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PSK HOLDINGS INC. — Investor Relations & Filings

Ticker · 031980 ISIN · KR7031980006 KO Manufacturing
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Filings indexed 231 across all filing types
Latest filing 2026-05-15 Interim / Quarterly Rep…
Country KR South Korea
Listing KO 031980

About PSK HOLDINGS INC.

https://pskholding.com/

PSK HOLDINGS INC. is a manufacturer of semiconductor processing equipment. The company specializes in developing core manufacturing technologies for wafer fabrication and advanced packaging processes, such as 3D IC packaging. Its main product lines include the GENEVA series for fluxless reflow, which holds a significant global market share and provides solutions for Fan-Out Wafer-Level Packaging (FOWLP). Other key products are the ECOLITE series for descum and surface treatment, and the HDW series for rapid thermal processing. The company focuses on research and development to create equipment for next-generation semiconductors.

Recent filings

Filing Released Lang Actions
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is titled ‘분기보고서’ (Quarterly Report) covering the period January 1 2026 to March 31 2026 and includes extensive financial statements (summary financials, consolidated statements, notes, segment reporting), management analysis, risk disclosures, and auditor’s report. It is a full interim/quarterly financial report, not merely an announcement or summary. This corresponds to the Interim / Quarterly Report category. Q1 2026
2026-05-15 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 85% confidence The document is a ‘주식등의 대량보유상황보고서(일반)’ filed under the Capital Markets Act (자본시장과 금융투자업에 관한 법률 제147조), detailing a person’s large shareholding, related parties, and changes in share counts. This matches a Major Shareholding Notification (code MRQ).
2026-05-14 Korean
기업설명회(IR)개최
Investor Presentation Classification · 75% confidence The document is an announcement of a 예정된 기업설명회(IR) event, listing date, time, venue, participants, purpose, and where IR materials will be posted. It is not a financial report or earnings release but an investor presentation event notice, which falls under the Investor Presentation category.
2026-05-11 Korean
기업가치제고계획(자율공시) ((2025년 이행현황))
Regulatory Filings
2026-04-30 Korean
[기재정정]임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 92% confidence The document is a detailed correction to the “임원ㆍ주요주주 특정증권등 소유상황보고서,” which is a statutory insider share ownership and transaction disclosure filed by a company director (an executive) and major shareholder. It lists shareholdings, changes (acquisitions/disposals), transaction dates, and corrected transaction price. This matches our “Director's Dealing” category, which covers insider share transactions by directors/executives. It is not a simple announcement of a report, nor an annual/interim report, but the actual insider transaction report form.
2026-04-15 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 97% confidence The document is a detailed "주식등의 대량보유상황보고서" (Major Shareholding Situation Report) filed under the Capital Markets Act, showing the number of shares and changes in ownership by a significant shareholder and related parties. It lists beneficial owners, share counts, percentages before and after the reporting date, reasons for changes, and detailed transaction history. This matches the definition of a Major Shareholding Notification (MRQ). There is no indication this is an announcement of a report publication or an earnings release, but rather the substantive report itself.
2026-04-15 Korean

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