SK hynix Inc. Stock: price and insider trades · South Korea

SK hynix Inc., founded in 1983, is a Technology company based in Icheon, South Korea. Its directors and officers file their transactions with DART (FSS). The last twelve months, up to 18 October 2026, brought 323 filings signed by 219 insiders.

Both sides are active: 305 purchases worth €857k and 15 sales worth €793k, from 215 insiders and 11 insiders respectively. The totals do not cover 309 filings with an undisclosed amount. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. On the buying side, the filings list 169 senior executives, 6 board members and 5 chief executives among the declarants. Biggest ticket of the year: €634k, sold by 정인철 and made public on 26 March 2026 (0.0001% of market cap).

The data flag 13 purchases as part of a group of insiders buying within 30 days of each other. Purchases made close together by different insiders form what is called a cluster. The clock since the last published purchase (30 September 2026) now reads 18 days. Typically, a trade is published a median of 6 days after it takes place. The shorter that gap, the sooner other investors can see what insiders have done.

Across the 2,630 companies tracked on its exchange, the median is 7 filings; at 323 filings, this issuer sits above that mark. Since 2021, the database holds 715 purchases and 28 sales by insiders of the company.

Other companies in the same sector with recent insider buying flagged by our signals: Core Scientific, Inc./tx and Gitlab Inc. These figures are compiled from regulatory filings published by DART (FSS). They describe what insiders did and are not a recommendation.