WINMILL & CO. INC
SEC CIK 52234 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| SELF | Global Self Storage, Inc. | See "Explanation of Responses" | 228.5K | $1.17M | — | 23 | 2024-08-14 | 2026-08-25 |
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 23
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-08-26 16:47 | 2026-08-25+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.65 | +15.3K | 228.5K | +7% | +$86.5K |
| M | 2026-08-24 16:03 | 2026-08-21+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.54 | +15.1K | 213.2K | +8% | +$83.9K |
| M | 2026-08-20 16:32 | 2026-08-19+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.41 | +13.8K | 198.1K | +7% | +$74.6K |
| M | 2026-08-18 16:16 | 2026-08-17+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.33 | +12.9K | 184.3K | +7% | +$68.4K |
| M | 2026-08-14 16:19 | 2026-08-13+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.21 | +11.7K | 171.4K | +7% | +$60.8K |
| M | 2026-08-12 16:52 | 2026-08-11+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.16 | +12.1K | 159.8K | +8% | +$62.6K |
| M | 2025-12-01 | 2025-11-28+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.17 | +6,404 | 147.6K | +5% | +$33.1K |
| M | 2025-11-26 | 2025-11-25+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.17 | +9,420 | 136.4K | +7% | +$48.7K |
| M | 2025-11-24 | 2025-11-21+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.11 | +10.3K | 127.8K | +9% | +$52.6K |
| M | 2025-11-20 | 2025-11-19+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.11 | +12.1K | 121.5K | +11% | +$61.8K |
| M | 2025-11-18 | 2025-11-17+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.14 | +11.8K | 109.4K | +12% | +$60.9K |
| M | 2025-11-14 | 2025-11-13+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.06 | +13.7K | 97.6K | +16% | +$69.5K |
| M | 2025-11-12 | 2025-11-11+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.01 | +8,124 | 83.9K | +11% | +$40.7K |
| 2025-08-29 | 2025-08-29 | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.48 | +4,592 | 75.7K | +6% | +$25.2K | |
| M | 2025-08-28 | 2025-08-27+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.39 | +12.7K | 71.1K | +22% | +$68.4K |
| M | 2025-08-26 | 2025-08-25+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.24 | +15.6K | 58.5K | +36% | +$81.8K |
| M | 2025-08-22 | 2025-08-21+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.14 | +2,662 | 42.8K | +7% | +$13.7K |
| M | 2024-08-30 | 2024-08-29+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.22 | +2,636 | 40.2K | +7% | +$13.7K |
| M | 2024-08-27 | 2024-08-26+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.18 | +4,731 | 37.5K | +14% | +$24.5K |
| M | 2024-08-23 | 2024-08-22+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.20 | +8,706 | 32.8K | +36% | +$45.3K |
| M | 2024-08-21 | 2024-08-20+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.10 | +7,327 | 24.1K | +44% | +$37.4K |
| M | 2024-08-19 | 2024-08-16+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.05 | +7,496 | 12.6K | +147% | +$37.9K |
| M | 2024-08-15 | 2024-08-14+ | SELF | Global Self Storage, Inc. | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $4.97 | +4,200 | 6,987 | +151% | +$20.9K |
Purchase Sale Sale after option exercise All abbreviations