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Midas Edge

PERMA FIX ENVIRONMENTAL SERVICES INC

For the period ended Sep 30, 2026. Filed Nov 5, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 5, 2026

PESI$15.59+11.0%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 6. Exhibits

Item 6.Exhibits
(a)Exhibits
4.1Eleventh Amendment to Second Amended and Restated Revolving Credit, Term Loan and Security Agreement, dated August 10, 2026, between Perma-Fix Environmental Services, Inc., and PNC Bank, National Association, as incorporated by reference from Exhibit 4.1 to the Company’s Form 10-Q for the quarter ended June 30, 2026, filed on August 12, 2026.
10.1Eleventh Amendment to Second Amended and Restated Revolving Credit, Term Loan and Security Agreement, dated August 10, 2026, between Perma-Fix Environmental Services, Inc., and PNC Bank, National Association, as incorporated by reference from Exhibit 4.1 to the Company’s Form 10-Q for the quarter ended June 30, 2026, filed on August 12, 2026.
10.2#Indefinite Delivery/Indefinite Quantity Master Subcontract (IDIQM), dated effective August 11, 2026, between Hanford Tank Waste Operations & Closure LLC (H2C) and Perma-Fix Environmental Services, Inc., for the disposal of mixed low-level waste from the U.S. Department of Energy’s Hanford Site.
31.1Certification by Mark Duff, Chief Executive Officer of the Company pursuant to Rule 13a-14(a) or 15d-14(a).
31.2Certification by Ben Naccarato, Chief Financial Officer of the Company pursuant to Rule 13a-14(a) or 15d-14(a).
32.1Certification by Mark Duff, Chief Executive Officer of the Company furnished pursuant to 18 U.S.C. Section 1350.
32.2Certification by Ben Naccarato, Chief Financial Officer of the Company furnished pursuant to 18 U.S.C. Section 1350.
101.INSInline XBRL Instance Document-the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document*
101.SCHInline XBRL Taxonomy Extension Schema Document*
101.CALInline XBRL Taxonomy Extension Calculation Linkbase Document*
101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document*
101.LABInline XBRL Taxonomy Extension Labels Linkbase Document*
101.PRE 104Inline XBRL Taxonomy Extension Presentation Linkbase Document* Cover Page Interactive Data File (formatted as an Inline XBRL document and included in Exhibit 101).

* Pursuant to Rule 406T of Regulation S-T, the Inline Interactive Data File in Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Section 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purpose of Section 18 of the Securities Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

# Certain schedules, exhibits, and attachments to this exhibit have been omitted pursuant to Item 601(a)(5) of Regulation S-K. A list briefly identifying the contents of all omitted schedules, exhibits, and attachments is included in the exhibit. The Company agrees to furnish supplementally a copy of any omitted schedule, exhibit, or attachment to the Securities and Exchange Commission upon request.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

PERMA-FIX ENVIRONMENTAL SERVICES
Date: November 5, 2026By:/s/ Mark Duff
Mark Duff
President and Chief (Principal) Executive Officer
Date: November 5, 2026By:/s/ Ben Naccarato
Ben Naccarato
Chief (Principal) Financial Officer
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.