Global Self Storage, Inc. (SELF)
Nasdaq: SELF · Real Estate Investment Trusts · Millbrook, NY · filing with the SEC since 1997
Grade5.3
◀ Past 5.5● Present 5.7▶ Future 4.6
Who owns Global Self Storage, Inc.
As filed with the SECHolders of 5% or more
1
Mark Campbell Winmill holds 8.4% of Common Stock, $0.01 par value per share, as its SCHEDULE 13D/A filed Dec 5, 2025 says.
Directors and officers
6
report now, of 10 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Mark Campbell Winmill
SCHEDULE 13D/A · filed Dec 5, 2025 · Common Stock, $0.01 par value per share · 7.3% in May 21, 2025
Bard Associates Inc
SCHEDULE 13G/A · filed Nov 12, 2025 · Common Stock · reported falling below 5%
What SELF reports owning in othersstakes of 5% or more, and other ties
17 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 25, 2026.
Insider tradesForm 4
0sales
11purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Nov 12, 2025 to Nov 12, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 12, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 14 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Winmill & Co. Inc | other | 0 | $0 | 0 | 25 | $800,000 |
| Winmill Mark Campbell | President and CEO | 0 | $0 | 0 | 9 | $100,000 |
| Klimoski Donald II | General Counsel | 0 | $0 | 0 | 1 | $0 |
| Burke Russell E III | director | 0 | $0 | 0 | 1 | $0 |