CMC Magnetics (TPE:2323) sold 927,000 shares in Dynapack International Technology (TWO:3211) for NT$356.9 million.
The shares were sold between Aug. 27 and Sept. 21, at an average NT$385.05 each, according to a Monday filing with the Taiwan bourse.
The transaction generated a gain of NT$13.6 million, and was made for portfolio management.