SELF · Global Self Storage Inc. Common Stock
View on chartInsiders & Stakes
| WINMILL MARK CAMPBELL President and CEO | ▲ Buy | Open Market | 368,582 Shares held | 5/14/2026 | View profile |
| TUXIS CORP | ▲ Buy | Open Market | 303,758 Shares held | 5/16/2025 | View profile |
| WINMILL & CO. INC | ▲ Buy | Open Market | 198,065 Shares held | 8/20/2026 | View profile |
| Klimoski Donald II General Counsel | ▲ Buy | Grant | 97,554 Shares held | 3/24/2026 | View profile |
| OMalley Thomas Chief Financial Officer | ▲ Buy | Grant | 91,694 Shares held | 3/24/2026 | View profile |
| BURKE RUSSELL E III Director | ▲ Buy | Open Market | 40,002 Shares held | 8/13/2026 | View profile |
| Zachary William Chester Director | ▲ Buy | Grant | 18,296 Shares held | 8/11/2026 | View profile |
| Kamerman Russell Assistant General Counsel | ▲ Buy | Grant | 5,925 Shares held | 3/24/2026 | View profile |
| Carroll Sally Coonrad Director | ▲ Buy | Open Market | 3,776 Shares held | 5/21/2025 | View profile |
| LANGA GEORGE B Director | ▲ Buy | Open Market | 3,547 Shares held | 11/28/2022 | View profile |
Transaction History
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,901 | $37K | 8/20/2026 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,877 | $37K | 8/19/2026 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 5,736 | $31K | 8/18/2026 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 7,117 | $38K | 8/17/2026 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,029 | $32K | 8/14/2026 |
| BURKE RUSSELL E III | ▲ Buy | Open Market | 1,625 | $8K | 8/13/2026 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 5,629 | $29K | 8/13/2026 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,248 | $32K | 8/12/2026 |
| Zachary William Chester | ▲ Buy | Grant | 196 | $1000 | 8/11/2026 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 196 | $1000 | 8/11/2026 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 5,887 | $30K | 8/11/2026 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 4,000 | $21K | 5/14/2026 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 94 | $499 | 5/12/2026 |
| Zachary William Chester | ▲ Buy | Grant | 94 | $499 | 5/12/2026 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 2,739 | $14K | 3/31/2026 |
| Zachary William Chester | ▲ Buy | Grant | 2,739 | $14K | 3/31/2026 |
| Kamerman Russell | ▲ Buy | Grant | 500 | $3K | 3/24/2026 |
| Klimoski Donald II | ▲ Buy | Grant | 5,527 | $28K | 3/24/2026 |
| Klimoski Donald II | ▲ Buy | Grant | 5,527 | $28K | 3/24/2026 |
| OMalley Thomas | ▲ Buy | Grant | 5,527 | $28K | 3/24/2026 |
| OMalley Thomas | ▲ Buy | Grant | 5,527 | $28K | 3/24/2026 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 12,672 | $64K | 3/24/2026 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 12,672 | $65K | 3/24/2026 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 800 | $4K | 12/5/2025 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 3,600 | $18K | 12/5/2025 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 6,000 | $31K | 12/4/2025 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 6,000 | $31K | 12/3/2025 |
| Klimoski Donald II | ▲ Buy | Open Market | 446 | $2K | 12/2/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 3,062 | $16K | 12/1/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 3,342 | $17K | 11/28/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 4,873 | $25K | 11/26/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 4,547 | $24K | 11/25/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 4,064 | $21K | 11/24/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,226 | $32K | 11/21/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 5,870 | $30K | 11/20/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,226 | $32K | 11/19/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 5,618 | $29K | 11/18/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,226 | $32K | 11/17/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 7,035 | $36K | 11/14/2025 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 248 | $1K | 11/13/2025 |
| Zachary William Chester | ▲ Buy | Grant | 2,584 | $13K | 11/13/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,694 | $34K | 11/13/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,055 | $30K | 11/12/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 2,069 | $10K | 11/11/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 4,592 | $25K | 8/29/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 7,209 | $39K | 8/28/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 5,477 | $29K | 8/27/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 7,788 | $41K | 8/26/2025 |
