Sonova Executives Resign After Insider Trading Investigation

Sonova Holding AG said its chairman, chief executive and finance chief are resigning their posts after a delayed profit warning prompted an investigation into possible insider trading at the Swiss hearing-aid maker.

Chief Executive Officer Valentin Chapero and Oliver Walker, Sonova’s chief financial officer, have handed in their resignations, the Staefa, Switzerland-based company said in a statement today. Chairman Andy Rihs will also step down from his post while remaining on the board, Sonova said. The board appointed Robert Spoerry as its new chairman. Alexander Zschokke will be interim CEO.