The Dow Jones index closed higher by around 0.2% on Monday. When insiders purchase or sell shares, it indicates their confidence or concern around the company's prospects. Investors and traders interested in penny stocks can consider this a factor in their overall investment or trading decision.

Below is a look at a few recent notable insider transactions for penny stocks. For more, check out Benzinga's insider transactions platform.

MariaDB

• The Trade: MariaDB plc (NASDAQ:MRDB) 10% owner Investment Management, LLC bought a total of 7,803,747 shares at an average price of $0.55. To acquire these shares, it cost around $4.3 million.
• What's Happening: On May 15, MariaDB posted a second-quarter loss of 5 cents per share.
• What MariaDB Does: MariaDB plc, headquartered in Redwood City, California, operates as a cloud database company in North and South America, Europe, the Middle East, Africa, and the Asia Pacific.

Sypris Solutions

• The Trade: Sypris Solutions, Inc. (NASDAQ:SYPR) Director Gary L Convis acquired a total of 5,615 shares at an average price of $1.58. To acquire these shares, it cost around $8,884.
• What's Happening: On Aug. 13, Sypris Solutions posted a decline in quarterly sales.
• What Sypris Solutions Does: Sypris Solutions Inc is a USA-based company engaged in providing truck components, oil and gas pipeline components, and aerospace and defense electronics.

CPI Aerostructures

• The Trade: CPI Aerostructures, Inc. (NYSE:CVU) Director Richard S Caswell acquired a total of 10,000 shares at an average price of $2.88. The insider spent around $28,800 to buy those shares.
• What's Happening: On Aug. 20, CPI Aerostructures named Philip Passarello as CFO.
• What CPI Aerostructures Does: CPI Aerostructures Inc is engaged in the manufacturing of structural aircraft parts for fixed-wing aircraft and helicopters in both the commercial and defense markets in the United States.

Standard BioTools

• The Trade: Standard BioTools Inc. (NASDAQ:LAB) 10% owner Casdin Private Growth Equity Fund, L.P. acquired a total of 750,000 shares at an average price of $2.09. The insider spent around $1.5 million to buy those shares.
• What's Happening: On July 31, Standard BioTools reported worse-than-expected quarterly financial results and cut FY24 revenue guidance below estimates.
• What Standard BioTools Does: Standard BioTools Inc develops, manufactures, and sells technologies that help biomedical researchers in their search for developing medicines faster.

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