The Dow Jones index closed higher by over 100 points on Friday. 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.

Comstock

The Trade: Comstock Inc. ( LODE ) Chief Operating Officer William Joseph McCarthy bought a total of 15,000 shares at an average price of $0.26. To acquire these shares, it cost around $3,854.

What's Happening: On April 30, Comstock reported weaker-than-expected first-quarter sales.

What Comstock Does: Comstock Inc ( LODE ) is engaged in technologies that efficiently use wasted and under-utilized natural resources to produce renewable energy and other products that contribute to balancing uses and emissions of carbon and enhance mineral and material discoveries.

Xeris Biopharma

The Trade: Xeris Biopharma Holdings, Inc. ( XERS ) Director John P. Schmid acquired a total of 5,400 shares at an average price of $1.91. To acquire these shares, it cost around $10,314.

What's Happening: On May 9, Xeris Biopharma ( XERS ) posted downbeat quarterly results.

What Xeris Biopharma Does: Xeris Biopharma Holdings Inc ( XERS ) is a biopharmaceutical company developing and commercializing unique therapies for patient populations in endocrinology, neurology, and gastroenterology.

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GrafTech International

The Trade: GrafTech International Ltd. ( EAF ) 10% owner WJS Investments Ltd acquired a total of 114,178 shares at an average price of $1.77. The insider spent around $202,438 to buy those shares.

What's Happening: On April 26, GrafTech International ( EAF ) reported better-than-expected first-quarter financial results.

What GrafTech International Does: GrafTech International Ltd ( EAF ) is a manufacturer of high-quality graphite electrode products essential to the production of EAF steel and other ferrous and non-ferrous metals.

Socket Mobile

The Trade: Socket Mobile, Inc. ( SCKT ) Director Charlie Bass acquired a total of 10,000 shares at an average price of $1.26. The insider spent around $12,644 to buy those shares.

What's Happening: On May 1, Socket Mobile ( SCKT ) posted better-than-expected quarterly sales.

What Socket Mobile Does: Socket Mobile Inc ( SCKT ) is a producer of data capture products.

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