Document

Notice of Department of State Sanctions Actions

On February 24, 2026, the Secretary of State Marco Rubio determined that each of Sergey Sergeyevich Zelenyuk, Matrix LLC, and Special Technology Services LLC FZ met the criteria...

Department of State
  1. [Public Notice: 13133]

ACTION:

Notice of sanctions action.

SUMMARY:

On February 24, 2026, the Secretary of State Marco Rubio determined that each of Sergey Sergeyevich Zelenyuk, Matrix LLC, and Special Technology Services LLC FZ met the criteria for sanctions set forth in section 2(a)(1)(A) of the Protecting American Intellectual Property Act of 2022 (Pub. L. 117-336) (PAIPA) and, in consultation with the heads of other relevant agencies, as appropriate, selected the sanctions described in section 2(b)(1)(A), (D), (H), (I), and (J) to be imposed on the entities.

DATES:

The Secretary of State's determinations and selection of certain sanctions to be imposed upon the entities and individuals identified in the SUPPLEMENTARY INFORMATION section were effective on February 24, 2026.

FOR FURTHER INFORMATION CONTACT:

Andrew J. Weinschenk, Director, Office of Global Sanctions & Threat Finance, Bureau of Economic, Energy, and Business Affairs, Department of State, Washington, DC 20520, tel.: (202) 647-5763, email:

SUPPLEMENTARY INFORMATION:

Acting pursuant to PAIPA and Presidential Memorandum of July 19, 2024 (“Delegation of Functions and Authorities Under the Protecting American Intellectual Property Act of 2022”), the Secretary of State determined that each of Sergey Sergeyevich Zelenyuk, Matrix LLC, and Special Technology Services LLC FZ met the criteria set forth in section 2(a)(1)(A) of PAIPA, as indicated below, and, in consultation with the heads of other relevant agencies, as appropriate, selected the sanctions described in section 2(b)(1)(A), (D), (H), (I), and (J) to be imposed on the entities. As a result, Sergeyevich Zelenyuk, Matrix LLC, and Special Technology Services LLC FZ are subject to the sanctions indicated below, effective February 24, 2026.

Individual

1. SERGEY SERGEYEVICH ZELENYUK (Cyrillic: ЗЕЛЕНЮК, Сергей Сергеевич) (a.k.a. ZELENYUK, Sergei Sergeevich; a.k.a. Zelenyuk, Sergey Sergeevich; a.k.a. “MORTENOIR”; a.k.a. “SRGSRGSRG111”), Rimsky-Korsakov Prospect, Building 109-111, Litera/Block A, Apartment 20, Saint Petersburg 190068, Russia; DOB 17 Mar 1994; POB Saint Petersburg, Russia; Nationality Russia; Gender Male; PAIPA Section 2 information: BLOCKING OF PROPERTY (individual). Sec.2(b)(2)(a); Tax ID No. 780223642330 (Russia) (individual) [PAIPA].

Identified pursuant to section 2(a)(1)(A)(i) of PAIPA for being a foreign person that has knowingly engaging in, or benefitted from, significant theft of trade secrets of United States persons, which occurred on or after January 5, 2023, and is reasonably likely to result in, or has materially contributed to, a significant threat to the national security, foreign policy, or economic health or financial stability of the United States.

Entities

1. Matrix LLC (Cyrillic: ОБЩЕСТВО C OГРАНИЧЕННОЙ OТВЕТСТВЕННОСТЬЮ МАТРИЦА) (a.k.a. LLC MATRITSA; a.k.a. MATRIX LIMITED; a.k.a. MATRIX LTD (Cyrillic: OOO МАТРИЦА); a.k.a. OPERATION ZERO; a.k.a. OPZERO), Sh. Petergofskoe, 73, Letter T, Office 26/1, Room 1, Municipal District Sosnovaya Polyana, Saint Petersburg 198206, Russia; website opzero.ru; PAIPA Section 2 information: BLOCKING OF PROPERTY (entity). Sec.2(b)(1)(A); alt. PAIPA Section 2 Information: LOANS FROM UNITED STATES FINANCIAL INSTITUTIONS. Sec.2(b)(1)(D); alt. PAIPA Section 2 Information: FOREIGN EXCHANGE. Sec.2(b)(1)(H); BANKING TRANSACTIONS. Sec.2(b)(1)(I); BAN ON INVESTMENT IN EQUITY OR DEBT OF SANCTIONED PERSON. Sec.2(b)(1)(J); Organization Established Date 27 Sep 2021; Tax ID No. 7807251301 (Russia) [PAIPA].

Identified pursuant to section 2(a)(1)(A)(i) of PAIPA, for being a foreign person that has knowingly engaged in, or benefitted from, significant theft of trade secrets of United States persons, which occurred on or after January 5, 2023 and is reasonably likely to result in, or has materially contributed to, a significant threat to the national security, foreign policy, or economic health or financial stability of the United States.

2. SPECIAL TECHNOLOGY SERVICES LLC FZ Meydan Grandstand, 6th Floor, Meydan Road, Nad Al Sheba, Dubai, United Arab Emirates; PAIPA Section 2 information: BLOCKING OF PROPERTY (entity). Sec.2(b)(1)(A); alt. PAIPA Section 2 Information: LOANS FROM UNITED STATES FINANCIAL INSTITUTIONS. Sec.2(b)(1)(D); alt. PAIPA Section 2 Information: FOREIGN EXCHANGE. Sec.2(b)(1)(H); BANKING TRANSACTIONS. Sec.2(b)(1)(I); BAN ON INVESTMENT IN EQUITY OR DEBT OF SANCTIONED PERSON. Sec.2(b)(1)(J); Organization Established Date 07 Dec 2024 [PAIPA]. (Linked To: ZELENYUK).

Identified pursuant to section 2(a)(1)(A)(iii) of PAIPA for being a foreign person that is owned or controlled by, or that has acted or purported to act for or on behalf of, directly or indirectly, Sergey Sergeyevich Zelenyuk.

Hugo Y. Yon,

Principal Deputy Assistant Secretary, Bureau of Economic, Energy, and Business Affairs, U.S. Department of State.

[FR Doc. 2026-22248 Filed 10-30-26; 8:45 am]

BILLING CODE 4710-07-P

Legal Citation

Federal Register Citation

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91 FR 69031

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“Notice of Department of State Sanctions Actions,” thefederalregister.org (November 2, 2026), https://thefederalregister.org/documents/2026-22248/notice-of-department-of-state-sanctions-actions.