{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/MKSI",
 "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# MKS INC (NASDAQ: MKSI) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nMKS INC is listed on NASDAQ under the ticker MKSI, with ISIN US55306N1046 and LEI 549300KEQATBHAGVF505. Its security type is Corporate and its sector is 3823 Industrial Instruments For Measurement, Display, and Control. Its jurisdiction is United States — Massachusetts, and its segment is not on the record. Its listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 120 filings in the twelve months to 2026-11-08, across 66 filing days. The median gap between filing days is 3 days, and the median latency from the latest filing to the record date is 3 days. The exchange median gap is 6.0 days and the exchange median latency is 5.0 days, against 52 median filings. The sector median gap is 5.5 days, the sector median latency is 5.5 days, and the sector median filing count is 80.0. The latest filing is a results filing dated 2026-11-05.\n\n## Auditor\n\nThe auditor of record is PricewaterhouseCoopers LLP, located in Boston, Massachusetts. The record holds no auditor changes.\n\n## Events and halts\n\nThe record holds no listing, delisting or name change lines. Domicile change is not on the record, and segment move is not on the record. The issuer is listed, not halted.\n\n## Orderability\n\nThe outcome is not determinable under rule version acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, as of 2026-11-04, because the chapter's orderability section carries no client categories and the outcome cannot name its client category.\n\n## Coverage\n\nNo research houses were found on the issuer's own investor-relations page.\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 record holds sealed years 2021, 2022, 2023, 2024, 2025 and 2026 for this issuer. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12.\n\n## Sources\n\n9 source pages are named on this page; every value above carries its own source page and read date in the numbers.\n\n- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)\n- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)\n- https://data.sec.gov/submissions/CIK0001049502.json (identity.jurisdiction)\n- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)\n- https://mcp.us-cm-kg.ai/events/NASDAQ/MKSI (the disclosure lines)\n- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)\n- https://www.sec.gov/Archives/edgar/data/1049502/000119312526066820/mksi-20251231.htm (the auditor)\n- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.us-cm-kg.ai/record/NASDAQ/MKSI (the record)\n",
 "market": "US",
 "node": "us-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [
    "2021",
    "2022",
    "2023",
    "2024",
    "2025",
    "2026"
   ],
   "live_record_began": "2026-09-12",
   "node_history_from": "2021-01-04",
   "node_years_sealed": [
    "2021",
    "2022",
    "2023",
    "2024",
    "2025",
    "2026"
   ],
   "record_version": 1,
   "sealed": true
  },
  "auditor": {
   "auditor": {
    "read_by": "EDGAR 10-K cover page iXBRL tag (dei:AuditorName, dei:AuditorLocation, dei:AuditorFirmId, dei:DocumentPeriodEndDate)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/Archives/edgar/data/1049502/000119312526066820/mksi-20251231.htm",
    "state": "sourced",
    "value": "PricewaterhouseCoopers LLP"
   },
   "auditor_firm_id": {
    "market": "US",
    "state": "not_on_record"
   },
   "auditor_location": {
    "read_by": "EDGAR 10-K cover page iXBRL tag (dei:AuditorName, dei:AuditorLocation, dei:AuditorFirmId, dei:DocumentPeriodEndDate)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/Archives/edgar/data/1049502/000119312526066820/mksi-20251231.htm",
    "state": "sourced",
    "value": "Boston, Massachusetts"
   },
   "changes": []
  },
  "cmr": "us-cm-kg/NASDAQ/MKSI",
  "coverage": {
   "count": 0,
   "houses": [],
   "pages_checked": [
    {
     "page": "https://investor.mks.com/financial-analyst-coverage",
     "result": "not readable by this rail (403)"
    }
   ],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-11",
   "since": null,
   "state": "none_found"
  },
  "disclosure": {
   "against": {
