CMC Magnetics (TPE:2323) disposed of 991,000 shares of Dynapack International Technology (TWO:3211) for NT$318.1 million.
The shares were sold between Oct. 27 and Nov. 3 at an average price of NT$320.97 per share, according to a Monday Taiwan Exchange filing.
The transaction generated a gain of NT$59,696, the company said.
Following the sale, CMC Magnetics holds over 5 million Dynapack shares, representing a 3.28% stake.
The sale was made for portfolio management purposes, the optoelectronic products manufacturer said.