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Gaydaichuk Sergei Aleksandrovich

Date of birth: October 27, 1977 (48 years old)
citizenship: Россия
City of residence: Moscow
Article of the Criminal Code:  282.3 ч. 1
Pursuit stage:  preliminary investigation
Date of arrest:  May 13, 2026
Current location:  Remand Prison No. 4, Federal Penitentiary Service of Russia for the city of Moscow
Lists of persecuted:  General list

Moscow resident Sergei Gaydaichuk was charged under the article concerning financing the activities of an extremist organisation (Part 1 of Article 282.3 of the Russian Criminal Code) over donations to the Anti-Corruption Foundation.

On 13 May 2026, law enforcement officers searched Gaydaichuk's home. The following day, the court remanded him in custody.

On 11 June 2026, Gaydaichuk was added to the Russian Federal Financial Monitoring Service's register.