• DY Holdings and related parties’ stake in SFA Engineering fell to 43.44% from 43.45% as of October 21, 2026.
• Combined holdings declined by 3,656 shares to 15,599,272 shares.
• Shares pledged as collateral decreased to 9,519,959, representing 26.51% of outstanding shares, from 9,627,959, or 26.81%.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. SFA Engineering Corporation published the original content used to generate this news brief via DART, the regulatory disclosure system operated by the South Korea Financial Supervisory Service (FSS) (Ref. ID: 20261021000274), on October 21, 2026, and is solely responsible for the information contained therein.