SELF Global Self Storage, Inc.
Nasdaq · SEC CIK 1031235 · EDGAR
- Bought, last 12 months
- $940.6K 18 purchases by 4 insiders
- Sold, last 12 months
- $0 0 sales by 0 insiders
- Filings on record
- 97 since 2021-08-24, latest 2026-09-11 16:29
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| WINMILL & CO. INC | See "Explanation of Responses" | $804.0K | — |
| WINMILL MARK CAMPBELL | Pres, CEO, Dir | $125.9K | — |
| BURKE RUSSELL E III | Dir | $8,459 | — |
| Klimoski Donald II | GC | $2,252 | — |
| Zachary William Chester | Dir | — | — |
| Kamerman Russell | Assistant GC | — | — |
| OMalley Thomas | CFO | — | — |
Transactions 97
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-09-11 16:29 | 2026-09-09+ | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.16 | +4,000 | 372.6K | +1% | +$20.6K |
| M | 2026-08-26 16:47 | 2026-08-25+ | SELF | 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 | 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 | 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 | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.33 | +12.9K | 184.3K | +7% | +$68.4K |
| 2026-08-14 16:20 | 2026-08-13 | SELF | BURKE RUSSELL E III | Dir | P - Purchase | $5.21 | +1,625 | 40.0K | +4% | +$8,459 | |
| M | 2026-08-14 16:19 | 2026-08-13+ | SELF | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.21 | +11.7K | 171.4K | +7% | +$60.8K |
| 2026-08-13 16:06 | 2026-08-11 | SELF | Zachary William Chester | Dir | A - Grant | $5.10 | +196 | 18.3K | +1% | +$999.60 | |
| 2026-08-13 16:03 | 2026-08-11 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.10 | +196 | 38.4K | +0.5% | +$999.60 | |
| M | 2026-08-12 16:52 | 2026-08-11+ | SELF | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.16 | +12.1K | 159.8K | +8% | +$62.6K |
| 2026-05-15 16:23 | 2026-05-14 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.33 | +4,000 | 368.6K | +1% | +$21.3K | |
| 2026-05-14 16:42 | 2026-05-12 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.31 | +94 | 38.2K | +0.2% | +$499.14 | |
| 2026-05-14 16:28 | 2026-05-12 | SELF | Zachary William Chester | Dir | A - Grant | $5.31 | +94 | 18.1K | +0.5% | +$499.14 | |
| 2026-04-01 16:52 | 2026-03-31 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.11 | +2,739 | 38.1K | +8% | +$14.0K | |
| 2026-04-01 16:42 | 2026-03-31 | SELF | Zachary William Chester | Dir | A - Grant | $5.11 | +2,739 | 18.0K | +18% | +$14.0K | |
| M | 2026-03-25 | 2026-03-24 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $5.09 | +25.3K | 351.9K | +8% | +$129.0K |
| M | 2026-03-25 | 2026-03-24 | SELF | Klimoski Donald II | GC | A - Grant | $5.09 | +11.1K | 97.6K | +13% | +$56.3K |
| M | 2026-03-25 | 2026-03-24 | SELF | OMalley Thomas | CFO | A - Grant | $5.09 | +11.1K | 86.2K | +15% | +$56.3K |
| 2026-03-25 | 2026-03-24 | SELF | Kamerman Russell | Assistant GC | A - Grant | $5.10 | +500 | 5,925 | +9% | +$2,550 | |
| M | 2025-12-05 | 2025-12-03+ | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.12 | +16.4K | 334.8K | +5% | +$84.0K |
| 2025-12-02 | 2025-12-02 | SELF | Klimoski Donald II | GC | P - Purchase | $5.05 | +446 | 86.5K | +0.5% | +$2,252 | |
| M | 2025-12-01 | 2025-11-28+ | SELF | 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 | 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 | 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 | 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 | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.14 | +11.8K | 109.4K | +12% | +$60.9K |
| 2025-11-17 | 2025-11-13 | SELF | Zachary William Chester | Dir | A - Grant | $5.03 | +2,584 | 15.3K | +20% | +$13.0K | |
| 2025-11-17 | 2025-11-13 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.03 | +248 | 35.3K | +0.7% | +$1,247 | |
