{
 "as_of": "2026-11-06",
 "cmr": "kr-cm-kg/KOSDAQ/039840",
 "fence": "The page is the record's research on the issuer — no analyst, no rating, no view.",
 "markdown": "The page is the record's research on the issuer — no analyst, no rating, no view.\n\n# DIO Corporation (KOSDAQ: 039840) — research page\n\nAs of 2026-11-06 · kr-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is DIO Corporation, listed on KOSDAQ under ticker 039840, with ISIN KR7039840004. The LEI is not on the record, as no GLEIF record is registered under the corporate registration number 621-81-01561. The security type is Corporate, the segment is not on the record, and the sector is 의료용 기기 제조업. The jurisdiction is South Korea, as a DART filer with a corporate registration number. The issuer is listed and not halted.\n\n## The disclosure read\n\nThe record holds 32 filings in the twelve months to 2026-11-06, across 25 filing days. The filings comprise 10 corporate news, 7 results, 6 AGM/EGM, 3 ad hoc, 3 regulatory filing, 2 directors' dealings and 1 major holder filing. The median gap between filing days is 10.5 days. The latest filing is dated 2026-10-08 and is of type corporate news, 29 days before the record date. The KOSDAQ median cadence gap is 8.0 days, with a median of 33 filings and a median latency of 16.0 days across 1,819 issuers. The sector median cadence gap is 8.0 days, with a median of 32.5 filings and a median latency of 15.0 days across 76 issuers.\n\n## Auditor\n\nThe auditor of record is 대주회계법인. Its location is not on the record. Auditor changes are not on the record, as this register has no lifecycle type map yet.\n\n## Events and halts\n\nListing, delisting, name change, domicile change and segment move are not on the record, as this register has no lifecycle type map yet. The halt flag shows the issuer as listed, not halted.\n\n## Orderability\n\nThe outcome is not determinable. The chapter's orderability section carries no client categories, 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.\n\n## Coverage\n\nNo research houses were found on the issuer's investor-relations page.\n\n## Open research\n\nThe record holds 7 openly published research notes. Mirae Asset Securities Co., Ltd. published notes dated 2026-02-19, 2025-05-15 and 2024-01-22. Mirae Asset Daewoo Research published a note dated 2019-03-13. Mirae Asset Daewoo Co., Ltd. published notes dated 2018-03-12 and 2017-08-16, and one further note with no date on the record.\n\n## Licensed\n\nLicensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.\n\n## As-of depth\n\nThe market's vintage is not sealed, and no issuer years are sealed. The live record began on 2026-09-12. Years 2021 through 2026 are sealed in the store but not served as of a date; the as-of door answers not_sealed.\n\n## Sources\n\n15 source pages are named on this page; every value above carries its own source page and read date in the numbers.\n\n- https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13 (identity.exchange)\n- https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd (identity.isin)\n- https://opendart.fss.or.kr/api/company.json?corp_code=00115931 (identity.jurisdiction)\n- https://mcp.kr-cm-kg.ai/events/KOSDAQ/039840 (the disclosure lines)\n- https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain (the halt flag)\n- https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260306000812 (the auditor)\n- https://mcp.kr-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://securities.miraeasset.com/bbs/download/2142698.pdf?attachmentId=2142698 (open research)\n- https://img.securities.miraeasset.com/ezrlink/report/183/20250515152431633_en.pdf (open research)\n- https://securities.miraeasset.com/bbs/download/2121062.pdf?attachmentId=2121062 (open research)\n- https://securities.miraeasset.com/bbs/download/2063012.pdf?attachmentId=2063012 (open research)\n- https://securities.miraeasset.com/bbs/download/2053985.pdf?attachmentId=2053985 (open research)\n- https://securities.miraeasset.com/bbs/maildownload/2017072709414597_183 (open research)\n- https://securities.miraeasset.com/bbs/download/2076582.pdf?attachmentId=2076582 (open research)\n- https://mcp.kr-cm-kg.ai/record/KOSDAQ/039840 (the record)\n",
 "market": "KR",
 "node": "kr-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [],
   "live_record_began": "2026-09-12",
   "node_history_from": null,
   "node_years_sealed": [],
   "note": "6 years are sealed in the KR store; their Replay split is not built, so the as-of door answers not_sealed and the record is the live record as of 2026-11-06",
   "record_version": 1,
   "sealed": false,
   "store_years_sealed_not_served": [
    "2021",
    "2022",
    "2023",
    "2024",
    "2025",
    "2026"
   ]
  },
  "auditor": {
   "auditor": {
    "read_by": "DART API 회계감사인의 명칭 및 감사의견 (annual report 11011, business year 2025)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260306000812",
    "state": "sourced",
    "value": "대주회계법인"
   },
   "auditor_firm_id": {
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    "state": "not_on_record"
   },
   "auditor_location": {
    "market": "KR",
    "state": "not_on_record"
   },
   "changes": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "cmr": "kr-cm-kg/KOSDAQ/039840",
  "coverage": {
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   "houses": [],
   "pages_checked": [],
   "read_by": "Perplexity sonar (search) · page read by this rail",
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   "since": null,
   "state": "none_found"
  },
  "disclosure": {
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     "issuers": 1819,
     "median_cadence_gap_days": 8,
     "median_filings": 33,
     "median_latency_days": 16,
     "name": "KOSDAQ"
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    "sector": {
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     "median_cadence_gap_days": 8,
     "median_filings": 32.5,
     "median_latency_days": 15,
     "name": "의료용 기기 제조업"
    }
   },
   "by_type": {
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    "agm_egm": 6,
    "corporate_news": 10,
    "directors_dealings": 2,
    "major_holder": 1,
    "regulatory_filing": 3,
    "results": 7
   },
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   "filing_days": 25,
   "filings": 32,
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   "latest": [
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     "category": null,
     "date": "2026-10-08",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261008900134",
     "title": "기업설명회(IR)개최",
     "type": "corporate_news"
    },
    {
     "category": null,
     "date": "2026-09-03",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260903000202",
     "title": "신탁계약해지결과보고서",
     "type": "corporate_news"
    },
    {
     "category": null,
     "date": "2026-08-27",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260827900265",
     "title": "임시주주총회결과",
     "type": "agm_egm"
    },
    {
     "category": null,
     "date": "2026-08-14",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260814003219",
     "title": "의결권대리행사권유참고서류",
     "type": "corporate_news"
    },
    {
     "category": null,
     "date": "2026-08-13",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260813001067",
     "title": "반기보고서 (2026.06)",
     "type": "results"
    }
   ],
   "latest_filing_date": "2026-10-08",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSDAQ/039840",
   "window": {
    "from": "2025-11-06",
    "to": "2026-11-06"
   }
  },
  "identity": {
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    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "KOSDAQ"
   },
   "isin": {
    "read_by": "KRX stock finder (data.krx.co.kr finder_stkisu: full_code = the KRX standard code)",
    "read_date": "2026-11-08",
    "read_date_basis": "the field",
    "source": "https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd  [POST bld=dbms/comm/finder/finder_stkisu, mktsel=ALL]",
    "state": "sourced",
    "value": "KR7039840004"
   },
   "jurisdiction": {
    "read_by": "DART company.json (company profile per corp_code, keyed API) (jurir_no)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://opendart.fss.or.kr/api/company.json?corp_code=00115931",
    "state": "sourced",
    "value": "South Korea (DART filer with a corporate registration number)"
   },
   "lei": {
    "market": "KR",
    "reason": "no GLEIF record registered as 621-81-01561",
    "state": "not_on_record"
   },
   "name": {
    "read_by": "DART company.json (company profile per corp_code, keyed API)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://opendart.fss.or.kr/api/company.json?corp_code=00115931",
    "state": "sourced",
    "value": "DIO Corporation"
   },
   "sector": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download) (업종)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "의료용 기기 제조업"
   },
   "security_type": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "KR",
    "state": "not_on_record"
   },
   "ticker": {
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    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "039840"
   },
   "website": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "http://dio.co.kr"
   }
  },
  "licensed": {
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    "entitlement",
    "title",
    "date",
    "source"
   ],
   "rows": [],
   "rule": "A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded."
  },
  "lifecycle": {
   "delisting": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "domicile_change": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
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   "listing": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
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   "name_change": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
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   "segment_move": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "market": "KR",
  "node": "kr-cm-kg",
  "numbers_hash": "sha256:135fd45b9aed9b3a90a942ecd2cd9e365cb52114fce8310058b7c0bb2fea4cdb",
  "open_research": {
   "read_date": "2026-11-12",
   "rows": [
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     "date": "2026-02-19",
     "kind": "independent",
     "publisher": "Mirae Asset Securities Co., Ltd.",
     "read_by": "the note's link answers (200 application/pdf); a document, not read as text",
     "read_date": "2026-11-12",
     "source": "https://securities.miraeasset.com/bbs/download/2142698.pdf?attachmentId=2142698",
     "state": "sourced",
     "title": "DIO Implant — Targeting record-high earnings in 2026"
    },
    {
     "date": "2025-05-15",
     "kind": "independent",
     "publisher": "Mirae Asset Securities Co., Ltd.",
     "read_by": "the note's link answers (200 application/pdf); a document, not read as text",
     "read_date": "2026-11-12",
     "source": "https://img.securities.miraeasset.com/ezrlink/report/183/20250515152431633_en.pdf",
     "state": "sourced",
     "title": "DIO Implant"
    },
    {
     "date": "2024-01-22",
     "kind": "independent",
     "publisher": "Mirae Asset Securities Co., Ltd.",
     "read_by": "the note's link answers (200 application/pdf); a document, not read as text",
     "read_date": "2026-11-12",
     "source": "https://securities.miraeasset.com/bbs/download/2121062.pdf?attachmentId=2121062",
     "state": "sourced",
     "title": "DIO Implant — Aiming to improve financial soundness in 2024"
    },
    {
     "date": "2019-03-13",
     "kind": "independent",
     "publisher": "Mirae Asset Daewoo Research",
     "read_by": "the note's link answers (200 application/pdf); a document, not read as text",
     "read_date": "2026-11-12",
     "source": "https://securities.miraeasset.com/bbs/download/2063012.pdf?attachmentId=2063012",
     "state": "sourced",
     "title": "DIO Implant — Big bath in 2018 = Favorable comparison in 2019"
    },
    {
     "date": "2018-03-12",
     "kind": "independent",
     "publisher": "Mirae Asset Daewoo Co., Ltd.",
     "read_by": "the note's link answers (200 application/pdf); a document, not read as text",
     "read_date": "2026-11-12",
     "source": "https://securities.miraeasset.com/bbs/download/2053985.pdf?attachmentId=2053985",
     "state": "sourced",
     "title": "DIO Implant — Revenue growth to recover on low base effects"
    },
    {
     "date": "2017-08-16",
     "kind": "independent",
     "publisher": "Mirae Asset Daewoo Co., Ltd.",
     "read_by": "the note's link answers (200 application/pdf); a document, not read as text",
     "read_date": "2026-11-12",
     "source": "https://securities.miraeasset.com/bbs/maildownload/2017072709414597_183",
     "state": "sourced",
     "title": "DIO Implant — Global expansion comes with growing pains"
    },
    {
     "date": null,
     "kind": "independent",
     "publisher": "Mirae Asset Daewoo Co., Ltd.",
     "read_by": "the note's link answers (200 application/pdf); a document, not read as text",
     "read_date": "2026-11-12",
     "source": "https://securities.miraeasset.com/bbs/download/2076582.pdf?attachmentId=2076582",
     "state": "sourced",
     "title": "DIO Implant — Holding up relatively well"
    }
   ],
   "state": "found"
  },
  "orderability": {
   "chapter_as_of": "2026-11-04",
   "client_categories": [],
   "determinable": false,
   "read": {
    "chapter": "https://mcp.kr-cm-kg.ai/book/aio.json",
    "door": "https://mcp.kr-cm-kg.ai/mcp",
    "tool": "get_orderability"
   },
   "reason": "the chapter's orderability section carries no client_categories: the outcome cannot name its client category",
   "rule_version": "acm-68000/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1",
   "section": "kr.aio.v5"
  },
  "record": {
   "as_of": "2026-11-06",
   "url": "https://mcp.kr-cm-kg.ai/record/KOSDAQ/039840",
   "version": 1
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  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
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   "source": "https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain",
   "value": "listed, not halted"
  }
 },
 "numbers_hash": "sha256:135fd45b9aed9b3a90a942ecd2cd9e365cb52114fce8310058b7c0bb2fea4cdb",
 "path": "/kr/KOSDAQ/039840",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is DIO Corporation, listed on KOSDAQ under ticker 039840, with ISIN KR7039840004. The LEI is not on the record, as no GLEIF record is registered under the corporate registration number 621-81-01561. The security type is Corporate, the segment is not on the record, and the sector is 의료용 기기 제조업. The jurisdiction is South Korea, as a DART filer with a corporate registration number. The issuer is listed and not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 32 filings in the twelve months to 2026-11-06, across 25 filing days. The filings comprise 10 corporate news, 7 results, 6 AGM/EGM, 3 ad hoc, 3 regulatory filing, 2 directors' dealings and 1 major holder filing. The median gap between filing days is 10.5 days. The latest filing is dated 2026-10-08 and is of type corporate news, 29 days before the record date. The KOSDAQ median cadence gap is 8.0 days, with a median of 33 filings and a median latency of 16.0 days across 1,819 issuers. The sector median cadence gap is 8.0 days, with a median of 32.5 filings and a median latency of 15.0 days across 76 issuers.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is 대주회계법인. Its location is not on the record. Auditor changes are not on the record, as this register has no lifecycle type map yet.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "Listing, delisting, name change, domicile change and segment move are not on the record, as this register has no lifecycle type map yet. The halt flag shows the issuer as listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The outcome is not determinable. The chapter's orderability section carries no client categories, 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.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "No research houses were found on the issuer's investor-relations page.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "The record holds 7 openly published research notes. Mirae Asset Securities Co., Ltd. published notes dated 2026-02-19, 2025-05-15 and 2024-01-22. Mirae Asset Daewoo Research published a note dated 2019-03-13. Mirae Asset Daewoo Co., Ltd. published notes dated 2018-03-12 and 2017-08-16, and one further note with no date on the record.",
   "title": "Open research"
  },
  {
   "id": "licensed",
   "text": "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.",
   "title": "Licensed"
  },
  {
   "id": "depth",
   "text": "The market's vintage is not sealed, and no issuer years are sealed. The live record began on 2026-09-12. Years 2021 through 2026 are sealed in the store but not served as of a date; the as-of door answers not_sealed.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "15 source pages are named on this page; every value above carries its own source page and read date in the numbers.",
   "title": "Sources"
  }
 ],
 "sources": [
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   "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13"
  },
  {
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   "source": "https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://opendart.fss.or.kr/api/company.json?corp_code=00115931"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSDAQ/039840"
  },
  {
   "for": "the halt flag",
   "source": "https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain"
  },
  {
   "for": "the auditor",
   "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260306000812"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.kr-cm-kg.ai/book/aio.json"
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  {
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   "source": "https://securities.miraeasset.com/bbs/download/2121062.pdf?attachmentId=2121062"
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  {
   "for": "open research",
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  {
   "for": "open research",
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  {
   "for": "open research",
   "source": "https://securities.miraeasset.com/bbs/maildownload/2017072709414597_183"
  },
  {
   "for": "open research",
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  },
  {
   "for": "the record",
   "source": "https://mcp.kr-cm-kg.ai/record/KOSDAQ/039840"
  }
 ],
 "title": "DIO Corporation (039840) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}