian, a player in the tech sector, is currently drawing attention with its potential for growth and recent strategic moves. The company's revenue increased to US$202.18 million in Q1 2026 from US$166.43 million the previous year, but it still reported a net loss of US$1.53 million. Despite this, Appian's expanded alliance with Deloitte aims to modernize UK policing through AI-powered solutions, showcasing its innovative edge. Insider confidence is evident as company repurchased shares worth US$21.81 million earlier this year under an ongoing buyback plan extending until 2028, signaling belief in future prospects amidst financial challenges like interest payments not fully covered by earnings and negative equity concerns.

Similarweb (SMWB)

Simply Wall St Value Rating: ★★★★☆☆

Overview: Similarweb operates as an online financial information provider, offering digital intelligence solutions to help businesses understand their web and app performance, with a market cap of approximately $0.54 billion.

Operations: The company generates revenue primarily from its online financial information services, with the most recent quarter showing $289.39 million in revenue. The gross profit margin has shown an upward trend, reaching 79.60% in the latest period. Significant costs include sales and marketing expenses and research and development expenses, which were $123.05 million and $73.65 million respectively in the last reported period.

PE: -19.4x

Similarweb, a player in the digital intelligence space, has seen insider confidence with their Independent Chairman purchasing 75,000 shares for US$291,750 in early 2026. Despite a volatile share price over the past three months and reliance on higher-risk funding sources, Similarweb's earnings are projected to grow significantly at 112.61% annually. Recent strategic moves include surpassing US$300 million in Annual Recurring Revenue and signing substantial AI-driven enterprise contracts worth US$47 million over three years. These developments underscore its potential amidst ongoing leadership transitions and evolving AI partnerships.

Key Takeaways

• Navigate through the entire inventory of 62 Undervalued US Small Caps With Insider Buying here.
• Invested in any of these stocks? Simplify your portfolio management with Simply Wall St and stay ahead with our alerts for any critical updates on your stocks.
• Simply Wall St is a revolutionary app designed for long-term stock investors, it's free and covers every market in the world.

Want To Explore Some Alternatives?

• Explore high-performing small cap companies that haven't yet garnered significant analyst attention.
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• 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.