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TSI Co., Ltd. — Investor Relations & Filings

Ticker · 277880 ISIN · KR7277880001 KO Professional, scientific and technical activities
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Filings indexed 570 across all filing types
Latest filing 2026-05-20 Regulatory Filings
Country KR South Korea
Listing KO 277880

About TSI Co., Ltd.

http://www.tsikr.com/

TSI Co., Ltd. is a manufacturing company specializing in equipment for the secondary battery industry. The company's primary focus is on the design, production, and sale of advanced mixing systems essential for the electrode manufacturing process. Its core products include planetary disperser (PD) mixers, slurry mixing systems, powder transfer systems, and high-speed dispersers. TSI concentrates its expertise on mixing technology, developing custom-made machinery to meet the specific needs of battery manufacturers.

Recent filings

Filing Released Lang Actions
[기재정정]단일판매ㆍ공급계약체결
Regulatory Filings Classification · 95% confidence The document is a Korean stock exchange disclosure amending a previously filed single sales and supply contract (“단일판매ㆍ공급계약체결”) with corrected contract period dates. It does not contain financial statements or shareholder voting, nor is it an earnings release, management change, M&A, dividend notice, or report publication announcement. It is a general regulatory announcement (a correction filing) for a contract. Under our taxonomy, this falls into the fallback category Regulatory Filings (RNS).
2026-05-20 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 94% confidence The document is a Korean ‘임원ㆍ주요주주 특정증권등 소유상황보고서’ filed with the Financial Services Commission and Korea Exchange, detailing an officer’s (부사장) shareholdings and transactions (purchases/sales) of the company’s stock. This is a personal insider trading disclosure by a director/executive. It matches the definition of Director’s Dealing (DIRS).
2026-05-19 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 98% confidence The document is a formal insider shareholding report filed with the Korean Securities and Futures Commission and Korea Exchange. It details an officer’s (임원) specific securities holdings and incremental transactions on given dates. This matches the definition of a director’s dealing (insider trades) disclosure rather than a general capital update or report publication. Hence, the correct classification is Director’s Dealing (DIRS).
2026-05-14 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is the Korean regulatory filing “임원ㆍ주요주주 특정증권등 소유상황보고서,” which details an executive’s shareholdings and changes (dates, quantities, purchase transactions). It is a classic insider transaction report by a director. Therefore it falls under Director’s Dealing (insider trades) – Code DIRS.
2026-05-14 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is a statutory Korean 분기보고서 (“Quarterly Report”) covering the first quarter of the 16th fiscal year (2026-01-01 to 2026-03-31), filed with the Financial Services Commission and Korea Exchange. It contains detailed financial and corporate disclosures (company overview, historical changes, capital changes, share information, treasury stock transactions), meeting all criteria for an Interim/Quarterly Report rather than an announcement or summary. This matches filing category IR. Q1 2026
2026-05-12 Korean
주주명부폐쇄기간또는기준일설정
Regulatory Filings Classification · 85% confidence The document is a regulatory announcement setting the shareholders’ register closure period or record date for an upcoming meeting, without containing financial statements or voting results. It is not the report itself but a corporate regulatory notice. No specific form or direct financial report content is included. This falls under the general Regulatory Filings category (RNS).
2026-05-11 Korean

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