WINMILL MARK CAMPBELL

CIK: 0001019264

WINMILL MARK CAMPBELL is a corporate insider at Global Self Storage, Inc. (SELF) filing SEC Form 4 transactions. 112 transactions across 3 companies, totaling $790,587 in purchases and $75,495 in sales. Source: SEC EDGAR.

Total Transactions
112
Total Buy Value
$791K
Total Sell Value
$75K
Net Activity
+$715K
Last Transaction
Dec 2025
Companies
3

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Purchase
Shares
3,600
Price
$5.09
Value
$18K
Type
Purchase
Shares
800
Price
$5.05
Value
$4K
Type
Purchase
Shares
6,000
Price
$5.14
Value
$31K
Type
Purchase
Shares
6,000
Price
$5.13
Value
$31K
Type
Purchase
Shares
10,000
Price
$5.67
Value
$57K
Type
Award
Shares
12,672
Price
$4.32
Value
$55K
Type
Award
Shares
12,672
Price
$5.08
Value
$64K
Type
Purchase
Shares
20,000
Price
$4.97
Value
$99K
Type
Purchase
Shares
100
Price
$4.90
Value
$490
Type
Purchase
Shares
375
Price
$4.91
Value
$2K
Type
Purchase
Shares
24
Price
$4.91
Value
$118
Type
Purchase
Shares
2,400
Price
$4.90
Value
$12K
Type
Award
Shares
38,054
Price
$4.32
Value
$164K
Type
Award
Shares
3,467
Price
$4.32
Value
$15K
Type
Award
Shares
12,672
Price
$4.32
Value
$55K
Type
Purchase
Shares
1,000
Price
$4.84
Value
$5K
Type
Purchase
Shares
1,000
Price
$4.81
Value
$5K
Type
Purchase
Shares
2,000
Price
$4.87
Value
$10K
Type
Purchase
Shares
1,511
Price
$4.81
Value
$7K
Type
Purchase
Shares
489
Price
$4.81
Value
$2K