WINMILL MARK CAMPBELL
SEC CIK 1019264 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| SELF | Global Self Storage, Inc. | Pres, CEO, Dir | 372.6K | $456.0K | — | 18 | 2021-08-20 | 2026-09-09 |
Most active insiders at SELF, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | WINMILL & CO. INC | See "Explanation of Responses" | $804.0K | — |
| 2 | WINMILL MARK CAMPBELL | Pres, CEO, Dir | $125.9K | — |
| 3 | BURKE RUSSELL E III | Dir | $8,459 | — |
| 4 | Klimoski Donald II | GC | $2,252 | — |
| 5 | Zachary William Chester | Dir | — | — |
| 6 | Kamerman Russell | Assistant GC | — | — |
| 7 | OMalley Thomas | CFO | — | — |
Transactions 18
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-09-11 16:29 | 2026-09-09+ | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.16 | +4,000 | 372.6K | +1% | +$20.6K |
| 2026-05-15 16:23 | 2026-05-14 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.33 | +4,000 | 368.6K | +1% | +$21.3K | |
| M | 2026-03-25 | 2026-03-24 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $5.09 | +25.3K | 351.9K | +8% | +$129.0K |
| M | 2025-12-05 | 2025-12-03+ | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.12 | +16.4K | 334.8K | +5% | +$84.0K |
| 2025-05-20 | 2025-05-19 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.67 | +10.0K | 322.8K | +3% | +$56.7K | |
| M | 2025-03-26 | 2025-03-25 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $4.70 | +25.3K | 300.2K | +9% | +$119.1K |
| M | 2024-05-30 | 2024-05-28+ | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $4.96 | +22.9K | 267.0K | +9% | +$113.6K |
| M | 2024-03-26 | 2024-03-25 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $4.32 | +54.2K | 226.5K | +31% | +$234.1K |
| M | 2023-11-17 | 2023-11-16 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $4.83 | +7,200 | 206.4K | +4% | +$34.8K |
| 2023-08-18 | 2023-08-17 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.07 | +1,000 | 203.2K | +0.5% | +$5,070 | |
| M | 2023-05-16 | 2023-05-15 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.12 | +7,800 | 197.6K | +4% | +$39.9K |
| M | 2023-03-29 | 2023-03-27 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $5.17 | +14.8K | 194.4K | +8% | +$76.3K |
| M | 2022-11-21 | 2022-11-18 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.18 | +3,000 | 179.6K | +2% | +$15.5K |
| M | 2022-08-24 | 2022-08-23 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $6.07 | +4,800 | 176.0K | +3% | +$29.1K |
| 2022-05-23 | 2022-05-20 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.74 | +1,700 | 171.8K | +1.0% | +$9,758 | |
| 2022-03-29 | 2022-03-28 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $5.52 | +8,025 | 170.1K | +5% | +$44.3K | |
| 2021-08-25 | 2021-08-24 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.12 | +1,000 | 162.1K | +0.6% | +$5,120 | |
| M | 2021-08-24 | 2021-08-20 | SELF | Global Self Storage, Inc. | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.10 | +4,000 | 159.1K | +3% | +$20.4K |
Purchase Sale Sale after option exercise All abbreviations