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Investor relations

We provide you with QSI’s investment information.

Disclosure Information
No. Disclosure title A person liable for submission Date
20 [Including consolidation] Business report (general corporation) QSI 2025-03-17
[Including consolidation] Business report (general corporation)
  • Person obligated to submitQSI
  • Date2025-03-17
20 Submission of audit report QSI 2025-03-17
Submission of audit report
  • Person obligated to submitQSI
  • Date2025-03-17
20 Announcement of general meeting of shareholders QSI 2025-03-07
Announcement of general meeting of shareholders
  • Person obligated to submitQSI
  • Date2025-03-07
20 Reference documents QSI 2025-03-07
Reference documents
  • Person obligated to submitQSI
  • Date2025-03-07
20 Resolution to convene a general meeting of shareholders QSI 2025-02-24
Resolution to convene a general meeting of shareholders
  • Person obligated to submitQSI
  • Date2025-02-24
20 Decision on cash and in-kind dividends QSI 2025-02-24
Decision on cash and in-kind dividends
  • Person obligated to submitQSI
  • Date2025-02-24
20 Changes in sales or profit structure of more than 30% (15% for large corporations) QSI 2025-02-24
Changes in sales or profit structure of more than 30% (15% for large corporations)
  • Person obligated to submitQSI
  • Date2025-02-24
20 신탁계약에의한 취득 상황보고서 QSI 2025-02-21
신탁계약에의한 취득 상황보고서
  • Person obligated to submitQSI
  • Date2025-02-21
20 단기과열종목(3거래일 단일가매매) 지정 코스닥시장본부 2025-01-03
단기과열종목(3거래일 단일가매매) 지정
  • Person obligated to submit코스닥시장본부
  • Date2025-01-03
20 (예고)단기과열종목(3거래일 단일가매매) 지정예고 코스닥시장본부 2024-12-30
(예고)단기과열종목(3거래일 단일가매매) 지정예고
  • Person obligated to submit코스닥시장본부
  • Date2024-12-30
20 [투자주의]15일간 상승종목의 당일 소수계좌 매수관여 과다종목 시장감시위원회 2024-12-30
[투자주의]15일간 상승종목의 당일 소수계좌 매수관여 과다종목
  • Person obligated to submit시장감시위원회
  • Date2024-12-30
20 Set shareholder list closure period or base date QSI 2024-12-12
Set shareholder list closure period or base date
  • Person obligated to submitQSI
  • Date2024-12-12
20 [정정]주식등의대량보유상황보고서(일반) 삼화양행 2024-12-05
[정정]주식등의대량보유상황보고서(일반)
  • Person obligated to submit삼화양행
  • Date2024-12-05
20 [정정]주식등의대량보유상황보고서(일반) 삼화양행 2024-12-05
[정정]주식등의대량보유상황보고서(일반)
  • Person obligated to submit삼화양행
  • Date2024-12-05
20 Financial Statements QSI 2024-11-21
Financial Statements
  • Person obligated to submitQSI
  • Date2024-11-21
20 주식등의대량보유상황보고서(일반) 삼화양행 2024-11-20
주식등의대량보유상황보고서(일반)
  • Person obligated to submit삼화양행
  • Date2024-11-20
20 [투자주의]소수계좌 거래집중 종목 시장감시위원회 2024-11-14
[투자주의]소수계좌 거래집중 종목
  • Person obligated to submit시장감시위원회
  • Date2024-11-14
20 Quarterly report (general corporation) QSI 2024-11-13
Quarterly report (general corporation)
  • Person obligated to submitQSI
  • Date2024-11-13
20 주식등의대량보유상황보고서(일반) 삼화양행 2024-10-25
주식등의대량보유상황보고서(일반)
  • Person obligated to submit삼화양행
  • Date2024-10-25
20 신탁계약해지결과보고서 QSI 2024-10-17
신탁계약해지결과보고서
  • Person obligated to submitQSI
  • Date2024-10-17
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