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Siarhei Uladzimiravich Kastsianok

Sanctioned entity

Siarhei Uladzimiravich Kastsianok is subject to sanctions. See the individual program listings below.

Type	Person				[sources]
Name	KASTSIANOK, Siarhei Uladzimiravich · SERGEY VLADIMIROVICH KOSTENOK · Siarhei Uladzimiravich Kastsianok · Сяргей Уладзіміравіч Касцянок				[sources]
Other name	Sergey Vladimirovich Kostenok · Сергей Владимирович Костeнок				[sources]
Birth date	1984-12-10				[sources]
Place of birth	Riga, Latvia				[sources]
Gender	male				[sources]
Nationality	Belarus				[sources]
Country	Belarus				[sources]
First name	SERGEY VLADIMIROVICH · SIARHEI ULADZIMIRAVICH · Sergey · Siarhei · Сергей · 1 more...				[sources]
ID Number	`3101284C003PB0`				[sources]
Last name	Kastsianok · Kostenok · Касцянок · Костeнок				[sources]
Middle name	Uladzimiravich · Vladimirovich · Владимирович · Уладзіміравіч				[sources]
Passport number	`MC3337847`				[sources]
Unique Entity ID	`FCCBSB1EC8E7` · `PVFNSH3NTHN5`				[sources]
Source link	home.treasury.gov · sanctionssearch.ofac.treas.gov				[sources]
Last change	2025-10-29	Last processed	2025-11-03	First seen	2024-08-09

Descriptions

(also SIARHEI ULADZIMIRAVICH KASTSIANOK)

— US SAM Procurement Exclusions, 2025-07-23

(also SERGEY VLADIMIROVICH KOSTENOK)

— US SAM Procurement Exclusions, 2025-07-23

Relationships

Sanctions
Country	Authority	Program	Start date	End date
United States	Office of Foreign Assets Control		-	-

Clients
Client	Role	Start date	End date
LLC Grosver Grup Sanctioned entity	Acting for or on behalf of	-	-

Documents
Document	Date
Treasury Tightens Sanctions on Belarus’s Military Support to Russia and Lukashenka Regime	2024-08-09

Identifications
Document number	Country	Type	Start date	End date
`3101284C003PB0`	Belarus	National ID No.	-	-

Data sources

US OFAC Specially Designated Nationals (SDN) List35,177

The primary United States' sanctions list, specially designated nationals (SDN) part.

United States · OFAC

US SAM Procurement Exclusions105,520

A database of suppliers who have been excluded from participating in US federal procurement.

United States · GSA

US Trade Consolidated Screening List (CSL)23,257

The Consolidated Screening List (CSL) is a list of parties for which the United States Government maintains restrictions on certain exports, re-exports, or transfers of items.

United States · ITA

External databases

The record has been enriched with data from the following external databases:

US OFAC Press Releases7,234

US OFAC press releases that provide context and details related to sanctioned entities.

External dataset · United States · OFAC

Source data IDs: usgsa-s4mrtln3p · ofac-pr-6ae2d33f5bc91b566f6ffff14a82d117fefe85a0 · ofac-50234 · usgsa-s4mrtxtbl

For experts: raw data explorer

Factsheet Descriptions Data sources

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