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SEC registrant · CIK 0001755237

Korsana Biosciences, Inc. (KRSA)

Korsana Biosciences, Inc. (CIK 0001755237, ticker KRSA, EIN 83-1895370) reported revenue of $2.07 million ($2,074,000) for FY2025 (2025-01-01 to 2025-12-31) and net income of -$3.53 million (-$3,528,000) for FY2025 (2025-01-01 to 2025-12-31), as filed in its 10-K filed 2026-03-30 (accession 0001193125-26-132193).

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
CIK0001755237
TickersKRSA (Nasdaq)
EIN83-1895370
SIC industry code2834 Pharmaceutical Preparations
State or country of incorporationMA
Fiscal year endDecember 31
Filer categoryNon-accelerated filer<br>Smaller reporting company
Entity typeoperating
Olympus entity IDorg_1z1n35mf8ny31t2n04mjw6wd3d
  • 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$2,074,000FY20252025-01-01 to 2025-12-3110-K2026-03-300001193125-26-132193Revenues
Net income-$3,528,000FY20252025-01-01 to 2025-12-3110-K2026-03-300001193125-26-132193NetIncomeLoss
Total assets$9,985,000FY2025as of 2025-12-3110-K2026-03-300001193125-26-132193Assets
Stockholders' equity$9,085,000FY2025as of 2025-12-3110-K2026-03-300001193125-26-132193StockholdersEquity
Operating cash flow-$3,314,000FY20252025-01-01 to 2025-12-3110-K2026-03-300001193125-26-132193NetCashProvidedByUsedInOperatingActivities
Diluted earnings per share-$1.11 per shareFY20252025-01-01 to 2025-12-3110-K2026-03-300001193125-26-132193EarningsPerShareDiluted
Shares outstanding4,330,314 sharesFY2025as of 2026-03-2610-K2026-03-300001193125-26-132193EntityCommonStockSharesOutstanding
  • 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$2,074,00010-K2026-03-300001193125-26-132193
RevenueFY20242024-01-01 to 2024-12-31$2,000,00010-K2026-03-300001193125-26-132193
RevenueFY20232023-01-01 to 2023-12-31$010-K/A2025-11-120001193125-25-277621
RevenueFY20222022-01-01 to 2022-12-31$297,00010-K2024-03-050000950170-24-025935
RevenueFY20212021-01-01 to 2021-12-31$3,942,00010-K2023-03-220000950170-23-009223
RevenueFY20202020-01-01 to 2020-12-31$2,296,00010-K2022-02-240000950170-22-001958
RevenueFY20192019-01-01 to 2019-12-31$4,507,00010-K2021-02-250001564590-21-008434
Net incomeFY20252025-01-01 to 2025-12-31-$3,528,00010-K2026-03-300001193125-26-132193
Net incomeFY20242024-01-01 to 2024-12-31-$3,057,00010-K2026-03-300001193125-26-132193
Net incomeFY20232023-01-01 to 2023-12-31-$5,263,00010-K/A2025-11-120001193125-25-277621
Net incomeFY20222022-01-01 to 2022-12-31-$44,078,00010-K2024-03-050000950170-24-025935
Net incomeFY20212021-01-01 to 2021-12-31-$51,647,00010-K2023-03-220000950170-23-009223
Net incomeFY20202020-01-01 to 2020-12-31-$77,802,00010-K2022-02-240000950170-22-001958
Net incomeFY20192019-01-01 to 2019-12-31-$123,008,00010-K2021-02-250001564590-21-008434
  • Revenue for FY2022 was restated: first reported as $1,625,000 (accession 0000950170-23-009223, filed 2023-03-22).

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-Q2026-08-042026-06-300001193125-26-332842cycn-20260630.htm
10-Q2026-05-122026-03-310001193125-26-219478cycn-20260331.htm
10-K/A2026-04-302025-12-310001193125-26-194204cycn-20251231.htm
10-K2026-03-302025-12-310001193125-26-132193cycn-20251231.htm
10-Q2025-11-122025-09-300001193125-25-277749cycn-20250930.htm
10-K/A2025-11-122024-12-310001193125-25-277621cycn-20241231.htm
10-Q2025-08-052025-06-300000950170-25-103123cycn-20250630.htm
10-Q2025-05-062025-03-310000950170-25-064493cycn-20250331.htm
10-K2025-03-042024-12-310000950170-25-032037cycn-20241231.htm
10-Q2024-11-142024-09-300000950170-24-127116cycn-20240930.htm
10-Q2024-08-072024-06-300000950170-24-092257cycn-20240630.htm
10-Q2024-05-072024-03-310000950170-24-054602cycn-20240331.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-CIK0001755237published by the sourcedata.sec.gov/submissions/CIK0001755237.json2026-10-21
Employer Identification Number (EIN) · US-EIN83-1895370published by the sourceaskebsa.dol.gov/FOIA%20Files/2024/Latest/F_5500_2024_Latest.zip2026-10-22
Employer Identification Number (EIN) · US-EIN83-1895370published by the sourcedata.sec.gov/submissions/CIK0001755237.json2026-10-21

Same entity in other Olympus APIs

Records other Olympus APIs serve for this entity, linked through a published identifier (never matched on name).

APIRecordAPI pathLinked through
US Employee Benefits & Form 5500 APIsponsor/v1/form-5500/sponsors/831895370US-EIN 831895370

Former names

NameFromTo
Cyclerion Therapeutics, Inc.2018-10-092026-08-27

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/CIK0001755237.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/CIK0001755237.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
curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001755237" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001755237/financials" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001755237/filings?limit=12" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_sec_company_financials {"cik":"1755237"}

On SEC EDGAR

About this data