UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________________ to_________________ Commission File No. 1-11596 PERMA-FIX ENVIRONMENTAL SERVICES, INC. (Exact name of registrant as specified in its charter) Delaware ...

Perma-Fix Environmental Services, Inc. (NASDAQ:PESI) Q4 2023 Earnings Conference Call March 13, 2024 11:00 AM ET Company Participants David Waldman - IR, Crescendo Communications Mark Duff - CEO Ben Naccarato - EVP & CFO Louis Centofanti - EVP, Strategic Initiatives Conference Call Participants Howard Brous - Wellington Shields & Co. Walter Schenker - MAZ Capital Advisors Brian Russo - Sidoti & Company Ross Taylor - ARS Investment Partners Operator Greetings. Welcome to the Perma-Fix Q4 and Fiscal 2023 Year ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commission File No. 1-11596 PERMA-FIX ENVIRONMENTAL SERVICES, INC. (Exact name of registrant as specified in its charter) Delaware 58-1954497 State or other ...

Perma-Fix Environmental Services, Inc. (NASDAQ:PESI) Q3 2023 Earnings Conference Call November 2, 2023 11:00 AM ET Company Participants David Waldman - Investor Relations Mark Duff - President & Chief Executive Officer Ben Naccarato - Executive Vice President & Chief Financial Officer Dr. Louis Centofanti - Executive Vice President of Strategic Initiatives Conference Call Participants Howard Brous - Wellington Shields & Co. Brian Russo - Sidoti & Company Ross Taylor - ARS Investment Partners Operator Good d ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-11596 PERMA-FIX ENVIRONMENTAL SERVICES, INC. (Exact name of registrant as specified in its charter) Delaware 58-1954497 (State or other ju ...

Perma-Fix Environmental Services, Inc. (NASDAQ:PESI) Q2 2023 Earnings Conference Call August 3, 2023 11:00 AM ET Company Participants David Waldman - Investor Relations Mark Duff - President & Chief Executive Officer Ben Naccarato - Executive Vice President & Chief Financial Officer Conference Call Participants Brian Russo - Sidoti Ross Taylor - ARS Investment Partners Aaron Warwick - Breakout Investors Stephen Fein - Sofein LLC Operator Greetings. Welcome to the Perma-Fix Second Quarter 2023 Earnings Confe ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______________to_________________ Commission File No. 001-11596 PERMA-FIX ENVIRONMENTAL SERVICES, INC. (Exact name of registrant as specified in its charter) Delaware 58 ...

Perma-Fix Environmental Services, Inc. (NASDAQ:PESI) Q1 2023 Earnings Call May 9, 2023 11:00 AM ET Company Participants David K. Waldman - Investor Relations, Crescendo Communications, LLC Mark Duff - President and Chief Executive Officer Ben Naccarato - Executive Vice President and Chief Financial Officer Conference Call Participants Howard Brous - Wellington Shields Brian Russo - Sidoti Ross Taylor - ARS Investment Partners Aaron Warwick - Breakout Investors Avram Fisher - Long Cast Advisers Stephen Fein ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____________ to ___________ Commission File No. 1-11596 PERMA-FIX ENVIRONMENTAL SERVICES, INC. (Exact name of registrant as specified in its charter) Delaware 58-195449 ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commission File No. 1-11596 PERMA-FIX ENVIRONMENTAL SERVICES, INC. (Exact name of registrant as specified in its charter) Delaware 58-1954497 State or other ...