    "exchange": {
     "issuers": 4359,
     "median_cadence_gap_days": 6,
     "median_filings": 52,
     "median_latency_days": 5,
     "name": "NASDAQ"
    },
    "sector": {
     "issuers": 16,
     "median_cadence_gap_days": 5.5,
     "median_filings": 80,
     "median_latency_days": 5.5,
     "name": "3823 Industrial Instruments For Measurement, Display, and Control"
    }
   },
   "by_type": {
    "agm_egm": 3,
    "corporate_news": 3,
    "director_change": 2,
    "directors_dealings": 59,
    "regulatory_filing": 44,
    "results": 9
   },
   "cadence_median_gap_days": 3,
   "filing_days": 66,
   "filings": 120,
   "latency_days": 3,
   "latest": [
    {
     "category": "10-Q",
     "date": "2026-11-05",
     "source": "https://www.sec.gov/Archives/edgar/data/1049502/000119312526449631/mksi-20260930.htm",
     "title": "10-Q — 10-Q",
     "type": "results"
    },
    {
     "category": "8-K",
     "date": "2026-11-04",
     "source": "https://www.sec.gov/Archives/edgar/data/1049502/000119312526447410/mksi-20261102.htm",
     "title": "8-K — 8-K (items 2.02,5.03,7.01,8.01,9.01)",
     "type": "results"
    },
    {
     "category": "4",
     "date": "2026-11-03",
     "source": "https://www.sec.gov/Archives/edgar/data/1049502/000104950226000122/xslF345X06/form4.xml",
     "title": "4 — PRIMARY DOCUMENT",
     "type": "directors_dealings"
    },
    {
     "category": "8-K",
     "date": "2026-10-19",
     "source": "https://www.sec.gov/Archives/edgar/data/1049502/000119312526424709/mksi-20261019.htm",
     "title": "8-K — 8-K (items 8.01,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "SCHEDULE 13G/A",
     "date": "2026-09-03",
     "source": "https://www.sec.gov/Archives/edgar/data/1049502/000001961726000334/xslSCHEDULE_13G_X02/primary_doc.xml",
     "title": "SCHEDULE 13G/A",
     "type": "regulatory_filing"
    }
   ],
   "latest_filing_date": "2026-11-05",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/MKSI",
   "window": {
    "from": "2025-11-08",
    "to": "2026-11-08"
   }
  },
  "identity": {
   "exchange": {
    "read_by": "EDGAR company_tickers_exchange.json (SEC list of exchange-listed filers)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/files/company_tickers_exchange.json",
    "state": "sourced",
    "value": "NASDAQ"
   },
   "isin": {
    "read_by": "SEC Fails-to-Deliver data (CUSIP for the symbol) · ISIN = US + CUSIP + ISO 6166 check digit",
    "read_date": "2026-09-24",
    "read_date_basis": "last_seen",
    "source": "https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data",
    "state": "sourced",
    "value": "US55306N1046"
   },
   "jurisdiction": {
    "read_by": "EDGAR submissions API (issuer header as filed) (stateOfIncorporation)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0001049502.json",
    "state": "sourced",
    "value": "United States — Massachusetts"
   },
   "lei": {
    "read_by": "GLEIF ISIN-to-LEI mapping file (daily), LEI by exact ISIN",
    "read_date": "2026-11-08",
    "read_date_basis": "the field",
    "source": "https://mapping.gleif.org/api/v2/isin-lei/latest/download (ISIN US55306N1046)",
    "state": "sourced",
    "value": "549300KEQATBHAGVF505"
   },
   "name": {
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    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0001049502.json",
    "state": "sourced",
    "value": "MKS INC"
   },
   "sector": {
    "read_by": "EDGAR submissions API (issuer header as filed) (SIC code as assigned by the SEC)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0001049502.json",
    "state": "sourced",
    "value": "3823 Industrial Instruments For Measurement, Display, and Control"
   },
   "security_type": {
    "read_by": "EDGAR submissions API (issuer header as filed)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0001049502.json",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "US",
    "state": "not_on_record"
   },
   "ticker": {
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    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/files/company_tickers_exchange.json",
    "state": "sourced",
    "value": "MKSI"
   },
   "website": {
    "market": "US",
    "state": "not_on_record"
