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SEC registrant · CIK 0000862831

FINANCIAL INSTITUTIONS INC (FISI)

FINANCIAL INSTITUTIONS INC (CIK 0000862831, ticker FISI, EIN 16-0816610) reported net income of $74.87 million ($74,867,000) for FY2025 (2025-01-01 to 2025-12-31) and total assets of $6.27 billion ($6,274,140,000) for FY2025 (as of 2025-12-31), as filed in its 10-K filed 2026-03-09 (accession 0001193125-26-098467).

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
CIK0000862831
TickersFISI (Nasdaq), FIISO (OTC), FIISP (OTC)
EIN16-0816610
SIC industry code6021 National Commercial Banks
State or country of incorporationNY
Fiscal year endDecember 31
Filer categoryAccelerated filer
Entity typeoperating
Olympus entity IDorg_7c25d9b7na2rx1a9vydyxqf1wt
  • 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
Net income$74,867,000FY20252025-01-01 to 2025-12-3110-K2026-03-090001193125-26-098467NetIncomeLoss
Total assets$6,274,140,000FY2025as of 2025-12-3110-K2026-03-090001193125-26-098467Assets
Total liabilities$5,645,286,000FY2025as of 2025-12-3110-K2026-03-090001193125-26-098467Liabilities
Stockholders' equity$628,854,000FY2025as of 2025-12-3110-K2026-03-090001193125-26-098467StockholdersEquity
Operating cash flow$18,802,000FY20252025-01-01 to 2025-12-3110-K2026-03-090001193125-26-098467NetCashProvidedByUsedInOperatingActivities
Diluted earnings per share$3.61 per shareFY20252025-01-01 to 2025-12-3110-K2026-03-090001193125-26-098467EarningsPerShareDiluted
Shares outstanding19,634,210 sharesFY2025as of 2026-02-2710-K2026-03-090001193125-26-098467EntityCommonStockSharesOutstanding
  • 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
Net incomeFY20252025-01-01 to 2025-12-31$74,867,00010-K2026-03-090001193125-26-098467
Net incomeFY20242024-01-01 to 2024-12-31-$41,646,00010-K2026-03-090001193125-26-098467
Net incomeFY20232023-01-01 to 2023-12-31$50,264,00010-K2026-03-090001193125-26-098467
Net incomeFY20222022-01-01 to 2022-12-31$56,573,00010-K2025-03-120000950170-25-037918
Net incomeFY20212021-01-01 to 2021-12-31$77,697,00010-K2024-03-130000950170-24-030754
Net incomeFY20202020-01-01 to 2020-12-31$38,332,00010-K2023-03-090000950170-23-007010
Net incomeFY20192019-01-01 to 2019-12-31$48,862,00010-K2022-03-100000950170-22-003353
Net incomeFY20182018-01-01 to 2018-12-31$39,526,00010-K2021-03-150001564590-21-013158
Net incomeFY20172017-01-01 to 2017-12-31$33,526,00010-K2020-03-040001564590-20-008690
Net incomeFY20162016-01-01 to 2016-12-31$31,931,00010-K2019-03-080001564590-19-006936

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-Q2026-08-032026-06-300001193125-26-330542fisi-20260630.htm
10-Q2026-05-042026-03-310001193125-26-203962fisi-20260331.htm
10-K2026-03-092025-12-310001193125-26-098467fisi-20251231.htm
10-Q2025-11-032025-09-300001193125-25-262535fisi-20250930.htm
10-Q2025-08-042025-06-300000950170-25-101991fisi-20250630.htm
10-Q2025-05-052025-03-310000950170-25-063527fisi-20250331.htm
10-K2025-03-122024-12-310000950170-25-037918fisi-20241231.htm
10-Q2024-11-042024-09-300000950170-24-120679fisi-20240930.htm
10-Q2024-08-052024-06-300000950170-24-090729fisi-20240630.htm
10-Q2024-05-062024-03-310000950170-24-053540fisi-20240331.htm
10-K2024-03-132023-12-310000950170-24-030754fisi-20231231.htm
10-Q2023-11-062023-09-300000950170-23-059382fisi-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-CIK0000862831published by the sourcedata.sec.gov/submissions/CIK0000862831.json2026-10-21
Employer Identification Number (EIN) · US-EIN16-0816610published by the sourceaskebsa.dol.gov/FOIA%20Files/2024/Latest/F_5500_2024_Latest.zip2026-10-22
Employer Identification Number (EIN) · US-EIN16-0816610published by the sourcedata.sec.gov/submissions/CIK0000862831.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/160816610US-EIN 160816610

Former names

NameFromTo
FINANCIAL INSTITUTIONS INC1999-04-232026-09-28

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/CIK0000862831.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/CIK0000862831.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/0000862831" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0000862831/financials" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0000862831/filings?limit=12" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_sec_company_financials {"cik":"862831"}

On SEC EDGAR

About this data