Pension Insurance Company Toplina acquired 5.5% stake in Synthetica AD (BUL:EHN) on August 18, 2017. Under the terms of the transaction, Pension Insurance Company Toplina acquired 0.17 million Synthetica shares. Pension Insurance Company Toplina completed the acquisition of 5.5% stake in Synthetica AD (BUL:EHN) on August 18, 2017.