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SELF — structural market context

Global Self Storage, Inc.

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

What changed

As of the close on Oct 23. Each line shows the earlier value, the later value and their dates.

Price

Close $4.88 (Oct 23) vs $4.85 (Oct 22): +0.62%.

Volume

0.44× its 20-session average (35K) on Oct 23.

Includes pre- and post-market trading.

Short interest

Short interest 29K shares (settlement Sep 30) vs 17K (Sep 15).

No new publication in this window. Latest: settlement Sep 30, published Oct 10.

Insider filings (Form 4)

None recorded in this window.

SELF events and their magnitude

Latest SEC filing in the event study

Form 4 · purchase · filed 2026-09-11 · View on sec.gov ↗

…

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SELF short interest & days to cover

SHARES SHORT
29K
% OF FLOAT
0.3%
DAYS TO COVER
1.0
CHANGE VS PRIOR
+72.2%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-09-30 (24d ago)

SELF fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-08-07 · 78d13$5.28
2026-08-05 · 80d25$5.19
2026-08-04 · 81d94$5.16

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

SELF insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 15 purchases · 0 sales

InsiderTypeSharesValueFiled
WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase (P)2K$11K2026-09-11
WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase (P)2K$8K2026-09-11
WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase (P)292$2K2026-09-11
WINMILL MARK CAMPBELL · director, officer: President and CEOPurchase (P)50$2582026-09-11
WINMILL & CO. INC · other: See "Explanation of Responses"Purchase (P)8K$43K2026-08-26

SEC Form 4 filings: purchases and sales reported on Form 4 (transaction codes P and S) only; grants and option exercises excluded. Attributed public records.

Frequently asked questions

What is SELF's short interest?
As of the FINRA settlement date 2026-09-30, SELF had 29K shares sold short — 0.3% of its float, with 1.0 days to cover at average volume. FINRA publishes this data roughly two weeks after each twice-monthly settlement, so it is inherently delayed. A short-interest figure describes an aggregate position; it does not predict what the stock will do.
Are insiders buying SELF?
In the last 12 months of SEC Form 4 filings, SELF recorded 15 insider purchases and 0 sales reported on Form 4 (transaction codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
Is this page telling me to buy or sell SELF?
No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.
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SELF: the full history

Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.

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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.