The United States market has shown robust performance, climbing 2.3% in the last week and rising by 25% over the past year, with earnings expected to grow annually by 19%. In this environment, identifying promising small-cap stocks with insider buying can offer unique opportunities for investors seeking potential value plays.

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

Name	PE	PS	Discount to Fair Value	Value Rating
Peoples Bancorp	11.7x	3.1x	43.61%	★★★★★☆
Appian	1891.3x	2.2x	34.38%	★★★★★☆
First Bancorp	9.4x	3.6x	28.26%	★★★★☆☆
Angel Oak Mortgage REIT	13.3x	6.0x	24.17%	★★★★☆☆
Similarweb	NA	1.5x	20.27%	★★★★☆☆
Angel Studios	NA	1.5x	20.61%	★★★★☆☆
Bank of Marin Bancorp	NA	11.7x	34.13%	★★★☆☆☆
Patria Investments	26.0x	4.7x	3.96%	★★★☆☆☆
Shore Bancshares	11.8x	3.3x	48.13%	★★★☆☆☆
NameSilo Technologies	426.9x	2.0x	41.27%	★★★☆☆☆

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

Strattec Security (STRT)

Simply Wall St Value Rating: ★★★☆☆☆

Overview: Strattec Security is a company that specializes in the design, development, manufacturing, and marketing of automotive access control products such as locks and keys, with a market capitalization of approximately $0.08 billion.

Operations: Auto Parts & Accessories generate $579.58 million in revenue, with cost of goods sold at $482.46 million leading to a gross profit of $97.12 million and a gross profit margin of 16.76%. Operating expenses amount to $64.66 million, while non-operating expenses are reported at $7.48 million, contributing to a net income of $24.98 million and a net income margin of 4.31%.

PE: 13.1x

Strattec Security, a company with external borrowing as its sole funding source, has shown insider confidence through recent share purchases by Mathew Pauli, who acquired 2,000 shares for approximately US$125K. Despite a forecasted earnings decline of 7% annually over the next three years, Strattec's strategic move to authorize a US$40 million share buyback program reflects its growth ambitions and shareholder value focus. Recent earnings reported for the nine months ending March 2026 showed improved net income of US$16.72 million compared to US$10.42 million last year, indicating potential resilience in challenging times.

Bank of Marin Bancorp (BMRC)

Simply Wall St Value Rating: ★★★☆☆☆

Overview: Bank of Marin Bancorp is a financial institution that provides community banking services, with a focus on delivering personalized banking solutions to individuals and businesses, and has a market capitalization of approximately $0.32 billion.

Operations: The company generates revenue primarily from community banking, with recent figures showing $35.32 million. Operating expenses have been substantial, reaching $79.72 million in the latest period, driven largely by general and administrative expenses of $70.63 million. The net income margin has experienced significant fluctuations, with a recent figure of -90.72%.

PE: -12.9x

Bank of Marin Bancorp, a smaller player in the financial sector, shows potential for growth with earnings expected to rise by 108.72% annually. Despite recent net charge-offs of US$7.27 million, their Q1 2026 net interest income grew to US$30.3 million from US$24.13 million year-over-year, and net income nearly doubled to US$8.51 million. Insider confidence is evident through share purchases completed under a buyback plan announced in July 2025 for $1.1 million, suggesting belief in future prospects despite current challenges.

Ategrity Specialty Insurance Company Holdings (ASIC)

Simply Wall St Value Rating: ★★★★★☆

Overview: Ategrity Specialty Insurance Company Holdings operates in the insurance sector, focusing on specialty insurance products with a market cap of $1.2 billion.

Operations: ASIC generates revenue primarily from its insurance business, reaching $470.18 million in the latest period. The company reported a gross profit margin of 26.01% as of March 2026, reflecting an upward trend over recent periods. Operating expenses are minimal relative to revenue, with significant non-operating expenses impacting net income margins, which stood at 19.23% in the same period.

PE: 11.3x

Ategrity Specialty Insurance Company Holdings, a smaller player in the insurance sector, has shown significant revenue growth with US$128.96 million reported for Q1 2026, up from US$83.12 million the previous year. Net income also rose to US$25.47 million from US$8.46 million, reflecting strong operational performance despite its reliance on external borrowing for funding. Insider confidence is evident as insiders have been purchasing shares over recent months, suggesting optimism about future prospects amid projected earnings growth of 15% annually.

Next Steps

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Want To Explore Some Alternatives?

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