Norwegian salmon farming giant Norway Royal Salmon's (NRS) Chairman Helge Gaso increased his stake in the company buying 100,000 shares at a unit price of NOK 205 (€21.30/$23.90) through his company Gaso Naeringsutvikling, NRS said on Friday.

In total, the transaction is worth NOK 20.5 million (€2.1 million/$2.4 million).

Gaso was already the largest shareholder in NRS with a 15 percent stake in the company prior to the transaction.