Active SanctionpersonID: NK-NzRXGRahKrBQR5ZUzcrfqe
Siarhei Uladzimiravich Kastsianok
Сергей Владимирович Костeнок
Primary List
US OFAC SDN
Jurisdiction
Russia / CIS
Risk Tier
CRITICAL
Last Updated
2026-04-12
Compliance Profile
"Due Diligence Flag: Siarhei Uladzimiravich Kastsianok has active designations on regulatory watchlists (US OFAC SDN, US TRADE CSL). Review compliance obligations before proceeding."
Banking Impact
Due to designation on US OFAC SDN, processing any financial operations for this counterparty poses severe compliance risks, including secondary sanctions and asset forfeiture.
Legal Status
Comprehensive compliance barriers prohibit routine business. Organizations must freeze associated economic resources and report findings to relevant authorities.
Official Registry Metadata
Source: OpenSanctions| Full Legal Name | Siarhei Uladzimiravich Kastsianok |
| Cyrillic Alias | Сергей Владимирович Костeнок |
| Sanction Program | US OFAC SDNUS TRADE CSL |
| Enforcement Type | Full Blocking Sanctions |
Associated Subject Network
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Евгений Юрьевич Крохотин
Vladimirovka Advanced Weapons and Research Complex
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Limited Liability Company Oil Terminal Belokamenka
Общество C Ограниченной Ответственностью Нефтяной терминал Белокаменка
Due Diligence Inquiry
Independent Risk Assessment
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