He is certainly positioning the company to make a move by liquidating PG & Brian Baldwin has step down from nVent board on May 1, 2020.
IMHO I do not see him taking a big stake in ACB. Like you said he already advises. He typically goes after larger companies so he squeeze some cost-savings & instill some disciple. Maybe SWK, EMR, KDP, CHD, PFE, KO - I am simply speculating - sorry, I have no advantage to provide.