WINMILL MARK CAMPBELL
SEC insider (Form 3/4/5 filer). CIK 0001019264. President and CEO at Global Self Storage, Inc. (SELF). 14 reported Form 4/5 transactions since Sep 2024; latest on Sep 10, 2026. Located in MILLBROOK, NY.
Companies WINMILL MARK CAMPBELL has filed insider reports for
- Global Self Storage, Inc. (SELF): Director, Officer, President and CEO
WINMILL MARK CAMPBELL
CIK: 0001019264
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Global Self Storage, Inc.
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Sep 10, 2026SELF
Global Self Storage, Inc.
PurchaseDirect292 shares at avg. $5.16$2K - Sep 10, 2026SELF
Global Self Storage, Inc.
PurchaseDirect50 shares at avg. $5.16$258 - Sep 9, 2026SELF
Global Self Storage, Inc.
PurchaseDirect1.6K shares at avg. $5.16$8K - Sep 9, 2026SELF
Global Self Storage, Inc.
PurchaseDirect2.1K shares at avg. $5.16$11K - May 14, 2026SELF
Global Self Storage, Inc.
PurchaseDirect4K shares at avg. $5.33$21K - Mar 24, 2026SELF
Global Self Storage, Inc.
AwardDirect12.7K shares at avg. $5.10$65K - Mar 24, 2026SELF
Global Self Storage, Inc.
AwardDirect12.7K shares at avg. $5.08$64K - Dec 5, 2025SELF
Global Self Storage, Inc.
PurchaseDirect3.6K shares at avg. $5.09$18K - Dec 5, 2025SELF
Global Self Storage, Inc.
PurchaseDirect800 shares at avg. $5.05$4K - Dec 4, 2025SELF
Global Self Storage, Inc.
PurchaseDirect6K shares at avg. $5.14$31K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 10, 2026 | SELF Global Self Storage, Inc. | Purchase | 292 | $5.16 | $1,507 | Direct |
| Sep 10, 2026 | SELF Global Self Storage, Inc. | Purchase | 50 | $5.16 | $258 | Direct |
| Sep 9, 2026 | SELF Global Self Storage, Inc. | Purchase | 1,600 | $5.16 | $8,256 | Direct |
| Sep 9, 2026 | SELF Global Self Storage, Inc. | Purchase | 2,058 | $5.16 | $10,619 | Direct |
| May 14, 2026 | SELF Global Self Storage, Inc. | Purchase | 4,000 | $5.33 | $21,320 | Direct |
| Mar 24, 2026 | SELF Global Self Storage, Inc. | Award | 12,672 | $5.10 | $64,627 | Direct |
| Mar 24, 2026 | SELF Global Self Storage, Inc. | Award | 12,672 | $5.08 | $64,374 | Direct |
| Dec 5, 2025 | SELF Global Self Storage, Inc. | Purchase | 3,600 | $5.09 | $18,324 | Direct |
| Dec 5, 2025 | SELF Global Self Storage, Inc. | Purchase | 800 | $5.05 | $4,040 | Direct |
| Dec 4, 2025 | SELF Global Self Storage, Inc. | Purchase | 6,000 | $5.14 | $30,849 | Direct |
1-10 of 14 transactions