I don’t think so insofar as the impetus for the share-price pop was an action taken by Nelson Peltz rather than anything that MDLZ itself did. Although Peltz has previously agitated for change at the legacy Kraft, he doesn’t have any formal affiliation with MDLZ.
p.s. Welcome to the board!
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”