Kingspan chief executive Gene Murtagh made €6.7 million from the exercise of share options last week.
Murtagh spent just under €25,000 buying 187,826 shares which he then sold at a share price of €36, netting more than €6.7 million.
It comes just after American investment giant Blackrock spent nearly €60 million in pushing its holding in Kingspan to more than 4 per cent and is sitting on shares worth €264 million.
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