| BURKE RUSSELL E III | ▲ Buy | Open Market | 105 | $551 | 8/25/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 7,823 | $41K | 8/25/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 2,160 | $11K | 8/22/2025 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 502 | $3K | 8/21/2025 |
| Zachary William Chester | ▲ Buy | Grant | 146 | $746 | 8/19/2025 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 146 | $746 | 8/19/2025 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 88 | $495 | 6/17/2025 |
| Zachary William Chester | ▲ Buy | Grant | 88 | $495 | 6/17/2025 |
| Carroll Sally Coonrad | ▲ Buy | Open Market | 1,776 | $10K | 5/21/2025 |
| Zachary William Chester | ▲ Buy | Grant | 87 | $496 | 5/20/2025 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 87 | $496 | 5/20/2025 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 10,000 | $57K | 5/19/2025 |
| TUXIS CORP | ▲ Buy | Open Market | 9,600 | $50K | 5/16/2025 |
| TUXIS CORP | ▲ Buy | Open Market | 9,680 | $50K | 5/15/2025 |
| Zachary William Chester | ▲ Buy | Grant | 2,634 | $13K | 4/1/2025 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 2,634 | $13K | 4/1/2025 |
| Kamerman Russell | ▲ Buy | Grant | 500 | $3K | 3/25/2025 |
| OMalley Thomas | ▲ Buy | Grant | 5,527 | $28K | 3/25/2025 |
| OMalley Thomas | ▲ Buy | Grant | 5,527 | $24K | 3/25/2025 |
| Klimoski Donald II | ▲ Buy | Grant | 5,527 | $28K | 3/25/2025 |
| Klimoski Donald II | ▲ Buy | Grant | 5,527 | $24K | 3/25/2025 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 12,672 | $64K | 3/25/2025 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 12,672 | $55K | 3/25/2025 |
| BURKE RUSSELL E III | ▲ Buy | Open Market | 168 | $883 | 11/21/2024 |
| Zachary William Chester | ▲ Buy | Grant | 2,427 | $12K | 11/19/2024 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 2,427 | $12K | 11/19/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 1,836 | $10K | 8/30/2024 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 246 | $1K | 8/29/2024 |
| Zachary William Chester | ▲ Buy | Grant | 246 | $1K | 8/29/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 800 | $4K | 8/29/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 2,966 | $15K | 8/27/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 133 | $692 | 8/27/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 1,632 | $8K | 8/26/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 1,744 | $9K | 8/23/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 6,962 | $36K | 8/22/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 2,524 | $13K | 8/21/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 4,803 | $24K | 8/20/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 4,195 | $21K | 8/19/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 3,301 | $17K | 8/16/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 2,300 | $11K | 8/15/2024 |
| WINMILL & CO. INC | ▲ Buy | Open Market | 1,900 | $9K | 8/14/2024 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 200 | $996 | 5/30/2024 |
| Zachary William Chester | ▲ Buy | Grant | 200 | $996 | 5/30/2024 |
| BURKE RUSSELL E III | ▲ Buy | Open Market | 203 | $1K | 5/30/2024 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 20,000 | $99K | 5/30/2024 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 2,400 | $12K | 5/28/2024 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 24 | $118 | 5/28/2024 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 375 | $2K | 5/28/2024 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 100 | $490 | 5/28/2024 |
| Klimoski Donald II | ▲ Buy | Open Market | 10 | $49 | 5/24/2024 |
| Klimoski Donald II | ▲ Buy | Open Market | 529 | $3K | 5/24/2024 |
| Zachary William Chester | ▲ Buy | Grant | 3,002 | $13K | 4/2/2024 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 3,002 | $13K | 4/2/2024 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 12,672 | $55K | 3/25/2024 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 3,467 | $15K | 3/25/2024 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 38,054 | $164K | 3/25/2024 |
| OMalley Thomas | ▲ Buy | Grant | 5,527 | $24K | 3/25/2024 |
| OMalley Thomas | ▲ Buy | Grant | 1,512 | $7K | 3/25/2024 |
| OMalley Thomas | ▲ Buy | Grant | 16,422 | $71K | 3/25/2024 |
| Kamerman Russell | ▲ Buy | Grant | 500 | $2K | 3/25/2024 |
| Klimoski Donald II | ▲ Buy | Grant | 5,527 | $24K | 3/25/2024 |
| Klimoski Donald II | ▲ Buy | Grant | 1,512 | $7K | 3/25/2024 |
| Klimoski Donald II | ▲ Buy | Grant | 16,422 | $71K | 3/25/2024 |
