Jeon Dong-gyu reported holding 20.51% of Seojin System.

Jeon Dong-gyu filed a report on major holdings (5% or more) of Seojin System shares dated Oct 16, 2026. The filing states holdings of 13,068,517 shares (20.51%).

Written in code from the structured data of the filing. Reference information, not investment advice.

Key figures

Reporting person

Jeon Dong-gyu

Report form

General form

Shares held

13,068,517 shares

Ownership

20.51%

Change in shares

0 shares

Change in ownership

0.00 percentage points

Report date

Oct 16, 2026

Filing facts

Filing type

Major Holding Report

Report name

Report on Major Holdings of Shares (General Form)

Filed

Oct 16, 2026

Receipt number

20261016000432