Chase Corporation (NYSEAM:CCF) shares rose 4%, to $128, in aftermarket trading Friday after The Wall Street Journal reported it is seeking a possible sale. The stock, which closed down 1.1%, to $123.08, is up 43% on the year. Chase Corp.

is working with financial advisers on a possible sale that has drawn interest from private-equity firms and industry players, the Journal reported, citing people familiar with the matter. The Westwood, Mass., company has already received multiple bids, one of them from private-equity firm Pritzker Private Capital, according to the report, which added that the size of Pritzker's bid couldn't be determined.