Global Self Storage, Inc.
SELFAs of the close on Sep 25, 2026
Price
$5.05
Market cap
$57.7M
P/E (diluted TTM)
28.1
EPS (TTM)
$0.18
Four quarters to Jun 30, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments
Figures shown here come from public SEC filings. Dates beside each section show the available history.
How Global Self Storage, Inc. Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
Pick a year or quarter. Each band's width is its dollar amount.
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
Loading financial history…
SEC filings supply these figures; updates after the dates shown are not included. This page includes 8 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated May 15, 2026.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Independent insiders buying near the same time
- 2025-11-28–2025-12-05: 7 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing )
- 2025-11-26–2025-12-03: 5 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing )
- 2025-11-25–2025-12-02: 5 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing )
- 2025-08-22–2025-08-29: 7 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing )
- 2025-08-21–2025-08-28: 7 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing )
- 2025-05-15–2025-05-21: 4 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2024-05-24–2024-05-30: 8 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing , filing )
- 2023-11-16–2023-11-17: 7 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing )
- 2023-08-17–2023-08-17: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2023-05-12–2023-05-15: 9 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing , filing , filing )
- 2022-11-16–2022-11-18: 6 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
- 2021-08-24–2021-08-30: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2020-11-19–2020-11-20: 7 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing )
- 2020-08-19–2020-08-24: 9 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing , filing , filing )
- 2020-05-20–2020-05-20: 4 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2018-05-18–2018-05-25: 6 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
- 2017-08-23–2017-08-23: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2017-05-24–2017-05-31: 6 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
- 2017-05-23–2017-05-30: 5 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-05-14 | WINMILL MARK CAMPBELL · President and CEO | Common Stock | P — Open market or private purchase | +4,000 | 5.33 | SEC filing |
| 2025-12-05 | WINMILL MARK CAMPBELL · President and CEO | Common Stock | P — Open market or private purchase | +3,600 | 5.09 | SEC filing |
| 2025-12-05 | WINMILL MARK CAMPBELL · President and CEO | Common Stock | P — Open market or private purchase | +800 | 5.05 | SEC filing |
| 2025-12-04 | WINMILL MARK CAMPBELL · President and CEO | Common Stock | P — Open market or private purchase | +6,000 | 5.14 | SEC filing |
| 2025-12-03 | WINMILL MARK CAMPBELL · President and CEO | Common Stock | P — Open market or private purchase | +6,000 | 5.13 | SEC filing |
| 2025-12-02 | Klimoski Donald II · General Counsel | Common Stock | P — Open market or private purchase | +446 | 5.05 | SEC filing |
| 2025-12-01 | WINMILL & CO. INC · Other | Common Stock | P — Open market or private purchase | +3,062 | 5.18 | SEC filing |
| 2025-11-28 | WINMILL & CO. INC · Other | Common Stock | P — Open market or private purchase | +3,342 | 5.16 | SEC filing |
Showing 8 of 12 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-05-12 | BURKE RUSSELL E III · Director | Common Stock | A — Grant, award, or other acquisition | +94 | SEC filing |
| 2026-05-12 | Zachary William Chester · Director | Common Stock | A — Grant, award, or other acquisition | +94 | SEC filing |
| 2026-03-31 | Zachary William Chester · Director | Common Stock | A — Grant, award, or other acquisition | +2,739 | SEC filing |
| 2026-03-31 | BURKE RUSSELL E III · Director | Common Stock | A — Grant, award, or other acquisition | +2,739 | SEC filing |
| 2026-03-24 | OMalley Thomas · Chief Financial Officer | Common Stock | A — Grant, award, or other acquisition | +5,527 | SEC filing |
| 2026-03-24 | Klimoski Donald II · General Counsel | Common Stock | A — Grant, award, or other acquisition | +5,527 | SEC filing |
| 2026-03-24 | Klimoski Donald II · General Counsel | Common Stock | A — Grant, award, or other acquisition | +5,527 | SEC filing |
| 2026-03-24 | Kamerman Russell · Assistant General Counsel | Common Stock | A — Grant, award, or other acquisition | +500 | SEC filing |
Showing 8 of 20 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2021-03-29 | Midas Securities Group, Inc. · Other | Common Stock | J — Other acquisition or disposition | +135,101 | SEC filing |
| 2021-03-29 | WINMILL & CO. INC · Other | Common Stock | J — Other acquisition or disposition | −135,101 | SEC filing |
| 2021-03-25 | OMalley Thomas · Chief Financial Officer | Common Stock | D — Disposition to the issuer | −3,048 | SEC filing |
| 2021-03-25 | Klimoski Donald II · General Counsel | Common Stock | D — Disposition to the issuer | −3,048 | SEC filing |
| 2021-03-25 | WINMILL MARK CAMPBELL · President and CEO | Common Stock | D — Disposition to the issuer | −6,988 | SEC filing |
| 2020-07-31 | WINMILL MARK CAMPBELL · President and CEO | Common Stock | W — Acquisition or disposition by will or laws of descent | +11,999 | SEC filing |
| 2016-01-19 (amended) | BURKE RUSSELL E III · Director | Common Stock | J — Other acquisition or disposition | +0 | SEC filing |
Showing 7 of 7 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.