Sergei Dziuba
Sergei Dziuba, born 1990. Charges: Article 205.3, Russian Criminal Code (Receiving training for the commission of terrorist crimes); Article 205.5 part 2, Russian Criminal Code (Participation in the activities of a terrorist organization); “Sergei Dziuba's case of participation in the activities of a terrorist organisation”. Sentence (September 10, 2025): 20 years' imprisonment in a strict-regime penal colony. Status: imprisoned; deprived of liberty since October 3, 2025. Recognition: Memorial: Support for Political Prisoners — recognised as a political prisoner, February 17, 2026.
In brief
Military personnel, Medical workers · Terrorism cases
Sentence
20 years
imprisonment in a strict-regime penal colony
No information about an appeal ruling.
Charges
- Article 205.3, Russian Criminal Code — Receiving training for the commission of terrorist crimes
- Article 205.5 part 2, Russian Criminal Code — Participation in the activities of a terrorist organization
Full wording of the charges
According to the investigation, "in May 2024, he voluntarily joined the paramilitary formation of the 24th separate assault battalion "Aidar" of the AFU (a terrorist organisation banned in Russia). Having undergone military training on the territory of training bases in the town of Druzhkovka, Kramatorsk district, as a rifleman-sanitarian, he took part in combat operations against civilians of the DNR and servicemen of the Russian Federation".
Latest event
February 17, 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 17, 2026
Timeline
· Recognised as a political prisoner
Memorial: Support for Political Prisoners
· Imprisonment begins
· First-instance verdict
guilty verdict · 20 years
· Added to the Rosfinmonitoring list of “terrorists and extremists”
Criminal case
Sergei Dziuba's case of participation in the activities of a terrorist organisation
- Case number
- 1-517/2025
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The address is not listed in the database.
Details and sources
Full summary
Ukrainian serviceman, combat medic. In the spring of 2024, he was captured. He was charged with participating in the activities of a terrorist organization due to his affiliation with the Aidar battalion. In June 2025, the case was brought to court. On September 10, 2025, Dziuba was sentenced to 20 years in a strict-regime penal colony.
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.