Form 8-K

8-K — PERMA FIX ENVIRONMENTAL SERVICES INC

Accession: 0001493152-26-015716

Filed: 2026-04-08

Period: 2026-04-08

CIK: 0000891532

SIC: 4955 (HAZARDOUS WASTE MANAGEMENT)

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — form8-k.htm (Primary)

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UNITED STATES

SECURITIES

AND EXCHANGE COMMISSION

Washington,

D.C. 20549

FORM

8-K

CURRENT

REPORT

PURSUANT

TO SECTION 13 OR 15(d) OF THE

SECURITIES

EXCHANGE ACT OF 1934

Date

of Report (Date of earliest event reported) April 8, 2026

PERMA-FIX

ENVIRONMENTAL SERVICES, INC.

(Exact

name of registrant as specified in its charter)

PERMA FIX ENVIRONMENTAL SERVICES INC

Delaware

1-11596

58-1954497

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS

Employer

Identification

No.)

8302 Dunwoody Place, Suite 250, Atlanta, Georgia

30350

(Address of principal executive offices)

(Zip Code)

Registrant’s

telephone number, including area code: (770) 587-9898

Not

applicable

(Former

name or former address, if changed since last report)

Check

the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under

any of the following provisions:

☐ Written

communications pursuant to Rule 425 under the Securities Act

☐ Soliciting

material pursuant to Rule 14a-12 under the Exchange Act

☐ Pre-commencement

communications pursuant to Rule 14d-2(b) under the Exchange Act

☐ Pre-commencement

communications pursuant to Rule 13e-4(c) under the Exchange Act

Securities

registered pursuant to Section 12(b) of the Act:

Title of Each

Class

Trading Symbol

Name of each

exchange on which registered

Common Stock, Par Value,

$.001 Per Share

PESI

Nasdaq Capital Market

Indicate

by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2

of the Securities Exchange Act of 1934.

Emerging

growth company ☐

an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying

with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act ☐

Item

8.01 – Other Events.

April 9, 2026, Perma-Fix Environmental Services, Inc.’s (the “Company”) Chief Executive Officer (“CEO”)

and Chief Financial Officer (“CFO”) will be presenting at Gabelli Funds’ 12th Annual Waste & Environmental

Services Symposium (the “Symposium”). Attendees at the Symposium will be presented with the Company’s “Investor

Presentation, April 2026,” attached to this Report as Exhibit 99.1, and incorporated herein by reference. The investor presentation

will also be posted to the Company’s website.

Item

9.01. Financial Statements and Exhibits

(d)

Exhibits.

Exhibit

Description

99.1

Perma-Fix Environmental Services, Inc. Investor Presentation, April 2026.

104

Cover

Page Interactive Data File (embedded within the Inline XBRL document).

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.

Dated:

April 8, 2026

PERMA-FIX ENVIRONMENTAL SERVICES, INC.

By:

/s/

Ben Naccarato

Executive Vice President and

Chief Financial Officer

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99.1

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Apr. 08, 2026

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Entity Central Index Key

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Entity Tax Identification Number

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Entity Incorporation, State or Country Code

Entity Address, Address Line One

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Entity Address, Address Line Two

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