Institutional shares held 7.37 Million
67.8K calls
20.9K puts
Total value of holdings $64.2M
$590K calls
$182K puts
Market Cap $116M
13,295,700 Shares Out.
Institutional ownership 55.45%
# of Institutions 76


Latest Institutional Activity in PESI

Top Purchases

Q4 2024
Alyeska Investment Group, L.P. Shares Held: 700K ($6.1M)
Q4 2024
Awm Investment Company, Inc. Shares Held: 400K ($3.48M)
Q4 2024
Myda Advisors LLC Shares Held: 225K ($1.96M)
Q4 2024
Polar Asset Management Partners Inc. Shares Held: 175K ($1.52M)
Q4 2024
Vanguard Group Inc Shares Held: 869K ($7.57M)

Top Sells

Q4 2024
Heartland Advisors Inc Shares Held: 400K ($3.48M)
Q4 2024
Renaissance Technologies LLC Shares Held: 34.8K ($303K)
Q4 2024
Ars Investment Partners, LLC Shares Held: 83.2K ($725K)
Q4 2024
Ancora Advisors, LLC Shares Held: 81.9K ($713K)
Q4 2024
Diametric Capital, LP Shares Held: 15.5K ($135K)

About PESI

Perma-Fix Environmental Services, Inc., through its subsidiaries, operates as an environmental and technology know-how company in the United States. It operates in three segments: Treatment, Services, and Medical. The Treatment segment offers nuclear, low-level radioactive, mixed waste, hazardous and non-hazardous waste treatment, and processing and disposal services through treatment and storage facilities. This segment is also involved in the research and development activities to identify, develop, and implement waste processing techniques for problematic waste streams. The Services segment provides technical services, including professional radiological measurement and site survey of government and commercial installations; integrated occupational safety and health services; and consulting, engineering, project and waste management, environmental, decontamination and decommissioning (D&D) field, technical, on-site waste management services, and management personnel and services. This segment also offers nuclear services, including technology-based services comprising engineering, D&D, specialty, construction, logistics, transportation, processing, and disposal; offers remediation of nuclear licensed and federal facilities, as well as cleanup of nuclear legacy sites; and owns an equipment calibration and maintenance laboratory that services, maintains, calibrates, and sources health physics, industrial hygiene, and customized nuclear, environmental, and occupational safety and health instrumentation. The Medical segment is involved in the research and development of medical isotope production technology. The company provides its services to research institutions, commercial companies, public utilities, and governmental agencies through direct sales to customers or through intermediaries. Perma-Fix Environmental Services, Inc. was incorporated in 1990 and is based in Atlanta, Georgia.


Insider Transactions at PESI

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
122K Shares
From 14 Insiders
Grant, award, or other acquisition 42.5K shares
Exercise of conversion of derivative security 77.8K shares
Open market or private purchase 2.1K shares
Sell / Disposition
26.3K Shares
From 5 Insiders
Bona fide gift 2.3K shares
Payment of exercise price or tax liability 24K shares

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