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Global Self Storage, Inc.

SELF Net buying
CIK 0001031235 #4603 in the set updated 17 Sep 2026
Bought (1 mo)
$333.97K
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
+$333.97K
+$333.97K against sales at will

By person

9 insiders · 12 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
WINMILL & CO. INC entity
See "Explanation of Responses"
$313.33K (8)
—
+$313.33K
228,512
2.00%
$1.18M
+468.7%
WINMILL MARK CAMPBELL
President and CEO
$20.64K (4)
—
+$20.64K
372,582
3.26%
$1.92M
+29.6%
TUXIS CORP entity
See "Explanation of Responses"
—
—
—
303,758
2.66%
$1.57M
+6.8%
Klimoski Donald II
General Counsel
—
—
—
97,554
0.8541%
$503.38K
+30.1%
OMalley Thomas
Chief Financial Officer
—
—
—
91,694
0.8028%
$473.14K
+31.8%
BURKE RUSSELL E III
Director
—
—
—
40,002
0.3502%
$206.41K
+35.9%
Zachary William Chester
Director
—
—
—
18,296
0.1602%
$94.41K
+150.6%
Kamerman Russell
Assistant General Counsel
—
—
—
5,925
0.0519%
$30.57K
+20.3%
Carroll Sally Coonrad
Director
—
—
—
3,776
0.0331%
$19.48K
+88.8%

Individual transactions

12
Insider
Date
Role
Action
Shares
Price
Amount
WINMILL MARK CAMPBELL
10 Sep 2026
President and CEO
Buy
292
$5.16
$1.51K
WINMILL MARK CAMPBELL
10 Sep 2026
President and CEO
Buy
50
$5.16
$258.00
WINMILL MARK CAMPBELL
9 Sep 2026
President and CEO
Buy
2,058
$5.16
$10.62K
WINMILL MARK CAMPBELL
9 Sep 2026
President and CEO
Buy
1,600
$5.16
$8.26K
WINMILL & CO. INC
26 Aug 2026
See "Explanation of Responses"
Buy
7,761
$5.64
$43.76K
WINMILL & CO. INC
25 Aug 2026
See "Explanation of Responses"
Buy
7,547
$5.66
$42.69K
WINMILL & CO. INC
24 Aug 2026
See "Explanation of Responses"
Buy
8,022
$5.62
$45.05K
WINMILL & CO. INC
21 Aug 2026
See "Explanation of Responses"
Buy
7,117
$5.45
$38.81K
WINMILL & CO. INC
20 Aug 2026
See "Explanation of Responses"
Buy
6,901
$5.42
$37.42K
WINMILL & CO. INC
19 Aug 2026
See "Explanation of Responses"
Buy
6,877
$5.40
$37.16K
WINMILL & CO. INC
18 Aug 2026
See "Explanation of Responses"
Buy
5,736
$5.32
$30.51K
WINMILL & CO. INC
17 Aug 2026
See "Explanation of Responses"
Buy
7,117
$5.33
$37.94K
Show all 12 transactions →

What was left out

Form 4 filings counted 5
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 0
History held since 21 Nov 2016