19 December 2021 :

Bakhtiar Sarmadi and Hossein Heydarzadeh executed in Adel-Abad Prison on December 12.
Iran Human Rights reported the execution of two inmates identified as Bakhtiar Sarmadi and Hossein Heydarzadeh in Shiraz Central Prison, aka Adel Abad (Adelabad) Prison, in Shiraz City. Sarmadi and Heydarzadeh were charged with killing a man five years ago.
None of the official sources and media outlets inside the country have reported this execution at the time of writing.

Three Inmates Executed in Isfahan Prison and Adel-Abad Prison in Shiraz - Hrana (en-hrana.org)