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SEC registrant · CIK 0001501697

X4 Pharmaceuticals, Inc (XFOR)

X4 Pharmaceuticals, Inc (CIK 0001501697, ticker XFOR, EIN 27-3181608) reported revenue of $6.5 million ($6,500,000) for FY2025 (2025-01-01 to 2025-12-31) and net income of -$79.2 million (-$79,199,000) for FY2025 (2025-01-01 to 2025-12-31), as filed in its 10-K filed 2026-03-17 (accession 0001501697-26-000018).

Figures are as filed with the SEC in XBRL, in whole US dollars unless stated, for the company's own fiscal years (fiscal year ends December 31).

Data as of Oct 21, 2026 (Olympus publication) · Markdown version

  • Values are as filed by the company in its 10-K and 10-Q XBRL data. When a later filing restates a value, the latest filed value is shown and the first reported value is noted.

Identifiers

As published in the company's EDGAR submissions record.

IdentifierValue
CIK0001501697
TickersXFOR (Nasdaq)
EIN27-3181608
SIC industry code2836 Biological Products, (No Diagnostic Substances)
State or country of incorporationDE
Fiscal year endDecember 31
Filer categoryNon-accelerated filer<br>Smaller reporting company
Entity typeoperating
Olympus entity IDorg_2thr36pp5c6xzm76aa283rb3qr
  • The EIN is the one the filer gave to EDGAR. The SEC does not verify it; Olympus checks only that it has nine digits and a prefix the IRS assigns.

Latest annual financial metrics

The latest annual value of each standardised metric, with the filing it was taken from.

MetricValueFiscal periodPeriodFormFiledAccession numberXBRL concept
Revenue$6,500,000FY20252025-01-01 to 2025-12-3110-K2026-03-170001501697-26-000018Revenues
Net income-$79,199,000FY20252025-01-01 to 2025-12-3110-K2026-03-170001501697-26-000018NetIncomeLoss
Total assets$290,461,000FY2025as of 2025-12-3110-K2026-03-170001501697-26-000018Assets
Total liabilities$104,171,000FY2025as of 2025-12-3110-K2026-03-170001501697-26-000018Liabilities
Stockholders' equity$186,290,000FY2025as of 2025-12-3110-K2026-03-170001501697-26-000018StockholdersEquity
Operating cash flow-$85,618,000FY20252025-01-01 to 2025-12-3110-K2026-03-170001501697-26-000018NetCashProvidedByUsedInOperatingActivities
Diluted earnings per share-$1.87 per shareFY20252025-01-01 to 2025-12-3110-K2026-03-170001501697-26-000018EarningsPerShareDiluted
Shares outstanding90,919,696 sharesFY2025as of 2026-03-1210-K2026-03-170001501697-26-000018EntityCommonStockSharesOutstanding
  • Accession numbers link to the filing's index on SEC EDGAR.

Revenue and net income history

Every annual revenue and net income value served for fiscal years 2016-2025, newest first, each with its filing.

