Yan Sergienko
Yan Sergienko, born 2003. 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); “Jan Sergienko's case of involvement in the activities of a terrorist community”. Sentence (March 17, 2026): Taking into account the previous sentence, 28 years' imprisonment in a strict-regime penal colony. Status: imprisoned; deprived of liberty since April 9, 2026.
In brief
Military personnel · Terrorism cases
Sentence
Taking into account the previous sentence, 28 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 205.4 part 2, Russian Criminal Code — Participation in a terrorist community
Latest event
April 9, 2026 — imprisonment begins
Timeline
· Imprisonment begins
· First-instance verdict
guilty verdict
· Added to the Rosfinmonitoring list of “terrorists and extremists”
Criminal case
Jan Sergienko's case of involvement in the activities of a terrorist community
- Case number
- 1-605/2026
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The address is not listed in the database.
Details and sources
Full summary
Ukrainian serviceman. In the spring of 2022, he was taken prisoner in Mariupol. On 18 March 2024, a court in the occupied part of the Donetsk region of Ukraine sentenced him to 27 years in a strict regime colony on charges of attempted murder, employing prohibited methods of warfare and damage to property: according to the prosecution, he, together with other Ukrainian servicemen, shelled residential houses and civilian infrastructure on the outskirts of Mariupol. In addition, a case was opened against him on charges of participation in the activities of a terrorist organisation due to his involvement in the activities of the Azov battalion. In January 2026, the case was referred to court. On 17 March 2026, Sergiyenko was sentenced to 28 years' imprisonment in a strict regime colony on this case, taking into account the previous sentence.
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.