Arsentii Derenutsa
Arsentii Derenutsa, born 1983, Altai Krai. Charges: Article 275, Russian Criminal Code (Treason against the state); “Arsentii Derenutsa's case of confidential co-operation with foreigners”. Sentenced on May 15, 2026. Status: imprisoned; deprived of liberty since January 10, 2025; place of detention: Pre-trial detention centre No. 1, Altai Krai. Recognition: Memorial: Support for Political Prisoners — recognised as a political prisoner, September 23, 2025.
In brief
Altai Krai · Construction workers
Sentence
16 years
Imprisonment (strict regime), Fine
First instance, December 19, 2024: 5 years
Charges
- Article 275, Russian Criminal Code — Treason against the state
Latest event
May 15, 2026 — appeal
The court upheld the verdict.
Recognition by rights defenders
- Recognised as a political prisoner — Memorial: Support for Political Prisoners, September 23, 2025
Timeline
· Appeal ruling
upheld
· Imprisonment begins
Pre-trial Detention Centre №1 (SIZO-1) of the Federal Penitentiary Service of Russian Federation for for Altai Krai
· Preventive measure: transfer between facilities
· Recognised as a political prisoner
Memorial: Support for Political Prisoners
· First-instance verdict
guilty verdict · 5 years
Criminal case
Arsentii Derenutsa's case of confidential co-operation with foreigners
- Case number
- 2-35/2024, 2-4/2026 (2-30/2025;)
Write a letter
Facility: Pre-trial detention centre No. 1, Altai Krai
Address (in Russian, as written on the envelope)
656021, Алтайский край, г. Барнаул, Канатный пр-д, д. 81, ФКУ СИЗО-1 УФСИН России по Алтайскому краю, Деренуца Арсентий, 1983 г.р.
Details and sources
Full summary
A resident of the Altai Territory. A case of confidential co-operation with foreigners was brought against him. On 19 December 2024 Derenutsa was sentenced to five years in a general regime colony. On 30 September 2025, the court of cassation instance cancelled the sentence. The charge was then reclassified to treason. In December 2025, the case came back to court.
All fields of the record
- Citizenship
- , Russia
Other people prosecuted under Article 275, Russian Criminal Code
Under the same article, not necessarily in the same case.