The Dow Jones index closed higher by more than 200 points 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.

OPKO Health

• The Trade: OPKO Health, Inc. (NASDAQ:OPK) Director Richard Krasno acquired a total of 30,000 shares an average price of $0.99. To acquire these shares, it cost around $29,838.
• What’s Happening: OPKO Health recently priced private offering of $200 million convertible senior notes due 2029.
• What OPKO Health Does: OPKO Health Inc is a diversified biotechnology company that operates pharmaceutical and diagnostic development programs.

Butler National

• The Trade: Butler National Corporation (OTC:BUKS) 10% owner Joseph Patrick Daly acquired a total of 900 shares at at an average price of $0.73. To acquire these shares, it cost around $657.
• What’s Happening: On Nov. 1, Butler National's subsidiary, Avcon Industries, Inc., obtained FAA approval of the Avcon nose extension and the Avcon extra-large "Whale Pod" modifications in the King Air Model B300 Airplanes.
• What Butler National Does: Butler National Corp is engaged in designing, manufacturing and selling, installing, repairing, modifying, overhauling, servicing and distributing a broad portfolio of aerostructures, aircraft components, avionics, accessories, subassemblies, and systems.

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