SIG tumbles after second CEO change in a year

SIG AG

17/08/2026 08:54

 ** Shares in SIG Group SIGNC.S slump 16.6%, after the Swiss paper packaging company named CFO Ann-Kristin Erkens CEO with immediate effect, replacing Mikko Keto less than six months after he took over
** The move marks SIG's second CEO change in a year after former CEO Samuel Sigrist stepped down with immediate effect in August 2025
** Vontobel says the latest change raises fresh questions about leadership stability ahead of SIG's Capital Markets Day on Oct. 27 
** The broker adds that combining the CEO and CFO roles is "inherently transitional" until a permanent CFO successor is appointed
** Stock falls to the bottom of the STOXX 600 and is on track for its worst day since Sept. 2025; 

    ** Including today's fall  the stock has gained 13.76% YTD​

(Reporting by Kira Britten)
((Kira.Britten@thomsonreuters.com))