WINMILL MARK CAMPBELL (President and CEO) purchased 1.1% of their position (4K shares) of GLOBAL SELF STORAGE, INC. on the open market
Open‑market purchase worth $20.6K — a small addition. The strongest form of insider conviction signal.
P · 4 purchases
Filed: 9/11/2026ACC: 0001628873-26-000095
DirectorOfficer· President and CEO
Since Mar 2019
+4K
Net shares
Net buyer
$20.6K
Total acquired
4
Open market trades
4B · 0S
4
Total transactions
4K acquired
Non-Derivative Transactions4
Common Stock
Direct
Shares
+1.60K
Price / share
$5.16
Trade value
$8.26K
% of position
0.4%
9/9/2026
368.58K→370.18K
Common Stock
Direct
Shares
+2.06K
Price / share
$5.16
Trade value
$10.62K
% of position
0.6%
9/9/2026
370.18K→372.24K
Common Stock
Direct
Shares
+50.00
Price / share
$5.16
Trade value
$258.00
% of position
0.0%
9/10/2026
372.24K→372.29K
Common Stock
Direct
Shares
+292.00
Price / share
$5.16
Trade value
$1.51K
% of position
0.1%
9/10/2026
372.29K→372.58K
Total
Net shares
+4K
Net value
$20.64K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/9/2026 | P · Purchase | +1.60K | $5.16 | $8.26K | 0.4% | 368.58K | 370.18K |
| Common Stock Direct | 9/9/2026 | P · Purchase | +2.06K | $5.16 | $10.62K | 0.6% | 370.18K | 372.24K |
| Common Stock Direct | 9/10/2026 | P · Purchase | +50.00 | $5.16 | $258.00 | 0.0% | 372.24K | 372.29K |
| Common Stock Direct | 9/10/2026 | P · Purchase | +292.00 | $5.16 | $1.51K | 0.1% | 372.29K | 372.58K |
| Total | +4K | $20.64K | ||||||
Derivative Transactions0
No derivative transactions reported