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ATUM CO., LTD. — Investor Relations & Filings

Ticker · 355690 ISIN · KR7355690009 KO Professional, scientific and technical activities
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Filings indexed 132 across all filing types
Latest filing 2026-04-30 Regulatory Filings
Country KR South Korea
Listing KO 355690

About ATUM CO., LTD.

https://www.atum.bio/

ATUM is an integrated biologics development partner offering a comprehensive suite of services, from virtual DNA sequence to research cell bank. The company's core activities include gene design and synthesis, protein expression and analytics, cell line development, and antibody and protein engineering. Utilizing expertise in machine learning and proprietary platforms like DNA2GO for gene fragments and the lightningHEK and discoCHO expression systems, ATUM facilitates the discovery and optimization processes for its clients. The company operates as a collaborative, one-stop partner for biological engineering projects, providing fully in-house services.

Recent filings

Filing Released Lang Actions
증권발행실적보고서
Regulatory Filings
2026-04-30 Korean
증권발행결과(자율공시) (주주배정후 실권주 일반공모)
Regulatory Filings
2026-04-30 Korean
유상증자또는주식관련사채등의청약결과(자율공시)
Share Issue/Capital Change Classification · 90% confidence The document is a voluntary disclosure (“자율공시”) detailing the subscription results of a paid‐in capital increase (rights offering), including number of shares offered, subscription ratio, treatment of fractional shares, and future schedule. It is an announcement of a share issue/capital change, not a full financial report or earnings release. Therefore it fits the Share Issue/Capital Change category (SHA).
2026-04-24 Korean
[발행조건확정]증권신고서(지분증권)
Share Issue/Capital Change Classification · 88% confidence The document is a formal Securities Registration Statement (“증권신고서(지분증권)”) detailing the issuance conditions for 4,000,000 new common shares: pricing determination methods, underwriting arrangements, subscription schedules, use of proceeds, and multiple amendments (“정정”) to the prospectus. It is not an annual or interim financial report, nor an AGM or management announcement, but a full prospectus for a share issuance. This falls under “Share Issue/Capital Change” (SHA).
2026-04-20 Korean
[기재정정]투자설명서
Share Issue/Capital Change Classification · 85% confidence The document is a detailed Korean securities disclosure (“투자설명서” or investor prospectus) with corrections (“정정신고”) relating to a planned capital increase through a rights offering and public subscription. It specifies issuance prices, subscription schedules, number of shares, use of proceeds, etc. This is not a simple announcement nor a financial report, but the actual procedural filing for a new share issuance. Under our taxonomy, such detailed disclosures of new share issuance fall under Share Issue/Capital Change (SHA).
2026-04-20 Korean
[기재정정]주요사항보고서(유상증자결정)
Share Issue/Capital Change Classification · 90% confidence The document is a Korean major information report (‘주요사항보고서’) announcing and correcting details of a rights offering (유상증자결정), including issuance size, price, allocation ratios, schedule, pricing method, and subscription details. This is not a simple earnings release or management discussion but a formal notice of new share issuance/capital change. Therefore, it best matches the Share Issue/Capital Change category (Code: SHA).
2026-04-20 Korean

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