| M | 2025-11-14 | 2025-11-13+ | SELF | 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 | 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 | 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 | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.39 | +12.7K | 71.1K | +22% | +$68.4K |
| 2025-08-26 | 2025-08-25 | SELF | BURKE RUSSELL E III | Dir | P - Purchase | $5.25 | +105 | 35.1K | +0.3% | +$551.25 | |
| M | 2025-08-26 | 2025-08-25+ | SELF | 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 | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.14 | +2,662 | 42.8K | +7% | +$13.7K |
| 2025-08-20 | 2025-08-19 | SELF | Zachary William Chester | Dir | A - Grant | $5.11 | +146 | 12.7K | +1% | +$746.06 | |
| 2025-08-20 | 2025-08-19 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.11 | +146 | 35.0K | +0.4% | +$746.06 | |
| 2025-06-18 | 2025-06-17 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.63 | +88 | 34.8K | +0.3% | +$495.44 | |
| 2025-06-18 | 2025-06-17 | SELF | Zachary William Chester | Dir | A - Grant | $5.63 | +88 | 12.5K | +0.7% | +$495.44 | |
| 2025-05-22 | 2025-05-21 | SELF | Carroll Sally Coonrad | Dir | P - Purchase | $5.63 | +1,776 | 3,776 | +89% | +$9,999 | |
| 2025-05-21 | 2025-05-20 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.70 | +87 | 34.8K | +0.3% | +$495.90 | |
| 2025-05-21 | 2025-05-20 | SELF | Zachary William Chester | Dir | A - Grant | $5.70 | +87 | 12.4K | +0.7% | +$495.90 | |
| 2025-05-20 | 2025-05-19 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.67 | +10.0K | 322.8K | +3% | +$56.7K | |
| M | 2025-05-19 | 2025-05-15+ | SELF | TUXIS CORP | See "Explanation of Responses" | P - Purchase | $5.21 | +19.3K | 294.2K | +7% | +$100.5K |
| 2025-04-01 | 2025-04-01 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.03 | +2,634 | 34.7K | +8% | +$13.2K | |
| 2025-04-01 | 2025-04-01 | SELF | Zachary William Chester | Dir | A - Grant | $5.03 | +2,634 | 12.4K | +27% | +$13.2K | |
| M | 2025-03-26 | 2025-03-25 | SELF | Klimoski Donald II | GC | A - Grant | $4.70 | +11.1K | 80.5K | +16% | +$52.0K |
| M | 2025-03-26 | 2025-03-25 | SELF | OMalley Thomas | CFO | A - Grant | $4.70 | +11.1K | 80.6K | +16% | +$52.0K |
| 2025-03-26 | 2025-03-25 | SELF | Kamerman Russell | Assistant GC | A - Grant | $5.08 | +500 | 5,425 | +10% | +$2,540 | |
| M | 2025-03-26 | 2025-03-25 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $4.70 | +25.3K | 300.2K | +9% | +$119.1K |
| 2024-11-22 | 2024-11-21 | SELF | BURKE RUSSELL E III | Dir | P - Purchase | $5.26 | +168 | 32.0K | +0.5% | +$883.68 | |
| 2024-11-20 | 2024-11-19 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.15 | +2,427 | 31.9K | +8% | +$12.5K | |
| 2024-11-20 | 2024-11-19 | SELF | Zachary William Chester | Dir | A - Grant | $5.15 | +2,427 | 9,728 | +33% | +$12.5K | |
| M | 2024-08-30 | 2024-08-29+ | SELF | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $5.22 | +2,636 | 40.2K | +7% | +$13.7K |
| 2024-08-30 | 2024-08-29 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $5.08 | +246 | 29.4K | +0.8% | +$1,250 | |
| 2024-08-30 | 2024-08-29 | SELF | Zachary William Chester | Dir | A - Grant | $5.08 | +246 | 7,301 | +3% | +$1,250 | |
| M | 2024-08-27 | 2024-08-26+ | SELF | 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 | 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 | 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 | 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 | WINMILL & CO. INC | See "Explanation of Responses" | P - Purchase | $4.97 | +4,200 | 6,987 | +151% | +$20.9K |
| 2024-06-03 | 2024-05-30 | SELF | Zachary William Chester | Dir | A - Grant | $4.98 | +200 | 7,055 | +3% | +$996.00 | |
| 2024-06-03 | 2024-05-30 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $4.98 | +200 | 29.2K | +0.7% | +$996.00 | |
| 2024-05-31 | 2024-05-30 | SELF | BURKE RUSSELL E III | Dir | P - Purchase | $4.98 | +203 | 29.0K | +0.7% | +$1,011 | |
