# Perma-Fix Environmental Services Inc. (PESI)

Source: https://www.quantisnow.com/company/PESI
Generated: 2026-11-04T19:57:23.321Z

- Ticker: PESI
- Exchange: NASDAQ
- Sector: Industrials
- Industry: Environmental Services
- SEC CIK: 0000891532
- Website: perma-fix.com

## About

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, as well as laboratory for analysis of oil and gas industry solids and liquids. 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.

## Latest PESI news and filings

- 2026-10-30 15:30 UTC [Earnings Date] [Perma-Fix Schedules Third Quarter 2026 Business Update Conference Call](https://www.quantisnow.com/insight/perma-fix-schedules-third-quarter-2026-business-update-conference-call-6764882)
- 2026-10-29 20:00 UTC [SEC Form 4] [SEC Form 4 filed by Perma-Fix Environmental Services Inc.](https://www.quantisnow.com/insight/sec-form-4-filed-by-perma-fix-environmental-services-inc-6763319)
- 2026-10-02 12:00 UTC [SEC Form 4] [Director Wamp Zach Paul was granted 775 shares, increasing direct ownership by 1% to 54,248 units (SEC Form 4)](https://www.quantisnow.com/insight/director-wamp-zach-paul-was-granted-775-shares-increasing-direct-6733501)
- 2026-10-02 12:00 UTC [SEC Form 4] [Director Bostick Thomas was granted 1,108 shares, increasing direct ownership by 2% to 51,718 units (SEC Form 4)](https://www.quantisnow.com/insight/director-bostick-thomas-was-granted-1108-shares-increasing-direct-ownership-6733500)
- 2026-10-02 12:00 UTC [SEC Form 4] [Director Grumski Joseph Timothy was granted 1,438 shares, increasing direct ownership by 2% to 69,099 units (SEC Form 4)](https://www.quantisnow.com/insight/director-grumski-joseph-timothy-was-granted-1438-shares-increasing-direct-6733499)
- 2026-10-02 12:00 UTC [SEC Form 4] [Director Shelton Larry was granted 1,246 shares, increasing direct ownership by 0.63% to 200,229 units (SEC Form 4)](https://www.quantisnow.com/insight/director-shelton-larry-was-granted-1246-shares-increasing-direct-ownership-6733498)
- 2026-10-02 12:00 UTC [SEC Form 4] [Director Reeder Joe was granted 1,289 shares, increasing direct ownership by 0.54% to 240,634 units (SEC Form 4)](https://www.quantisnow.com/insight/director-reeder-joe-was-granted-1289-shares-increasing-direct-ownership-6733497)
- 2026-10-02 12:00 UTC [SEC Form 4] [Director Duggan Kerry C was granted 748 shares, increasing direct ownership by 10% to 8,388 units (SEC Form 4)](https://www.quantisnow.com/insight/director-duggan-kerry-c-was-granted-748-shares-increasing-direct-6733496)
- 2026-10-02 12:00 UTC [SEC Form 4] [Director Zwecker Mark A was granted 1,038 shares, increasing direct ownership by 0.42% to 248,644 units (SEC Form 4)](https://www.quantisnow.com/insight/director-zwecker-mark-a-was-granted-1038-shares-increasing-direct-6733495)
- 2026-09-23 15:52 UTC [SEC Form 8-K] [Amendment: Perma-Fix Environmental Services Inc. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits](https://www.quantisnow.com/insight/amendment-perma-fix-environmental-services-inc-filed-sec-form-8-k-other-6723985)
- 2026-09-22 11:00 UTC [SEC Form 8-K] [Perma-Fix Environmental Services Inc. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits](https://www.quantisnow.com/insight/perma-fix-environmental-services-inc-filed-sec-form-8-k-other-events-6722313)
- 2026-08-12 21:01 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Perma-Fix Environmental Services Inc.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-perma-fix-environmental-services-inc-6678496)
- 2026-08-12 20:05 UTC [Earnings Date] [Perma-Fix Reports Second Quarter 2026 Results, Award of Hanford Master IDIQ Subcontract and Commencement of DFLAW Waste Receipts](https://www.quantisnow.com/insight/perma-fix-reports-second-quarter-2026-results-award-of-hanford-master-6677760)
- 2026-08-12 11:00 UTC [Perma-Fix Awarded Master IDIQ Subcontract by Hanford Tank Waste Operations & Closure for Grouting and Disposal of Hanford Mixed Low-Level Waste](https://www.quantisnow.com/insight/perma-fix-awarded-master-idiq-subcontract-by-hanford-tank-waste-operations-6676922)
- 2026-08-11 11:00 UTC [Earnings Date] [Perma-Fix Reschedules Second Quarter 2026 Business Update Conference Call](https://www.quantisnow.com/insight/perma-fix-reschedules-second-quarter-2026-business-update-conference-call-6674820)
- 2026-08-06 12:30 UTC [Earnings Date] [Perma-Fix Schedules Second Quarter 2026 Business Update Conference Call](https://www.quantisnow.com/insight/perma-fix-schedules-second-quarter-2026-business-update-conference-call-6667636)
- 2026-08-04 12:30 UTC [Perma-Fix and Mirion Technologies Form Strategic Partnership for DOE and Federal Nuclear Cleanup Opportunities](https://www.quantisnow.com/insight/perma-fix-and-mirion-technologies-form-strategic-partnership-for-doe-and-6661287)
- 2026-07-28 13:15 UTC [SEC Form 8-K] [Perma-Fix Environmental Services Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits](https://www.quantisnow.com/insight/perma-fix-environmental-services-inc-filed-sec-form-8-k-results-of-6650965)
- 2026-07-24 15:05 UTC [SEC Form 4] [SEC Form 4 filed by Director Reeder Joe](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-reeder-joe-6648102)
