Private equity deals

April 30, 2013, 6:20 PM UTC

Brain Balance Holdings Inc., franchisor and operator of supplemental educational centers focused on children with learning disabilities, has raised an undisclosed amount of private equity funding fromCrane Street

Charterhouse Capital Partners has agreed to acquire German insulation firm Armacell fromInvestcorp for more than €500 million. Other suitors had included HgCapital and Pamplona Capital Management.

Mercury Capital has acquired a 30% stake in Australian clinical drug trials company Novotech. No financial terms were disclosed for the deal, which includes an option for Mercury to increase its holding to 50%.

Sign up for Dan’s daily email newsletter on deals and deal-makers: