{
 "as_of": "2026-11-06",
 "cmr": "kr-cm-kg/KOSDAQ/270520",
 "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# APTN Inc. (KOSDAQ: 270520) — research page\n\nAs of 2026-11-06 · kr-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is APTN Inc., listed on KOSDAQ under ticker 270520, with ISIN KR7270520000. The LEI is not on the record, as no GLEIF record is registered under the corporate registration number 580-86-00757. The security type is Corporate, the segment is not on the record, the sector is 건축기술, 엔지니어링 및 관련 기술 서비스업, and the jurisdiction is South Korea. The issuer is listed and not halted.\n\n## The disclosure read\n\nThe record holds 96 filings in the twelve months to 2026-11-06, across 60 filing days. The median gap between filing days is 5 days. The latest filing is dated 2026-11-04, is of type corporate_news, and is 2 days before the record date. The KOSDAQ exchange median is 8.0 days for cadence, 33 filings, and 16.0 days for latency across 1819 issuers. The sector median is 7.2 days for cadence, 47.0 filings, and 7.0 days for latency across 18 issuers.\n\n## Auditor\n\nThe auditor of record is 우리회계법인. Its location is not on the record. The record does not carry auditor changes for this register.\n\n## Events and halts\n\nThe record does not carry listing, delisting, name change, domicile change or segment move events for this register. The halt flag is 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, and the chapter is as of 2026-11-04.\n\n## Coverage\n\nNo research houses were found on the issuer's investor-relations pages read.\n\n## Open research\n\nNo openly published research notes were found 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 vintage is sealed for the years 2021 through 2026 in the store, but these years are not served as of a date. The as-of door answers not_sealed. The live record began on 2026-09-12. No market earliest sealed date is on the record.\n\n## Sources\n\n8 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=01228515 (identity.jurisdiction)\n- https://mcp.kr-cm-kg.ai/events/KOSDAQ/270520 (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=20260323001074 (the auditor)\n- https://mcp.kr-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.kr-cm-kg.ai/record/KOSDAQ/270520 (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=20260323001074",
    "state": "sourced",
    "value": "우리회계법인"
   },
   "auditor_firm_id": {
    "market": "KR",
    "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/270520",
  "coverage": {
   "count": 0,
   "houses": [],
   "pages_checked": [],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-12",
   "since": null,
   "state": "none_found"
  },
  "disclosure": {
   "against": {
    "exchange": {
     "issuers": 1819,
     "median_cadence_gap_days": 8,
     "median_filings": 33,
     "median_latency_days": 16,
     "name": "KOSDAQ"
    },
    "sector": {
     "issuers": 18,
     "median_cadence_gap_days": 7.2,
     "median_filings": 47,
     "median_latency_days": 7,
     "name": "건축기술, 엔지니어링 및 관련 기술 서비스업"
    }
   },
   "by_type": {
    "ad_hoc": 13,
    "agm_egm": 11,
    "corporate_news": 32,
    "directors_dealings": 5,
    "halt_suspension": 2,
    "major_holder": 28,
    "regulatory_filing": 1,
    "results": 4
   },
   "cadence_median_gap_days": 5,
   "filing_days": 60,
   "filings": 96,
   "latency_days": 2,
   "latest": [
    {
     "category": null,
     "date": "2026-11-04",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261104900705",
     "title": "기타시장안내(관리종목지정우려종목)              (주가 1,000원 미달)",
     "type": "corporate_news"
    },
    {
     "category": null,
     "date": "2026-10-27",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261027900637",
     "title": "[기재정정]단일판매ㆍ공급계약체결",
     "type": "corporate_news"
    },
    {
     "category": null,
     "date": "2026-10-21",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261021900512",
     "title": "주주총회소집결의              (임시주주총회)",
     "type": "agm_egm"
    },
    {
     "category": null,
     "date": "2026-10-21",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261021900489",
     "title": "주주명부폐쇄기간또는기준일설정",
     "type": "corporate_news"
    },
    {
     "category": null,
     "date": "2026-10-16",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261016000375",
     "title": "[기재정정]주식매수선택권부여에관한신고",
     "type": "corporate_news"
    }
   ],
   "latest_filing_date": "2026-11-04",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSDAQ/270520",
   "window": {
    "from": "2025-11-06",
    "to": "2026-11-06"
   }
  },
  "identity": {
   "exchange": {
    "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": "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": "KR7270520000"
   },
   "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=01228515",
    "state": "sourced",
    "value": "South Korea (DART filer with a corporate registration number)"
   },
   "lei": {
    "market": "KR",
    "reason": "no GLEIF record registered as 580-86-00757",
    "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=01228515",
    "state": "sourced",
    "value": "APTN Inc."
   },
   "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": "건축기술, 엔지니어링 및 관련 기술 서비스업"
   },
   "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": {
    "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": "270520"
   },
   "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://www.aptn-inc.com"
   }
  },
  "licensed": {
   "columns": [
    "licensor",
    "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"
   },
   "listing": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "name_change": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "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:ed3629ba1e9a18a86b977756ca79917e6e0c8f9ed95df8e7a6743d015e5a581d",
  "open_research": {
   "read_date": "2026-11-12",
   "rows": [],
   "state": "none_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/270520",
   "version": 1
  },
  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
   "read_date": "2026-11-08",
   "source": "https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain",
   "value": "listed, not halted"
  }
 },
 "numbers_hash": "sha256:ed3629ba1e9a18a86b977756ca79917e6e0c8f9ed95df8e7a6743d015e5a581d",
 "path": "/kr/KOSDAQ/270520",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is APTN Inc., listed on KOSDAQ under ticker 270520, with ISIN KR7270520000. The LEI is not on the record, as no GLEIF record is registered under the corporate registration number 580-86-00757. The security type is Corporate, the segment is not on the record, the sector is 건축기술, 엔지니어링 및 관련 기술 서비스업, and the jurisdiction is South Korea. The issuer is listed and not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 96 filings in the twelve months to 2026-11-06, across 60 filing days. The median gap between filing days is 5 days. The latest filing is dated 2026-11-04, is of type corporate_news, and is 2 days before the record date. The KOSDAQ exchange median is 8.0 days for cadence, 33 filings, and 16.0 days for latency across 1819 issuers. The sector median is 7.2 days for cadence, 47.0 filings, and 7.0 days for latency across 18 issuers.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is 우리회계법인. Its location is not on the record. The record does not carry auditor changes for this register.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record does not carry listing, delisting, name change, domicile change or segment move events for this register. The halt flag is 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, and the chapter is as of 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "No research houses were found on the issuer's investor-relations pages read.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found 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 vintage is sealed for the years 2021 through 2026 in the store, but these years are not served as of a date. The as-of door answers not_sealed. The live record began on 2026-09-12. No market earliest sealed date is on the record.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "8 source pages are named on this page; every value above carries its own source page and read date in the numbers.",
   "title": "Sources"
  }
 ],
 "sources": [
  {
   "for": "identity.exchange",
   "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13"
  },
  {
   "for": "identity.isin",
   "source": "https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://opendart.fss.or.kr/api/company.json?corp_code=01228515"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSDAQ/270520"
  },
  {
   "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=20260323001074"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.kr-cm-kg.ai/book/aio.json"
  },
  {
   "for": "the record",
   "source": "https://mcp.kr-cm-kg.ai/record/KOSDAQ/270520"
  }
 ],
 "title": "APTN Inc. (270520) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}