- 2026-07-23 11:00 UTC [SEC Form 4] [SEC Form 4 filed by Director Shelton Larry](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-shelton-larry-6646145)
- 2026-07-23 11:00 UTC [SEC Form 4] [SEC Form 4 filed by Director Bostick Thomas](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-bostick-thomas-6646144)
- 2026-07-23 11:00 UTC [SEC Form 4] [SEC Form 4 filed by Director Zwecker Mark A](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-zwecker-mark-a-6646143)
- 2026-07-23 11:00 UTC [SEC Form 4] [SEC Form 4 filed by Director Duggan Kerry C](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-duggan-kerry-c-6646141)
- 2026-07-23 11:00 UTC [SEC Form 4] [SEC Form 4 filed by Director Wamp Zach Paul](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-wamp-zach-paul-6646140)
- 2026-07-23 11:00 UTC [SEC Form 4] [SEC Form 4 filed by Director Grumski Joseph Timothy](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-grumski-joseph-timothy-6646139)
- 2026-07-14 11:00 UTC [SEC Form 4] [Director Shelton Larry exercised 2,400 shares at a strike of $4.60, increasing direct ownership by 1% to 198,983 units (SEC Form 4)](https://www.quantisnow.com/insight/director-shelton-larry-exercised-2400-shares-at-a-strike-of-6635999)
- 2026-07-02 12:00 UTC [SEC Form 4] [Director Duggan Kerry C was granted 819 shares, increasing direct ownership by 12% to 7,640 units (SEC Form 4)](https://www.quantisnow.com/insight/director-duggan-kerry-c-was-granted-819-shares-increasing-direct-6624258)
- 2026-07-02 12:00 UTC [SEC Form 4] [Director Wamp Zach Paul was granted 849 shares, increasing direct ownership by 2% to 53,473 units (SEC Form 4)](https://www.quantisnow.com/insight/director-wamp-zach-paul-was-granted-849-shares-increasing-direct-6624257)
- 2026-07-02 12:00 UTC [SEC Form 4] [Director Grumski Joseph Timothy was granted 1,528 shares, increasing direct ownership by 2% to 67,661 units (SEC Form 4)](https://www.quantisnow.com/insight/director-grumski-joseph-timothy-was-granted-1528-shares-increasing-direct-6624256)
- 2026-07-02 12:00 UTC [SEC Form 4] [Director Shelton Larry was granted 1,365 shares, increasing direct ownership by 0.70% to 196,583 units (SEC Form 4)](https://www.quantisnow.com/insight/director-shelton-larry-was-granted-1365-shares-increasing-direct-ownership-6624253)
- 2026-07-02 12:00 UTC [SEC Form 4] [Director Zwecker Mark A was granted 1,167 shares, increasing direct ownership by 0.47% to 247,606 units (SEC Form 4)](https://www.quantisnow.com/insight/director-zwecker-mark-a-was-granted-1167-shares-increasing-direct-6624252)
- 2026-07-02 12:00 UTC [SEC Form 4] [Director Bostick Thomas was granted 1,213 shares, increasing direct ownership by 2% to 50,610 units (SEC Form 4)](https://www.quantisnow.com/insight/director-bostick-thomas-was-granted-1213-shares-increasing-direct-ownership-6624251)
- 2026-07-02 12:00 UTC [SEC Form 4] [Director Reeder Joe was granted 1,458 shares, increasing direct ownership by 0.61% to 239,345 units (SEC Form 4)](https://www.quantisnow.com/insight/director-reeder-joe-was-granted-1458-shares-increasing-direct-ownership-6624249)
- 2026-06-12 11:00 UTC [SEC Form DEF 14A] [SEC Form DEF 14A filed by Perma-Fix Environmental Services Inc.](https://www.quantisnow.com/insight/sec-form-def-14a-filed-by-perma-fix-environmental-services-inc-6599520)
- 2026-06-12 11:00 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by Perma-Fix Environmental Services Inc.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-perma-fix-environmental-services-inc-6599517)
- 2026-05-18 10:02 UTC [SEC Form 8-K] [Perma-Fix Environmental Services Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Other Events, Financial Statements and Exhibits](https://www.quantisnow.com/insight/perma-fix-environmental-services-inc-filed-sec-form-8-k-entry-into-6558941)
- 2026-05-15 20:27 UTC [SEC Form 424B5] [SEC Form 424B5 filed by Perma-Fix Environmental Services Inc.](https://www.quantisnow.com/insight/sec-form-424b5-filed-by-perma-fix-environmental-services-inc-6557726)
- 2026-05-15 12:00 UTC [Public Offering] [Perma-Fix Announces Pricing of $20.0 Million Public Offering of Common Stock](https://www.quantisnow.com/insight/perma-fix-announces-pricing-of-200-million-public-offering-of-common-6555736)
- 2026-05-14 20:07 UTC [Public Offering] [Perma-Fix Announces Proposed Public Offering of Common Stock](https://www.quantisnow.com/insight/perma-fix-announces-proposed-public-offering-of-common-stock-6553784)
- 2026-05-14 20:05 UTC [SEC Form 424B5] [SEC Form 424B5 filed by Perma-Fix Environmental Services Inc.](https://www.quantisnow.com/insight/sec-form-424b5-filed-by-perma-fix-environmental-services-inc-6553747)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/PESI
- Earnings history: https://www.quantisnow.com/earnings/PESI
- Dividend history: https://www.quantisnow.com/dividends/PESI
- Insider transactions: https://www.quantisnow.com/insiders/PESI
- Options chain: https://www.quantisnow.com/options/PESI
- SEC 8-K filings only: https://www.quantisnow.com/company/PESI/8-k
- RSS and alerts for PESI: https://www.quantisnow.com/docs/rss-feeds.md