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SEC registrant · CIK 0001031235

Global Self Storage, Inc. (SELF)

Global Self Storage, Inc. (CIK 0001031235, ticker SELF, EIN 13-3926714) reported revenue of $12.71 million ($12,705,245) for FY2025 (2025-01-01 to 2025-12-31) and net income of $2.04 million ($2,038,451) for FY2025 (2025-01-01 to 2025-12-31), as filed in its 10-K filed 2026-03-25 (accession 0001193125-26-124051).

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
CIK0001031235
TickersSELF (Nasdaq)
EIN13-3926714
SIC industry code6798 Real Estate Investment Trusts
State or country of incorporationMD
Fiscal year endDecember 31
Entity typeinvestment
Olympus entity IDorg_3b8ez7jevh0cecegh8v60ewpy0
  • 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$12,705,245FY20252025-01-01 to 2025-12-3110-K2026-03-250001193125-26-124051Revenues
Net income$2,038,451FY20252025-01-01 to 2025-12-3110-K2026-03-250001193125-26-124051NetIncomeLoss
Total assets$64,072,646FY2025as of 2025-12-3110-K2026-03-250001193125-26-124051Assets
Total liabilities$17,536,256FY2025as of 2025-12-3110-K2026-03-250001193125-26-124051Liabilities
Stockholders' equity$46,536,390FY2025as of 2025-12-3110-K2026-03-250001193125-26-124051StockholdersEquity
Operating cash flow$4,473,106FY20252025-01-01 to 2025-12-3110-K2026-03-250001193125-26-124051NetCashProvidedByUsedInOperatingActivities
Diluted earnings per share$0.18 per shareFY20252025-01-01 to 2025-12-3110-K2026-03-250001193125-26-124051EarningsPerShareDiluted
Shares outstanding11,340,552 sharesFY2025as of 2026-03-1610-K2026-03-250001193125-26-124051EntityCommonStockSharesOutstanding
  • 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$12,705,24510-K2026-03-250001193125-26-124051
RevenueFY20242024-01-01 to 2024-12-31$12,530,28010-K2026-03-250001193125-26-124051
RevenueFY20232023-01-01 to 2023-12-31$12,190,71510-K2025-03-260000950170-25-045186
RevenueFY20222022-01-01 to 2022-12-31$11,944,85010-K2024-03-260000950170-24-036393
RevenueFY20212021-01-01 to 2021-12-31$10,508,83010-K2023-03-280000950170-23-010358
RevenueFY20202020-01-01 to 2020-12-31$9,196,52410-K2022-03-310000950170-22-005191
RevenueFY20192019-01-01 to 2019-12-31$8,668,32210-K2021-03-310001564590-21-017086
RevenueFY20182018-01-01 to 2018-12-31$8,110,97910-K/A2020-11-270001564590-20-055517
RevenueFY20172017-01-01 to 2017-12-31$7,472,79310-K2019-04-010001564590-19-010411
Net incomeFY20252025-01-01 to 2025-12-31$2,038,45110-K2026-03-250001193125-26-124051
Net incomeFY20242024-01-01 to 2024-12-31$2,123,74310-K2026-03-250001193125-26-124051
Net incomeFY20232023-01-01 to 2023-12-31$2,938,76910-K2025-03-260000950170-25-045186
Net incomeFY20222022-01-01 to 2022-12-31$2,057,72310-K2024-03-260000950170-24-036393
Net incomeFY20212021-01-01 to 2021-12-31$3,281,25110-K2023-03-280000950170-23-010358
Net incomeFY20202020-01-01 to 2020-12-31$274,34110-K2022-03-310000950170-22-005191
Net incomeFY20192019-01-01 to 2019-12-31$590,61910-K2021-03-310001564590-21-017086
Net incomeFY20182018-01-01 to 2018-12-31$619,44810-K/A2020-11-270001564590-20-055517
Net incomeFY20172017-01-01 to 2017-12-31-$146,29010-K2019-04-010001564590-19-010411

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-Q2026-08-072026-06-300001193125-26-340205self-20260630.htm
10-Q2026-05-082026-03-310001193125-26-214568self-20260331.htm
10-K2026-03-252025-12-310001193125-26-124051self-20251231.htm
10-Q2025-11-072025-09-300001193125-25-272274self-20250930.htm
10-Q2025-08-082025-06-300000950170-25-105798self-20250630.htm
10-Q2025-05-092025-03-310000950170-25-067974self-20250331.htm
10-K2025-03-262024-12-310000950170-25-045186self-20241231.htm
10-Q2024-11-082024-09-300000950170-24-124032self-20240930.htm
10-Q2024-08-092024-06-300000950170-24-094717self-20240630.htm
10-Q2024-05-102024-03-310000950170-24-057771self-20240331.htm
10-K2024-03-262023-12-310000950170-24-036393self-20231231.htm
10-Q2023-11-132023-09-300000950170-23-062893self-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-CIK0001031235published by the sourcedata.sec.gov/submissions/CIK0001031235.json2026-10-21
Employer Identification Number (EIN) · US-EIN13-3926714published by the sourcedata.sec.gov/submissions/CIK0001031235.json2026-10-21

Former names

NameFromTo
Self Storage Group, Inc.2013-11-192016-02-09
GLOBAL INCOME FUND, INC.2006-02-282013-10-25
GLOBAL INCOME FUND INC1999-09-172006-02-10
BULL & BEAR GLOBAL INCOME FUND INC/1997-01-231999-08-13

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/CIK0001031235.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/CIK0001031235.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/0001031235" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001031235/financials" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001031235/filings?limit=12" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_sec_company_financials {"cik":"1031235"}

On SEC EDGAR

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