Skip to main content
HANSUN ENGINEERING CO., LTD. logo

HANSUN ENGINEERING CO., LTD. — Investor Relations & Filings

Ticker · 452280 ISIN · KR7452280001 KO Manufacturing
Open in API
Filings indexed 74 across all filing types
Latest filing 2026-06-01 Director's Dealing
Country KR South Korea
Listing KO 452280

About HANSUN ENGINEERING CO., LTD.

https://www.slok.co.kr/

Hansun Engineering Co., Ltd. is a specialized manufacturer of instrumentation tube fittings and valves for fluid systems. The company designs and produces a comprehensive portfolio of products, including connectors, filters, and ultra-high purity (UHP) components such as valves and clean fittings, often marketed under the S-LOK brand. These components are critical for applications across numerous industries, including shipbuilding, offshore plants, oil and gas exploration and production, refinery, petrochemical, hydraulics, and semiconductor manufacturing. Hansun Engineering supports its clients by providing both its product line and associated engineering services for instrumentation, flow, and process control systems.

Recent filings

Filing Released Lang Actions
임원ㆍ주요주주특정증권등거래계획보고서
Director's Dealing Classification · 97% confidence The document is a regulatory report filed with the Securities and Futures Commission and Korea Exchange by a corporate insider (a major shareholder or director) outlining planned transactions in the company’s securities. It details the insider’s current ownership, planned disposal dates, number of shares, prices, and rationale for the trades. This matches the definition of a Director’s Dealing report (insider share transaction notification), code DIRS.
2026-06-01 Korean
[기재정정]분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is a Korean ‘분기보고서’ (quarterly report) for the period January 1 to March 31, 2026, containing full financial statements, company overview, history, capital movements, and detailed correction (정정신고) of the originally filed quarterly report. The length (180,526 characters) and substantive financial content confirm this is the actual interim/quarterly report itself rather than a mere announcement or certification. Therefore, it should be classified as an Interim / Quarterly Report. Q1 2026
2026-05-14 Korean
파생상품거래손실발생
Regulatory Filings Classification · 85% confidence The document is a Korean stock exchange disclosure announcing a derivative transaction loss (conversion bond embedded derivative), outlining loss amount, equity impact, cause, and references to related filings. It does not contain full financial statements or constitute a quarterly/interim report, nor is it a proxy or dividend notice. It is a standalone regulatory event announcement that does not fit other specific categories, so it falls under the general Regulatory Filings category (RNS).
2026-05-12 Korean
주요사항보고서(자기전환사채만기전취득결정)
Regulatory Filings Classification · 72% confidence The document is a mandatory Korean stock exchange major event report (“주요사항보고서”) announcing the company’s decision to repurchase its own convertible bonds before maturity. It contains no substantive financial statements or earnings data, nor is it an AGM or management report. It is not a share repurchase under “Transaction in Own Shares” (which covers equity only), nor a capital raise. Therefore it falls under the miscellaneous regulatory announcement category: Regulatory Filings (RNS).
2026-05-12 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is a comprehensive Korean "분기보고서" covering the 15th fiscal period from January 1, 2026, to March 31, 2026, including detailed company overview, historical events, capital changes, share structure, and likely financial statements. It is a full interim/quarterly report, not merely an announcement or attachment notice. Therefore, it matches the definition of an Interim / Quarterly Report (IR). Q1 2026
2026-05-12 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is titled '주식등의 대량보유상황보고서(약식)' which translates to 'Report on Large Shareholding Status (Abbreviated)'. It contains detailed information about shareholding changes, including the number of shares held, ownership percentages, changes due to conversion of convertible bonds, and detailed transaction history of share acquisitions and disposals. The document references legal requirements under capital market laws and includes data about the reporting entity and related parties. This type of document corresponds to notifications about major shareholding changes, which is consistent with the category 'Major Shareholding Notification' (Code: MRQ). The document length is 7651 characters, which is substantive and contains detailed data, not just an announcement or certification. Therefore, the correct classification is MRQ with high confidence.
2026-05-08 Korean

Browse filings by year

8 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.