U.S. High Insider Buying

Quest Resource Holding

Market Cap: US$44.2m

Provides solutions for the reuse, recycling, and disposal of various waste streams and recyclables in the United States.

DynaResource

Market Cap: US$43.6m

Engages in the investment, exploration, and management of precious and base metal properties.

RenovoRx

Market Cap: US$43.5m

A clinical-stage biopharmaceutical company, engages in the developing of targeted combination therapies to enhance therapeutic outcomes for cancer patients undergoing treatment.

AmeriServ Financial

Market Cap: US$43.3m

Operates as the bank holding company for AmeriServ Financial Bank, which provides various consumer, mortgage, and commercial financial products in the United States.

CPS Technologies

Market Cap: US$42.4m

Provides advanced material solutions to the transportation, automotive, energy, computing/internet, telecommunication, aerospace, defense, and oil and gas markets in the United States, Europe, and Asia.

MDB Capital Holdings

Market Cap: US$42.0m

Through its subsidiaries, primarily operates as a broker-dealer.

Barfresh Food Group

Market Cap: US$41.4m

Manufactures and distributes ready-to-drink and ready-to-blend frozen beverages in the United States.

Earth Science Tech

Market Cap: US$41.2m

Focuses on health and wellness industry.

ACCESS Newswire

Market Cap: US$40.4m

Provides solutions for public relations and investor relations in the United States and internationally.

180 Degree Capital

Market Cap: US$40.1m

A publicly owned investment manager.

Akari Therapeutics

Market Cap: US$38.6m

An oncology company, develops next-generation antibody-drug conjugates (ADC) and a novel discovery engine.

Daxor

Market Cap: US$38.2m

A medical device company, provides blood volume measurement technology focused on blood volume testing.

Janel

Market Cap: US$38.0m

Through its subsidiaries, provides logistics services worldwide.

Nvni Group

Market Cap: US$37.3m

Provides a business to business SaaS platform that offers cloud solutions.

NXT Energy Solutions

Market Cap: US$37.0m

A technology company, provides geophysical services to the oil and gas industry through its proprietary gravity-based stress field detection (SFD) remote-sensing survey system in Canada and internationally.

electroCore

Market Cap: US$36.9m

A bioelectronic medicine and general wellness company, provides non-invasive vagus nerve stimulation (“nVNS”) technology platform in the United States, the United Kingdom, and internationally.

Aware

Market Cap: US$34.8m

A biometric identity platform company, provides biometrics software products and services for government agencies and commercial entities in the United States, the United Kingdom, and internationally.

Nauticus Robotics

Market Cap: US$34.7m

Develops ocean robots, cloud software, and services to the ocean industry.

Zedge

Market Cap: US$33.8m

Zedge, Inc. builds digital marketplaces and competitive games around content that people use to express themselves.

FibroGen

Market Cap: US$33.3m

A biopharmaceutical company, discovers, develops, and commercializes therapeutics to treat serious unmet medical needs.

Fathom Holdings

Market Cap: US$33.3m

Provides a real estate services platform that integrates residential brokerage, mortgage, title, and insurance services in the United States.

Key Tronic

Market Cap: US$33.0m

Provides contract manufacturing services to original equipment manufacturers in the United States and internationally.

Kidoz

Market Cap: US$32.8m

Provides mobile advertising platform for children, teens, and families in Western, Central, Eastern, Southern Europe, North America, and internationally.

FlexShopper

Market Cap: US$31.3m

A financial technology company, operates an e-commerce marketplace to shop electronics, home furnishings, and other durable goods on a lease-to-own (LTO) basis.

Parks! America

Market Cap: US$30.1m

Through its subsidiaries, engages in acquiring, developing, and operating local and regional entertainment assets in the United States.

NeuroOne Medical Technologies

Market Cap: US$29.5m

A medical technology company, provides solutions for continuous electroencephalogram (cEEG) and stereoelectrocencephalography (sEEG) recording in the United States.

Novo Resources

Market Cap: US$28.4m

Engages in evaluating, acquiring, exploring, and developing natural resource properties in Canada, Australia, and the United States.

Blue Dolphin Energy

Market Cap: US$27.8m

An independent downstream energy company, engages in the refining and marketing of petroleum products in the United States.

NeurAxis

Market Cap: US$26.5m

A medical technology company, focuses on developing neuromodulation therapies to address chronic and debilitating conditions in children and adults in the United States.

International Isotopes

Market Cap: US$26.0m

Manufactures and sells nuclear medicine calibration and reference standards, cobalt-60 products, sodium iodide I-131 drug product, and radiochemicals for clinical research and life sciences in the United States and internationally.

LightInTheBox Holding

Market Cap: US$25.4m

An online retail company, provides various lifestyle products directly to consumers in Europe, North America, and internationally.

Callan JMB

Market Cap: US$25.1m

Through its subsidiary, Coldchain Technology Services, LLC provides thermal management logistics solutions to the life sciences industry.

Data I/O

Market Cap: US$23.8m

Engages in the design, manufacture, and sale of programming and security deployment systems and services for electronic device manufacturers in the United States, Europe, and internationally.

Tofla Megaline

Market Cap: US$23.7m

A development stage company, engages in the business of software development for robotic devices, control equipment, and security systems in Mexico.

Greenidge Generation Holdings

Market Cap: US$23.0m

Operates as an integrated cryptocurrency datacenter and power generation company.

QT Imaging Holdings

Market Cap: US$22.8m

Engages in the research, development, and commercialization of body imaging systems with low frequency sound waves for detection, diagnosis, monitoring, and treatment of diseases in the United States and Internationally.