{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/PFSA",
 "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# Profusa, Inc. (NASDAQ: PFSA) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is Profusa, Inc., listed on NASDAQ under ticker PFSA. The ISIN is not on the record. The LEI is not on the record. The security type is Corporate. The segment is not on the record. The sector is 3841 Surgical & Medical Instruments & Apparatus. The jurisdiction is United States, Delaware. The listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 109 filings in the twelve months from 2025-11-08 to 2026-11-08, on 70 filing days. The median gap between filing days is 3 days. The latest filing is dated 2026-11-06, two days before the record date of 2026-11-08, and is of type corporate_news. The NASDAQ median is 52 filings, a median cadence gap of 6.0 days and a median latency of 5.0 days across 4,359 issuers. The sector median is 64 filings, a median cadence gap of 6 days and a median latency of 4 days across 129 issuers.\n\n## Auditor\n\nThe auditor of record is not on the record, as the latest annual report cover carries no auditor name tag and the auditor's location is not on the record. The record holds one auditor change, dated 2026-10-09.\n\n## Events and halts\n\nThe record holds no listing, delisting or name change lines. The domicile change is not on the record. The segment move is not on the record. The halt flag is clear: 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/us/reasonable-basis-suitability-finra-rule-2111/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. The count is 0.\n\n## Open research\n\nNo openly published research notes were found. The count is 0.\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 the issuer. The market's vintage is sealed, with the earliest sealed date 2021-01-04. The live record began 2026-09-12.\n\n## Sources\n\n6 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://data.sec.gov/submissions/CIK0001859807.json (identity.jurisdiction)\n- https://mcp.us-cm-kg.ai/events/NASDAQ/PFSA (the disclosure lines)\n- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)\n- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.us-cm-kg.ai/record/NASDAQ/PFSA (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": {
    "market": "US",
    "reason": "no dei:AuditorName tag on the latest annual report cover (foreign private issuers and older filings carry none)",
    "state": "not_on_record"
   },
   "auditor_firm_id": {
    "market": "US",
    "state": "not_on_record"
   },
   "auditor_location": {
    "market": "US",
    "state": "not_on_record"
   },
   "changes": [
    {
     "date": "2026-10-09",
     "source": "https://www.sec.gov/Archives/edgar/data/1859807/000121390026108552/ea0308134-8k_profusa.htm",
     "title": "8-K — CURRENT REPORT (items 4.01,9.01)"
    }
   ]
  },
  "cmr": "us-cm-kg/NASDAQ/PFSA",
  "coverage": {
   "count": 0,
   "houses": [],
   "pages_checked": [],
   "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": 129,
     "median_cadence_gap_days": 6,
     "median_filings": 64,
     "median_latency_days": 4,
     "name": "3841 Surgical & Medical Instruments & Apparatus"
    }
   },
   "by_type": {
    "agm_egm": 9,
    "corporate_news": 25,
    "director_change": 2,
    "directors_dealings": 24,
    "halt_suspension": 1,
    "prospectus": 19,
    "regulatory_filing": 23,
    "results": 5,
    "takeover": 1
   },
   "cadence_median_gap_days": 3,
   "filing_days": 70,
   "filings": 109,
   "latency_days": 2,
   "latest": [
    {
     "category": "8-K",
     "date": "2026-11-06",
     "source": "https://www.sec.gov/Archives/edgar/data/1859807/000121390026116920/ea0311121-8k_profusa.htm",
     "title": "8-K — CURRENT REPORT (items 1.01,2.03,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "SCHEDULE 13G/A",
     "date": "2026-10-27",
     "source": "https://www.sec.gov/Archives/edgar/data/1859807/000175392626002014/xslSCHEDULE_13G_X02/primary_doc.xml",
     "title": "SCHEDULE 13G/A",
     "type": "regulatory_filing"
    },
    {
     "category": "8-K",
     "date": "2026-10-15",
     "source": "https://www.sec.gov/Archives/edgar/data/1859807/000121390026109558/ea0308701-8k_profusa.htm",
     "title": "8-K — CURRENT REPORT (items 1.01,2.03,3.02,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "8-K",
     "date": "2026-10-09",
     "source": "https://www.sec.gov/Archives/edgar/data/1859807/000121390026108552/ea0308134-8k_profusa.htm",
     "title": "8-K — CURRENT REPORT (items 4.01,9.01)",
     "type": "director_change"
    },
    {
     "category": "8-K",
     "date": "2026-10-05",
     "source": "https://www.sec.gov/Archives/edgar/data/1859807/000121390026106610/ea0307663-8k_profusa.htm",
     "title": "8-K — CURRENT REPORT (items 1.01,2.03,9.01)",
     "type": "corporate_news"
    }
   ],
   "latest_filing_date": "2026-11-06",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/PFSA",
   "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": {
    "market": "US",
    "reason": "no LEI, so no GLEIF ISIN route; EDGAR carries no ISIN",
    "state": "not_on_record"
   },
   "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/CIK0001859807.json",
    "state": "sourced",
    "value": "United States — Delaware"
   },
   "lei": {
    "market": "US",
    "reason": "no GLEIF record with the exact legal name in jurisdiction US-DE",
    "state": "not_on_record"
   },
   "name": {
    "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/CIK0001859807.json",
    "state": "sourced",
    "value": "Profusa, 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/CIK0001859807.json",
    "state": "sourced",
    "value": "3841 Surgical & Medical Instruments & Apparatus"
   },
   "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/CIK0001859807.json",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "US",
    "state": "not_on_record"
   },
   "ticker": {
    "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": "PFSA"
   },
   "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": "sha256:189e7c7b9eee1c6b72baf850e8e17f236db75ed0a0ab821bf0968766e606d227",
  "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/PFSA",
   "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": "sha256:189e7c7b9eee1c6b72baf850e8e17f236db75ed0a0ab821bf0968766e606d227",
 "path": "/us/NASDAQ/PFSA",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is Profusa, Inc., listed on NASDAQ under ticker PFSA. The ISIN is not on the record. The LEI is not on the record. The security type is Corporate. The segment is not on the record. The sector is 3841 Surgical & Medical Instruments & Apparatus. The jurisdiction is United States, Delaware. The listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 109 filings in the twelve months from 2025-11-08 to 2026-11-08, on 70 filing days. The median gap between filing days is 3 days. The latest filing is dated 2026-11-06, two days before the record date of 2026-11-08, and is of type corporate_news. The NASDAQ median is 52 filings, a median cadence gap of 6.0 days and a median latency of 5.0 days across 4,359 issuers. The sector median is 64 filings, a median cadence gap of 6 days and a median latency of 4 days across 129 issuers.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is not on the record, as the latest annual report cover carries no auditor name tag and the auditor's location is not on the record. The record holds one auditor change, dated 2026-10-09.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record holds no listing, delisting or name change lines. The domicile change is not on the record. The segment move is not on the record. The halt flag is clear: 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/us/reasonable-basis-suitability-finra-rule-2111/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. The count is 0.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found. The count is 0.",
   "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 the issuer. The market's vintage is sealed, with the earliest sealed date 2021-01-04. The live record began 2026-09-12.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "6 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.jurisdiction",
   "source": "https://data.sec.gov/submissions/CIK0001859807.json"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/PFSA"
  },
  {
   "for": "the halt flag",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts"
  },
  {
   "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/PFSA"
  }
 ],
 "title": "Profusa, Inc. (PFSA) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}