| M | 2024-05-30 | 2024-05-28+ | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $4.96 | +22.9K | 267.0K | +9% | +$113.6K |
| M | 2024-05-24 | 2024-05-24 | SELF | Klimoski Donald II | GC | P - Purchase | $4.91 | +539 | 74.5K | +0.7% | +$2,646 |
| 2024-04-03 | 2024-04-02 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $4.33 | +3,002 | 28.8K | +12% | +$13.0K | |
| 2024-04-03 | 2024-04-02 | SELF | Zachary William Chester | Dir | A - Grant | $4.33 | +3,002 | 6,855 | +78% | +$13.0K | |
| M | 2024-03-26 | 2024-03-25 | SELF | OMalley Thomas | CFO | A - Grant | $4.32 | +23.5K | 53.2K | +79% | +$101.4K |
| 2024-03-26 | 2024-03-25 | SELF | Kamerman Russell | Assistant GC | A - Grant | $4.32 | +500 | 4,925 | +11% | +$2,160 | |
| M | 2024-03-26 | 2024-03-25 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $4.32 | +54.2K | 226.5K | +31% | +$234.1K |
| M | 2024-03-26 | 2024-03-25 | SELF | Klimoski Donald II | GC | A - Grant | $4.32 | +23.5K | 74.5K | +46% | +$101.4K |
| M | 2023-12-01 | 2023-11-29+ | SELF | TUXIS CORP | See "Explanation of Responses" | S - Sale | $4.60 | -15.0K | 292.0K | -5% | -$69.0K |
| 2023-11-24 | 2023-11-21 | SELF | Zachary William Chester | Dir | A - Grant | $4.71 | +2,494 | 3,853 | +184% | +$11.7K | |
| 2023-11-24 | 2023-11-21 | SELF | BURKE RUSSELL E III | Dir | A - Grant | $4.71 | +2,494 | 25.8K | +11% | +$11.7K | |
| 2023-11-17 | 2023-11-17 | SELF | Klimoski Donald II | GC | P - Purchase | $4.80 | +1,000 | 51.0K | +2% | +$4,800 | |
| M | 2023-11-17 | 2023-11-16 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $4.83 | +7,200 | 206.4K | +4% | +$34.8K |
| 2023-08-18 | 2023-08-17 | SELF | Carroll Sally Coonrad | Dir | P - Purchase | $5.07 | +2,000 | 2,000 | New | +$10.1K | |
| 2023-08-18 | 2023-08-17 | SELF | 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 | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.12 | +7,800 | 197.6K | +4% | +$39.9K |
| M | 2023-05-15 | 2023-05-12+ | SELF | Klimoski Donald II | GC | P - Purchase | $5.08 | +560 | 50.0K | +1% | +$2,845 |
| M | 2023-03-29 | 2023-03-27 | SELF | Klimoski Donald II | GC | A - Grant | $5.17 | +6,440 | 48.5K | +15% | +$33.3K |
| M | 2023-03-29 | 2023-03-27 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $5.17 | +14.8K | 194.4K | +8% | +$76.3K |
| M | 2023-03-29 | 2023-03-27 | SELF | OMalley Thomas | CFO | A - Grant | $5.17 | +6,440 | 45.2K | +17% | +$33.3K |
| 2023-03-29 | 2023-03-27 | SELF | Kamerman Russell | Assistant GC | A - Grant | $5.11 | +500 | 4,425 | +13% | +$2,555 | |
| M | 2022-11-29 | 2022-11-28 | SELF | LANGA GEORGE B | Dir | P - Purchase | $5.11 | +1,975 | 2,168 | +1,023% | +$10.1K |
| M | 2022-11-21 | 2022-11-18 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $5.18 | +3,000 | 179.6K | +2% | +$15.5K |
| M | 2022-11-17 | 2022-11-16+ | SELF | Klimoski Donald II | GC | P - Purchase | $5.25 | +148 | 43.0K | +0.3% | +$777 |
| M | 2022-08-24 | 2022-08-23 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | P - Purchase | $6.07 | +4,800 | 176.0K | +3% | +$29.1K |
| 2022-05-23 | 2022-05-20 | SELF | 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 | Kamerman Russell | Assistant GC | A - Grant | $5.52 | +500 | 3,925 | +15% | +$2,760 | |
| 2022-03-29 | 2022-03-28 | SELF | WINMILL MARK CAMPBELL | Pres, CEO, Dir | A - Grant | $5.52 | +8,025 | 170.1K | +5% | +$44.3K | |
| 2022-03-29 | 2022-03-28 | SELF | Klimoski Donald II | GC | A - Grant | $5.52 | +3,500 | 42.9K | +9% | +$19.3K | |
| 2022-03-29 | 2022-03-28 | SELF | OMalley Thomas | CFO | A - Grant | $5.52 | +3,500 | 39.7K | +10% | +$19.3K | |
| 2021-08-31 | 2021-08-30 | SELF | BURKE RUSSELL E III | Dir | P - Purchase | $5.30 | +1,800 | 23.3K | +8% | +$9,540 | |
| 2021-08-25 | 2021-08-24 | SELF | 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 | 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