董彥良

董彥良 discloses dealings in 群光 to TWSE / TPEx (MOPS). In total, 2 filings cover trades dated from 21 April 2026 to 7 July 2026.

No open-market purchase or sale appears among the filings, only grants, plan transactions and other operations. Such operations are usually part of compensation schedules, which makes them a weaker signal than an open-market trade.

Most recently, on 7 July 2026, the filings show a transaction in 群光. These figures are compiled from regulatory filings published by TWSE / TPEx (MOPS). They describe what insiders did and are not a recommendation.