The page is the record's research on the issuer — no analyst, no rating, no view.

# ATUM CO., LTD. (KOSDAQ: 355690) — research page

As of 2026-11-06 · kr-cm-kg · record version 1

## Identity and listing

The issuer is ATUM CO., LTD., listed on KOSDAQ under ticker 355690, with ISIN KR7355690009; its LEI is not on the record, as no GLEIF record is registered under 358-86-00320. Its security type is Corporate, its segment is not on the record, its sector is 전자부품 제조업, and its jurisdiction is South Korea, as a DART filer with a corporate registration number. The issuer is listed and not halted.

## The disclosure read

The record holds 76 filings in the window 2025-11-06 to 2026-11-06, across 47 filing days. The median gap between filing days is 6.0 days. The latest filing is dated 2026-11-05, and the record date is 2026-11-06, a latency of 1 day. The latest filing is of type directors_dealings. The KOSDAQ exchange median is 8.0 days cadence, 33 filings and 16.0 days latency across 1819 issuers. The 전자부품 제조업 sector median is 8.0 days cadence, 39.0 filings and 10.0 days latency across 136 issuers.

## Auditor

The auditor of record is 예일회계법인. Its location is not on the record. Auditor changes are not on the record.

## Events and halts

Listing, delisting, name change, domicile change and segment move are not on the record, as the lifecycle type map for this register is not yet in place. The issuer is listed and not halted.

## Orderability

The outcome is not determinable, as the chapter's orderability section carries no client_categories and so the outcome cannot name its client category. The rule version is acm-68000/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1, with the chapter as of 2026-11-04.

## Coverage

No research houses were named on the issuer's investor-relations page as read; none was found.

## Open research

No openly published research notes were found on the record.

## Licensed

Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.

## As-of depth

The vintage for this market is not sealed. The live record began on 2026-09-12. Years 2021 to 2026 are sealed in the store but not served as of a date, and the as-of door answers not_sealed.

## Sources

8 source pages are named on this page; every value above carries its own source page and read date in the numbers.

- https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13 (identity.exchange)
- https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd (identity.isin)
- https://opendart.fss.or.kr/api/company.json?corp_code=01444380 (identity.jurisdiction)
- https://mcp.kr-cm-kg.ai/events/KOSDAQ/355690 (the disclosure lines)
- https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain (the halt flag)
- https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318001384 (the auditor)
- https://mcp.kr-cm-kg.ai/book/aio.json (the orderability chapter)
- https://mcp.kr-cm-kg.ai/record/KOSDAQ/355690 (the record)

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