The Dow Jones closed higher by close to 300 points on Tuesday. 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.

Kingstone Companies

• The Trade: Kingstone Companies, Inc. (NASDAQ:KINS) Chief Operating Officer Meryl S Golden acquired a total of 5,811 shares an average price of $1.98. To acquire these shares, it cost around $11,507.
• What’s Happening: Kingstone Companies posted a wider-than-expected quarterly loss.
• What Kingstone Companies Does: Kingstone Companies Inc is a multi-line regional property and casualty insurance holding company.

International Isotopes

• The Trade: International Isotopes Inc. (OTC:INIS) President Shahe Bagerdjian acquired a total of 3,950 shares at an average price of $0.05. The insider spent around $197.50.
• What’s Happening: The company said revenue for the six months ended June 30, 2023, was $6,201,700, up from $5,242,249 for the year-ago period.
• What International Isotopes Does: International Isotopes Inc manufactures a full range of nuclear medicine calibration and reference standards, cobalt teletherapy sources, and other sealed sources.

Cue Biopharma

• The Trade: Cue Biopharma, Inc. (NASDAQ:CUE) President and CSO Anish Suri acquired a total of 4,000 shares at an average price of $2.76. To acquire these shares, it cost around $11,040.
• What’s Happening: Cue Biopharma posted upbeat quarterly results.
• What Cue Biopharma Does: Cue Biopharma Inc is a clinical-stage biopharmaceutical company. It is developing a novel and proprietary class of biologics drugs for the selective modulation of the human immune system to treat a broad range of cancers and autoimmune disorders.

Check This Out: Investor Sentiment Improves After S&P 500 Closes Sharply Higher

Don’t forget to check out our premarket coverage here