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Bistos Co., Ltd. — Investor Relations & Filings

Ticker · 419540 ISIN · KR7419540000 KO Manufacturing
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Filings indexed 111 across all filing types
Latest filing 2026-05-22 Regulatory Filings
Country KR South Korea
Listing KO 419540

About Bistos Co., Ltd.

https://www.bistos.co.kr/

Bistos Co., Ltd. is a company that researches, develops, and manufactures medical equipment. The company's name is an abbreviation for 'Bio Signal Total Solution,' reflecting its specialization in biosignal-based diagnostic and monitoring devices. Its product portfolio is concentrated in maternal and neonatal care, as well as general patient monitoring. Key product categories include fetal monitors, ultrasound doppler systems, infant incubators, phototherapy units, and patient vital sign monitors. The company also offers a range of other devices such as electric breast pumps, medical headlamps, infrared thermometers, and a transcutaneous nerve stimulator for the treatment of ADHD.

Recent filings

Filing Released Lang Actions
주권매매거래정지해제 (액면병합 주권 변경상장)
Regulatory Filings Classification · 90% confidence The document is a brief regulatory announcement in Korean regarding the lifting of a suspension of trading on the KOSDAQ market (“주권매매거래정지해제”), citing specific market rules. It does not present financial results, management discussion, or other specialized report content, nor is it an actual financial report or a notice of a corporate action like a dividend or delisting. It fits the generic regulatory announcement category as a compliance-related notice. Therefore, the appropriate classification is Regulatory Filings (RNS).
2026-05-22 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is titled “분기보고서” (Quarterly Report) for the period 2026-01-01 to 2026-03-31 (1Q 2026), issued to the Financial Services Commission and Korea Exchange, and contains extensive financial and corporate disclosures (company overview, share capital, governance, treasury shares, business description, etc.). This matches the definition of an Interim/Quarterly Report (IR), not merely an announcement or certification. Q1 2026
2026-05-14 Korean
주권매매거래정지 (주식의 병합, 분할 등 전자등록 변경, 말소)
Share Issue/Capital Change Classification · 85% confidence The document is an official notice of a trading suspension ('주권매매거래정지') on the KOSDAQ due to a share consolidation (reverse stock split) for Vistos Co., Ltd. This falls under capital structure changes (share consolidation/split) rather than a delisting or financial report. Therefore, it matches the 'Share Issue/Capital Change' category (SHA).
2026-04-27 Korean
[기재정정]주식병합결정
Share Issue/Capital Change Classification · 90% confidence The document is an official announcement of a stock consolidation (reverse share split) including details on consolidation ratio, effective dates, trading suspension, listing schedule, board resolution date, and related adjustments. This represents a capital change rather than a financial results report or management discussion. It fits under the “Share Issue/Capital Change” category.
2026-04-23 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 90% confidence The document is a Korean ‘주식등의 대량보유상황보고서(약식)’, i.e. a large shareholding report filed under the Capital Markets Act, detailing the number of shares and percentage held by the reporting entity and related parties as of a specific date and the reason for change (acquisition of convertible bonds). This corresponds to a Major Shareholding Notification rather than an earnings release or annual report.
2026-04-06 Korean
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is the official results of a regular shareholders’ meeting (정기주주총회결과), listing each agenda item, voting outcomes, vote percentages, and related resolutions. It is not a full financial report but a declaration of voting results from an AGM. This matches the Declaration of Voting Results & Voting Rights Announcements category.
2026-03-31 Korean

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