Global Self Storage (SELF) stock: insider trades, news & valuation
Real Estate · Net buyingShare price and insider trades
Global Self Storage insider trading at a glance (Oct 9, 2026): in the past 12 months, 2 insiders bought $916K and 0 sold $0 of SELF stock on the open market; P/E 27.2 vs. a sector median of 24.5.
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SELF insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $466K | 17 | — | 0 |
| Q2 2026 | $21K | 1 | — | 0 |
| Q1 2026 | — | 0 | — | 0 |
| Q4 2025 | $454K | 19 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 2 Global Self Storage, Inc. insiders reported open-market purchases totaling $916K, while 0 insiders reported sales totaling $0. Among insiders with enough purchase history to measure, Mark Campbell Winmill (CEO, President) has the highest Insider Score at 49.
SELF stock news and SEC filings
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 11SEC | Mark Campbell WinmillCEO, President | Buy | 2,058372,240 held (+1%) | $5.16 | $11K | -5.0% | 49 |
| Sep 11SEC | Mark Campbell WinmillCEO, President | Buy | 1,600370,182 held (+0%) | $5.16 | $8K | -5.0% | 49 |
| Sep 11SEC | Mark Campbell WinmillCEO, President | Buy | 292372,582 held (+0%) | $5.16 | $2K | -5.0% | 49 |
| Sep 11SEC | Mark Campbell WinmillCEO, President | Buy | 50372,290 held (+0%) | $5.16 | $258 | -5.0% | 49 |
| Aug 26SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 7,761228,512 held (+4%) | $5.64 | $44K | -13.1% | 44 |
| Aug 26SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 7,547220,751 held (+4%) | $5.66 | $43K | -13.4% | 44 |
| Aug 24SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 8,022213,204 held (+4%) | $5.62 | $45K | -12.8% | 44 |
| Aug 24SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 7,117205,182 held (+4%) | $5.45 | $39K | -10.1% | 44 |
| Aug 20SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 6,901198,065 held (+4%) | $5.42 | $37K | -9.6% | 44 |
| Aug 20SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 6,877191,164 held (+4%) | $5.40 | $37K | -9.3% | 44 |
| Aug 18SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 7,117178,551 held (+4%) | $5.33 | $38K | -8.1% | 44 |
| Aug 18SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 5,736184,287 held (+3%) | $5.32 | $31K | -7.9% | 44 |
| Aug 14SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 6,029171,434 held (+4%) | $5.23 | $32K | -6.3% | 44 |
| Aug 14SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 5,629165,405 held (+4%) | $5.20 | $29K | -5.8% | 44 |
| Aug 14SEC | Russell E Burke IIIDirector | Buy | 1,62540,002 held (+4%) | $5.21 | $8K | -6.0% | — |
| Aug 12SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 6,248159,776 held (+4%) | $5.15 | $32K | -4.9% | 44 |
| Aug 12SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 5,887153,528 held (+4%) | $5.17 | $30K | -5.2% | 44 |
| May 15SEC | Mark Campbell WinmillCEO, President | Buy | 4,000368,582 held (+1%) | $5.33 | $21K | -8.1% | 49 |
| Dec 5SEC | Mark Campbell WinmillCEO, President | Buy | 6,000334,838 held (+2%) | $5.14 | $31K | -4.7% | 49 |
| Dec 5SEC | Mark Campbell WinmillCEO, President | Buy | 6,000328,838 held (+2%) | $5.13 | $31K | -4.5% | 49 |
| Dec 5SEC | Mark Campbell WinmillCEO, President | Buy | 3,600339,238 held (+1%) | $5.09 | $18K | -3.7% | 49 |
| Dec 5SEC | Mark Campbell WinmillCEO, President | Buy | 800335,638 held (+0%) | $5.05 | $4K | -3.0% | 49 |
| Dec 2SEC | Donald Klimoski IIGeneral Counsel | Buy | 44686,500 held (+1%) | $5.05 | $2K | -3.0% | — |
| Dec 1SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 3,342144,579 held (+2%) | $5.16 | $17K | -5.0% | 44 |
| Dec 1SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 3,062147,641 held (+2%) | $5.18 | $16K | -5.4% | 44 |
| Nov 26SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 4,873141,237 held (+4%) | $5.17 | $25K | -5.2% | 44 |
| Nov 26SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 4,547136,364 held (+3%) | $5.18 | $24K | -5.4% | 44 |
| Nov 24SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 6,226127,753 held (+5%) | $5.09 | $32K | -3.7% | 44 |
| Nov 24SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 4,064131,817 held (+3%) | $5.14 | $21K | -4.7% | 44 |
| Nov 20SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 6,226115,657 held (+6%) | $5.13 | $32K | -4.5% | 44 |
| Nov 20SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 5,870121,527 held (+5%) | $5.08 | $30K | -3.5% | 44 |
| Nov 18SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 6,226103,813 held (+6%) | $5.12 | $32K | -4.3% | 44 |
| Nov 18SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 5,618109,431 held (+5%) | $5.16 | $29K | -5.0% | 44 |
| Nov 14SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 7,03597,587 held (+8%) | $5.09 | $36K | -3.7% | 44 |
| Nov 14SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 6,69490,552 held (+8%) | $5.03 | $34K | -2.6% | 44 |
| Nov 12SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 6,05583,858 held (+8%) | $5.03 | $30K | -2.6% | 44 |
| Nov 12SEC | Winmill & Co. Inc"See ""Explanation Of Responses""" | Buy | 2,06977,803 held (+3%) | $4.97 | $10K | -1.4% | 44 |
Insiders at Global Self Storage, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Winmill & Co. Inc"See ""Explanation Of Responses""" | $804K | — | Aug 26, 2026 | 44 |
| Mark Campbell WinmillCEO, President | $126K | — | Sep 11, 2026 | 49 |
| Russell E Burke IIIDirector | $8K | — | Aug 14, 2026 | — |
| Donald Klimoski IIGeneral Counsel | $2K | — | Dec 2, 2025 | — |
Insider activity at other Real Estate companies
Same sector, ranked by insider buying in the last 90 days.
SELF stock: common questions
Are Global Self Storage, Inc. insiders buying SELF stock?
In the past 12 months, 2 insiders reported open-market purchases of SELF worth $916K. The latest was CEO, President Mark Campbell Winmill bought $11K of SELF at $5.16.
Are Global Self Storage, Inc. insiders selling SELF stock?
0 insiders reported sales worth $0 over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is SELF's P/E ratio?
SELF trades at about 27.2 times trailing earnings, compared with a median of 24.5 for the Real Estate sector.
What is SELF's 52-week range?
Over the past year SELF has traded between $4.59 and $5.59. It last closed at $4.90 on Oct 9, 2026.