Unimicron Technology (TPE:3037) has completed the registration of a capital reduction linked to a restricted stock award (RSA) write-off, according to a Monday Taiwan Exchange filing.
Shares slumped over 7% in Tuesday's midday trade.
The company cancelled 373,500 shares, reducing its paid-in capital to NT$15.752 billion from NT$15.755 billion.
Following the adjustment, outstanding shares declined to nearly 1.58 billion, it said.