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SEOJIN SYSTEM CO.,LTD — 2026 filings

All 81 regulatory filings released by SEOJIN SYSTEM CO.,LTD (178320) in 2026, sourced directly from the official regulator.

81 Filings
2026 Period
2026 filings (81)
Filing Released Lang
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Regulatory Filings
2026-05-21 Korean
단일판매ㆍ공급계약체결
Regulatory Filings
2026-05-18 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Q1 2026
2026-05-15 Korean
임원ㆍ주요주주특정증권등거래계획보고서
Director's Dealing
2026-05-12 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
주식등의대량보유상황보고서(일반)
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
주식등의대량보유상황보고서(약식)
Regulatory Filings
2026-05-08 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Regulatory Filings
2026-05-04 Korean
소속부변경
Regulatory Filings
2026-04-30 Korean
증권발행결과(자율공시) (제3자배정 유상증자)
Regulatory Filings
2026-04-30 Korean
단일판매ㆍ공급계약체결
Regulatory Filings
2026-04-28 Korean
주요사항보고서(유상증자결정)
Share Issue/Capital Change
2026-04-22 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification
2026-04-22 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-04-20 Korean
[기재정정]임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-04-20 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Regulatory Filings
2026-04-20 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-04-13 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Regulatory Filings
2026-04-13 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-04-13 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-04-13 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-04-13 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-04-13 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-04-13 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-04-13 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-04-13 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification
2026-04-08 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-04-06 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Capital/Financing Update
2026-04-06 Korean
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements
2026-03-31 Korean
주식매수선택권부여에관한신고
Share Issue/Capital Change
2026-03-31 Korean
[기재정정]주식매수선택권부여에관한신고
Share Issue/Capital Change
2026-03-27 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-03-27 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-03-27 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-03-23 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Regulatory Filings
2026-03-23 Korean
감사보고서제출
Audit Report / Information FY 2025
2026-03-23 Korean
사업보고서 (2025.12)
Audit Report / Information FY 2025
2026-03-23 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-03-23 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-03-23 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-03-23 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Share Issue/Capital Change
2026-03-17 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-03-17 Korean
단일판매ㆍ공급계약체결
Regulatory Filings
2026-03-17 Korean
주주총회소집공고
Proxy Solicitation & Information Statement
2026-03-16 Korean
의결권대리행사권유참고서류
Proxy Solicitation & Information Statement
2026-03-16 Korean
주주총회소집결의
Proxy Solicitation & Information Statement
2026-03-16 Korean
매출액또는손익구조30%(대규모법인은15%)이상변동
Management Reports
2026-03-13 Korean
연결재무제표기준영업(잠정)실적(공정공시)
Earnings Release Q4 2025
2026-03-13 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Capital/Financing Update
2026-03-10 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-03-05 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-03-05 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Regulatory Filings
2026-03-04 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Regulatory Filings
2026-02-27 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Share Issue/Capital Change
2026-02-26 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-02-20 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification
2026-02-10 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-02-10 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-02-10 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing
2026-02-10 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-02-09 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-02-09 Korean
[기재정정]전환청구권행사 (제20회차)
Share Issue/Capital Change
2026-02-05 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Share Issue/Capital Change
2026-02-05 Korean
[기재정정]전환청구권행사 (제20회차)
Capital/Financing Update
2026-02-04 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Share Issue/Capital Change
2026-02-04 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Share Issue/Capital Change
2026-02-02 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-01-30 Korean
주요사항보고서(제3자의전환사채매수선택권행사)
Capital/Financing Update
2026-01-30 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification
2026-01-29 Korean
전환청구권행사 (제20회차)
Capital/Financing Update
2026-01-28 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Share Issue/Capital Change
2026-01-27 Korean
신주인수권행사 (제21회차)
Share Issue/Capital Change
2026-01-27 Korean
최대주주변경을수반하는주식담보제공계약체결
Regulatory Filings
2026-01-27 Korean
임원ㆍ주요주주특정증권등거래계획철회보고서
Director's Dealing
2026-01-26 Korean
임원ㆍ주요주주특정증권등거래계획보고서
Director's Dealing
2026-01-26 Korean
주식등의대량보유상황보고서(일반)
Regulatory Filings
2026-01-13 Korean