Around 798,000 shares were sold at RON34 a unit, 6.22% higher than the reference price.
At 14:30 local time, Conpet shares traded up 9.03% on the day at RON34.9.
Conpet is 58.7%-owned by the Economy Ministry. Investment fund Fondul Proprietatea (FP.RO) controls a 20.05% stake, while other investors own the remaining shares. (EUR1=RON4.262)