   }
  },
  "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": [],
   "domicile_change": {
    "market": "US",
    "reason": "EDGAR states no dated change of state of incorporation on a filing line",
    "state": "not_on_record"
   },
   "listing": [],
   "name_change": [],
   "segment_move": {
    "market": "US",
    "reason": "the exchanges' tier transfers are not EDGAR filings",
    "state": "not_on_record"
   }
  },
  "market": "US",
  "node": "us-cm-kg",
  "numbers_hash": "sha256:e32b525d8cb74b39aa45e0cbe3c6590ac1f632d6f51645c3fe51c4564df491cc",
  "open_research": {
   "read_date": "2026-11-11",
   "rows": [],
   "state": "none_found"
  },
  "orderability": {
   "chapter_as_of": "2026-11-04",
   "client_categories": [],
   "determinable": false,
   "read": {
    "chapter": "https://mcp.us-cm-kg.ai/book/aio.json",
    "door": "https://mcp.us-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/us/reasonable-basis-suitability-finra-rule-2111/r1",
   "section": "us.aio.v8"
  },
  "record": {
   "as_of": "2026-11-08",
   "url": "https://mcp.us-cm-kg.ai/record/NASDAQ/MKSI",
   "version": 1
  },
  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
   "read_date": "2026-11-08",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts",
   "value": "listed, not halted"
  }
 },
 "numbers_hash": "sha256:e32b525d8cb74b39aa45e0cbe3c6590ac1f632d6f51645c3fe51c4564df491cc",
 "path": "/us/NASDAQ/MKSI",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "MKS INC is listed on NASDAQ under the ticker MKSI, with ISIN US55306N1046 and LEI 549300KEQATBHAGVF505. Its security type is Corporate and its sector is 3823 Industrial Instruments For Measurement, Display, and Control. Its jurisdiction is United States — Massachusetts, and its segment is not on the record. Its listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 120 filings in the twelve months to 2026-11-08, across 66 filing days. The median gap between filing days is 3 days, and the median latency from the latest filing to the record date is 3 days. The exchange median gap is 6.0 days and the exchange median latency is 5.0 days, against 52 median filings. The sector median gap is 5.5 days, the sector median latency is 5.5 days, and the sector median filing count is 80.0. The latest filing is a results filing dated 2026-11-05.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is PricewaterhouseCoopers LLP, located in Boston, Massachusetts. The record holds no auditor changes.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record holds no listing, delisting or name change lines. Domicile change is not on the record, and segment move is not on the record. The issuer is listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The outcome is not determinable under rule version acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, as of 2026-11-04, because the chapter's orderability section carries no client categories and the outcome cannot name its client category.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "No research houses were found on the issuer's own investor-relations page.",
   "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 record holds sealed years 2021, 2022, 2023, 2024, 2025 and 2026 for this issuer. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "9 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://www.sec.gov/files/company_tickers_exchange.json"
  },
  {
   "for": "identity.isin",
   "source": "https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://data.sec.gov/submissions/CIK0001049502.json"
  },
  {
   "for": "identity.lei",
   "source": "https://mapping.gleif.org/api/v2/isin-lei/latest/download"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/MKSI"
  },
  {
   "for": "the halt flag",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts"
  },
  {
   "for": "the auditor",
   "source": "https://www.sec.gov/Archives/edgar/data/1049502/000119312526066820/mksi-20251231.htm"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.us-cm-kg.ai/book/aio.json"
  },
  {
   "for": "the record",
   "source": "https://mcp.us-cm-kg.ai/record/NASDAQ/MKSI"
  }
 ],
 "title": "MKS INC (MKSI) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}