| TUXIS CORP | ▼ Sell | Open Market | 7,500 | $34K | 11/30/2023 |
| TUXIS CORP | ▼ Sell | Open Market | 7,500 | $35K | 11/29/2023 |
| Zachary William Chester | ▲ Buy | Grant | 2,494 | $12K | 11/21/2023 |
| BURKE RUSSELL E III | ▲ Buy | Grant | 2,494 | $12K | 11/21/2023 |
| Klimoski Donald II | ▲ Buy | Open Market | 1,000 | $5K | 11/17/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,200 | $6K | 11/16/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 489 | $2K | 11/16/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,511 | $7K | 11/16/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 2,000 | $10K | 11/16/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,000 | $5K | 11/16/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,000 | $5K | 11/16/2023 |
| Carroll Sally Coonrad | ▲ Buy | Open Market | 2,000 | $10K | 8/17/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,000 | $5K | 8/17/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,500 | $8K | 5/15/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 745 | $4K | 5/15/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 100 | $513 | 5/15/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 655 | $3K | 5/15/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 200 | $1K | 5/15/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,300 | $7K | 5/15/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,500 | $8K | 5/15/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,800 | $9K | 5/15/2023 |
| Klimoski Donald II | ▲ Buy | Open Market | 460 | $2K | 5/15/2023 |
| Klimoski Donald II | ▲ Buy | Open Market | 100 | $508 | 5/12/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 12,672 | $65K | 3/27/2023 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 2,093 | $12K | 3/27/2023 |
| OMalley Thomas | ▲ Buy | Grant | 5,527 | $28K | 3/27/2023 |
| OMalley Thomas | ▲ Buy | Grant | 913 | $5K | 3/27/2023 |
| Klimoski Donald II | ▲ Buy | Grant | 5,527 | $28K | 3/27/2023 |
| Klimoski Donald II | ▲ Buy | Grant | 913 | $5K | 3/27/2023 |
| Kamerman Russell | ▲ Buy | Grant | 500 | $3K | 3/27/2023 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $511 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 200 | $1K | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $512 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $512 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 96 | $492 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $512 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 400 | $2K | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $512 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $511 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $511 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $511 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 147 | $748 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 32 | $164 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $512 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $511 | 11/28/2022 |
| LANGA GEORGE B | ▲ Buy | Open Market | 100 | $511 | 11/28/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 100 | $517 | 11/18/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 900 | $5K | 11/18/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,100 | $6K | 11/18/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 900 | $5K | 11/18/2022 |
| Klimoski Donald II | ▲ Buy | Open Market | 113 | $593 | 11/17/2022 |
| Klimoski Donald II | ▲ Buy | Open Market | 24 | $126 | 11/17/2022 |
| Klimoski Donald II | ▲ Buy | Open Market | 11 | $58 | 11/16/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,400 | $8K | 8/23/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,400 | $8K | 8/23/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,400 | $8K | 8/23/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 600 | $4K | 8/23/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,700 | $10K | 5/20/2022 |
| WINMILL MARK CAMPBELL | ▲ Buy | Grant | 8,025 | $44K | 3/28/2022 |
| Kamerman Russell | ▲ Buy | Grant | 500 | $3K | 3/28/2022 |
| OMalley Thomas | ▲ Buy | Grant | 3,500 | $19K | 3/28/2022 |
| Klimoski Donald II | ▲ Buy | Grant | 3,500 | $19K | 3/28/2022 |
| BURKE RUSSELL E III | ▲ Buy | Open Market | 1,800 | $10K | 8/30/2021 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,000 | $5K | 8/24/2021 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,000 | $5K | 8/20/2021 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,000 | $5K | 8/20/2021 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,000 | $5K | 8/20/2021 |
| WINMILL MARK CAMPBELL | ▲ Buy | Open Market | 1,000 | $5K | 8/20/2021 |