Sergey Kozinsky
Sergey Kozinsky, born 1986. Charges: Article 205.3, Russian Criminal Code (Receiving training for the commission of terrorist crimes); Article 205.4 part 2, Russian Criminal Code (Participation in a terrorist community); “Sergey Kozinsky's case of participation in the activities of a terrorist community”. Sentenced on December 5, 2025. Status: imprisoned; deprived of liberty since December 25, 2025. Recognition: Memorial: Support for Political Prisoners — recognised as a political prisoner, February 18, 2026.
In brief
Sentence
Imprisonment (strict regime)
No information about an appeal ruling.
Charges
- Article 205.3, Russian Criminal Code — Receiving training for the commission of terrorist crimes
- Article 205.4 part 2, Russian Criminal Code — Participation in a terrorist community
Latest event
February 18, 2026 — recognised as a political prisoner
Memorial: Support for Political Prisoners
Recognition by rights defenders
- Recognised as a political prisoner — Memorial: Support for Political Prisoners, February 18, 2026
Timeline
· Recognised as a political prisoner
Memorial: Support for Political Prisoners
· Imprisonment begins
· First-instance verdict
guilty verdict
· Added to the Rosfinmonitoring list of “terrorists and extremists”
Criminal case
Sergey Kozinsky's case of participation in the activities of a terrorist community
- Case number
- 1-1157/2025
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The address is not listed in the database.
Details and sources
Full summary
A resident of the Luhansk region of Ukraine. He was prosecuted for participation in the activities of a terrorist community and undergoing training for the purpose of terrorist activities: presumably, the reason was his involvement in the activities of the Aidar battalion. On 5 December 2025, Kozinski was sentenced to imprisonment, the details are unknown.
All fields of the record
- Citizenship
- Ukraine
Other people prosecuted under Article 205.3, Russian Criminal Code
Under the same article, not necessarily in the same case.