Winmill Mark Campbell
President And CEO
Buy
Calculated transaction value
$1.51K
292 shares @ $5.16
Traded
Sep 10, 2026
Filed
Sep 11, 2026
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Global Self Storage
SELF
FinanceHolding & Investment
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
19 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Winmill Mark Campbell President And CEO | Sep 11, 2026 1-day lag | Buy Sep 10, 2026 | $1.51K Filed shares x price | SEC Form 4 View filing | |
| Winmill Mark Campbell President And CEO | Sep 11, 2026 1-day lag | Buy Sep 10, 2026 | $258 Filed shares x price | SEC Form 4 View filing | |
| Winmill Mark Campbell President And CEO | Sep 11, 2026 2-day lag | Buy Sep 9, 2026 | $10.62K Filed shares x price | SEC Form 4 View filing | |
| Winmill Mark Campbell President And CEO | Sep 11, 2026 2-day lag | Buy Sep 9, 2026 | $8.26K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 26, 2026 Same-day filing | Buy Aug 26, 2026 | $43.76K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 26, 2026 1-day lag | Buy Aug 25, 2026 | $42.69K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 24, 2026 Same-day filing | Buy Aug 24, 2026 | $45.05K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 24, 2026 3-day lag | Buy Aug 21, 2026 | $38.81K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 20, 2026 Same-day filing | Buy Aug 20, 2026 | $37.42K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 20, 2026 1-day lag | Buy Aug 19, 2026 | $37.16K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 18, 2026 Same-day filing | Buy Aug 18, 2026 | $30.51K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 18, 2026 1-day lag | Buy Aug 17, 2026 | $37.94K Filed shares x price | SEC Form 4 View filing | |
| Burke Russell E Iii Director | Aug 14, 2026 1-day lag | Buy Aug 13, 2026 | $8.46K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 14, 2026 Same-day filing | Buy Aug 14, 2026 | $31.51K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 14, 2026 1-day lag | Buy Aug 13, 2026 | $29.28K Filed shares x price | SEC Form 4 View filing | |
| Zachary William Chester Director | Aug 13, 2026 2-day lag | Award Aug 11, 2026 | $999.6 Filed shares x price | SEC Form 4 View filing | |
| Burke Russell E Iii Director | Aug 13, 2026 2-day lag | Award Aug 11, 2026 | $999.6 Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 12, 2026 Same-day filing | Buy Aug 12, 2026 | $32.19K Filed shares x price | SEC Form 4 View filing | |
| Winmill & Co. Inc Other | Aug 12, 2026 1-day lag | Buy Aug 11, 2026 | $30.41K Filed shares x price | SEC Form 4 View filing |
Winmill Mark Campbell
President And CEO
Buy
Calculated transaction value
$258
50 shares @ $5.16
Traded
Sep 10, 2026
Filed
Sep 11, 2026
Winmill Mark Campbell
President And CEO
Buy
Calculated transaction value
$10.62K
2,058 shares @ $5.16
Traded
Sep 9, 2026
Filed
Sep 11, 2026
Winmill Mark Campbell
President And CEO
Buy
Calculated transaction value
$8.26K
1,600 shares @ $5.16
Traded
Sep 9, 2026
Filed
Sep 11, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$43.76K
7,761 shares @ $5.64
Traded
Aug 26, 2026
Filed
Aug 26, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$42.69K
7,547 shares @ $5.66
Traded
Aug 25, 2026
Filed
Aug 26, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$45.05K
8,022 shares @ $5.62
Traded
Aug 24, 2026
Filed
Aug 24, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$38.81K
7,117 shares @ $5.45
Traded
Aug 21, 2026
Filed
Aug 24, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$37.42K
6,901 shares @ $5.42
Traded
Aug 20, 2026
Filed
Aug 20, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$37.16K
6,877 shares @ $5.4
Traded
Aug 19, 2026
Filed
Aug 20, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$30.51K
5,736 shares @ $5.32
Traded
Aug 18, 2026
Filed
Aug 18, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$37.94K
7,117 shares @ $5.33
Traded
Aug 17, 2026
Filed
Aug 18, 2026
Burke Russell E Iii
Director
Buy
Calculated transaction value
$8.46K
1,625 shares @ $5.21
Traded
Aug 13, 2026
Filed
Aug 14, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$31.51K
6,029 shares @ $5.23
Traded
Aug 14, 2026
Filed
Aug 14, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$29.28K
5,629 shares @ $5.2
Traded
Aug 13, 2026
Filed
Aug 14, 2026
Zachary William Chester
Director
Award
Calculated transaction value
$999.6
196 shares @ $5.1
Traded
Aug 11, 2026
Filed
Aug 13, 2026
Burke Russell E Iii
Director
Award
Calculated transaction value
$999.6
196 shares @ $5.1
Traded
Aug 11, 2026
Filed
Aug 13, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$32.19K
6,248 shares @ $5.15
Traded
Aug 12, 2026
Filed
Aug 12, 2026
Winmill & Co. Inc
Other
Buy
Calculated transaction value
$30.41K
5,887 shares @ $5.17
Traded
Aug 11, 2026
Filed
Aug 12, 2026