Skip to main content
PSK INC. logo

PSK INC. — Investor Relations & Filings

Ticker · 319660 ISIN · KR7319660007 KO Manufacturing
Open in API
Filings indexed 199 across all filing types
Latest filing 2025-06-27 Report Publication Anno…
Country KR South Korea
Listing KO 319660

About PSK INC.

https://www.pskinc.com/

PSK INC. is a global manufacturer of semiconductor processing equipment specializing in wafer surface treatment technologies. The company is a market leader in plasma dry strip applications, providing solutions for photoresist and residue removal. Its product portfolio includes the SUPRA series for dry stripping, the INTEGER series for dry cleaning of high-aspect ratio structures, the OMNIS series for new hard mask (NHM) stripping, and the PRECIA series for wafer edge cleaning. PSK's equipment is utilized in the mass production of memory and logic devices, and the company focuses on developing core manufacturing technologies for next-generation semiconductors.

Recent filings

Filing Released Lang Actions
기업설명회(IR)개최
Report Publication Announcement Classification · 1% confidence The document is a short announcement regarding an upcoming Investor Relations (IR) event (기업설명회). It provides details such as the date, location, purpose, and participants for a 'KOSDAQ Connect 2025' meeting. Since it is an announcement of an event rather than the presentation materials themselves, and it is under 5,000 characters, it falls under the category of a regulatory announcement regarding company activities.
2025-06-27 Korean
분기보고서 (2025.03)
Interim / Quarterly Report Classification · 1% confidence The document is a 'Quarterly Report' (분기보고서) for the company 'PSK Inc.' covering the period from January 1, 2025, to March 31, 2025. It contains detailed financial statements, management discussion and analysis, and corporate governance information, which aligns with the definition of an Interim/Quarterly Report (IR). Q1 2025
2025-05-15 Korean
기업가치제고계획(자율공시)
Management Reports Classification · 1% confidence The document is a short regulatory filing (1192 characters) titled 'Corporate Value Enhancement Plan' (기업가치 제고 계획). It explicitly states in section 5 that the detailed information is contained in an attached document ('상세 내용은 첨부된...을 참고하시기 바랍니다'). According to the 'Menu vs Meal' rule, since this is a short announcement directing the reader to an attached report, it is classified as a Report Publication Announcement (RPA).
2025-04-30 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 1% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding), which is a standard regulatory filing in South Korea (often referred to as a 5% rule filing). It details the change in shareholding percentage by the National Pension Service in the company 'PSK Inc.' (피에스케이(주)). This type of filing is specifically categorized as a Major Shareholding Notification (MRQ) in the provided schema.
2025-04-01 Korean
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 1% confidence The document is an official report of the results of a General Meeting of Shareholders (AGM) for the company '피에스케이' (PSK). It details the outcomes of agenda items such as financial statement approval, dividend declarations, and the election of directors and auditors. This aligns perfectly with the definition of a Declaration of Voting Results & Voting Rights Announcement (DVA).
2025-03-31 Korean
사외이사의선임ㆍ해임또는중도퇴임에관한신고
Board/Management Information Classification · 1% confidence The document is a formal regulatory filing titled '사외이사의 선임ㆍ해임 또는 중도퇴임에 관한 신고' (Report on the Appointment, Dismissal, or Resignation of Outside Directors). It is submitted to the Financial Services Commission/Korea Exchange. Since it specifically details changes to the board of directors (appointment of an outside director), it falls under the 'Board/Management Information' category.
2025-03-31 Korean

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.