장영석

장영석 appears in our data through filings on 대성하이텍 shares, published by DART (FSS). Over a trading history stretching from 18 August 2026 to 7 October 2026, the count stands at 2 filings.

Every open-market trade on record is a purchase: 1 purchase, and no sale. The totals exclude 1 filing filed without an amount. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket.

Most recently, on 7 October 2026, the filings show a transaction in 대성하이텍. The latest purchase dates back some time: it was published 68 days ago, on 18 August 2026. Source: insider filings from DART (FSS). Past trades are no guide to future returns.