MetricFiscal periodPeriodValueFormFiledAccession number
RevenueFY20252025-01-01 to 2025-12-31$6,500,00010-K2026-03-170001501697-26-000018
RevenueFY20242024-01-01 to 2024-12-31$2,600,00010-K2026-03-170001501697-26-000018
RevenueFY20232023-01-01 to 2023-12-31$010-K2026-03-170001501697-26-000018
RevenueFY20222022-01-01 to 2022-12-31$010-K2025-03-260001628280-25-014805
RevenueFY20212021-01-01 to 2021-12-31$010-K2023-03-210001628280-23-008745
RevenueFY20202020-01-01 to 2020-12-31$3,000,00010-K2023-03-210001628280-23-008745
RevenueFY20192019-01-01 to 2019-12-31$010-K2022-03-170001628280-22-006547
RevenueFY20182018-01-01 to 2018-12-31$010-K2021-03-190001628280-21-005202
Net incomeFY20252025-01-01 to 2025-12-31-$79,199,00010-K2026-03-170001501697-26-000018
Net incomeFY20242024-01-01 to 2024-12-31-$37,450,00010-K2026-03-170001501697-26-000018
Net incomeFY20232023-01-01 to 2023-12-31-$101,167,00010-K2026-03-170001501697-26-000018
Net incomeFY20222022-01-01 to 2022-12-31-$93,867,00010-K2025-03-260001628280-25-014805
Net incomeFY20212021-01-01 to 2021-12-31-$88,696,00010-K2024-03-210001628280-24-012578
Net incomeFY20202020-01-01 to 2020-12-31-$62,131,00010-K2023-03-210001628280-23-008745
Net incomeFY20192019-01-01 to 2019-12-31-$52,807,00010-K2022-03-170001628280-22-006547
Net incomeFY20182018-01-01 to 2018-12-31-$33,285,00010-K2021-03-190001628280-21-005202
  • Revenue for FY2018 was restated: first reported as $3,500,000 (accession 0001564590-19-007097, filed 2019-03-11).
  • Net income for FY2018 was restated: first reported as -$43,021,000 (accession 0001564590-19-007097, filed 2019-03-11).

Recent 10-K and 10-Q filings

The 12 most recent 10-K, 10-Q and amendment filings in EDGAR, newest first.

FormFiledPeriod of reportAccession numberDocument
10-Q2026-08-062026-06-300001501697-26-000068xfor-20260630.htm
10-Q2026-05-062026-03-310001501697-26-000040xfor-20260331.htm
10-K2026-03-172025-12-310001501697-26-000018xfor-20251231.htm
10-Q2025-11-052025-09-300001501697-25-000043xfor-20250930.htm
10-Q2025-08-082025-06-300001628280-25-039327xfor-20250630.htm
10-Q2025-05-012025-03-310001628280-25-021358xfor-20250331.htm
10-K2025-03-262024-12-310001628280-25-014805xfor-20241231.htm
10-Q2024-11-132024-09-300001628280-24-047445xfor-20240930.htm
10-Q2024-08-082024-06-300001628280-24-036127xfor-20240630.htm
10-Q2024-05-072024-03-310001628280-24-021120xfor-20240331.htm
10-K2024-03-212023-12-310001628280-24-012578xfor-20231231.htm
10-Q2023-11-092023-09-300001628280-23-038334xfor-20230930.htm

Identifier registry

The company's identifiers in the Olympus identifier registry, each with how it was linked and its source.

SchemeValueHow linkedSourcePublished
SEC Central Index Key (CIK) · OLY-US-SEC-CIK0001501697published by the sourcedata.sec.gov/submissions/CIK0001501697.json2026-10-21
Employer Identification Number (EIN) · US-EIN27-3181608published by the sourcedata.sec.gov/submissions/CIK0001501697.json2026-10-21

Former names

NameFromTo
Arsanis, Inc.2010-09-242019-03-13

Sources

  • EDGAR submissions (nightly bulk archive) (company profile and filings) — U.S. Securities and Exchange Commission. EDGAR snapshot sha256:f7d2a4f18cb91aae, source date 2026-10-20. https://data.sec.gov/submissions/CIK0001501697.json
  • EDGAR XBRL company facts (nightly bulk archive) (financial metrics) — U.S. Securities and Exchange Commission. EDGAR snapshot sha256:01e4045aa34d7224, source date 2026-10-20. https://data.sec.gov/api/xbrl/companyfacts/CIK0001501697.json
  • Published by Olympus on Oct 21, 2026.
  • Source data: U.S. Securities and Exchange Commission (EDGAR). Values are as filed by the registrant; Olympus does not audit or adjust them.
  • Olympus is not affiliated with or endorsed by the U.S. Securities and Exchange Commission.

Get this data from the API

The same figures, with provenance on every value, from the API (free API key, reference) or from an AI agent through the Olympus MCP server.

curl
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curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001501697/financials" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001501697/filings?limit=12" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_sec_company_financials {"cik":"1501697"}

On SEC EDGAR

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