SELF · Global Self Storage, Inc.
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-05-14 | WINMILL MARK CAMPBELL |
Director, President and CEO |
Buy↑
|
Common Stock
|
4,000 |
| 2026-05-12 | BURKE RUSSELL E III |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
94 |
| 2026-05-12 | Zachary William Chester |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
94 |
| 2026-03-31 | Zachary William Chester |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
2,739 |
| 2026-03-31 | BURKE RUSSELL E III |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
2,739 |
| 2026-03-24 | OMalley Thomas |
Chief Financial Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Shares earned based on achieving certain 2025 performance targets. The shares will vest 6.25% quarterly retroactively from 2025 over a four year period. The Reporting Person has voting and dividend rights on all of these shares, including unvested shares. |
Common Stock
|
5,527 |
| 2026-03-24 | Kamerman Russell |
Assistant General Counsel |
Award↑
Filing footnotes — Common Stock (Direct)
The shares will vest 6.25% quarterly beginning in 2026 over a four year period. The Reporting Person has voting and dividend rights on all of these shares, including unvested shares |
Common Stock
|
500 |
| 2026-03-24 | Klimoski Donald II |
Assistant General Counsel |
Award↑
Filing footnotes — Common Stock (Direct)
Shares earned based on achieving certain 2025 performance targets. The shares will vest 6.25% quarterly retroactively from 2025 over a four year period. The Reporting Person has voting and dividend rights on all of these shares, including unvested shares. |
Common Stock
|
5,527 |
| 2026-03-24 | OMalley Thomas |
Chief Financial Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Shares will be earned based upon achieving certain 2026 performance targets, then will vest 6.25% quarterly retroactively from 2026 over a four year period. The Reporting Person has dividend and voting rights on all of these shares, including unvested shares. |
Common Stock
|
5,527 |
| 2026-03-24 | WINMILL MARK CAMPBELL |
Director, President and CEO |
Award↑
Filing footnotes — Common Stock (Direct)
Shares will be earned based upon achieving certain 2026 performance targets, then will vest 6.25% quarterly retroactively from 2026 over a four year period. The Reporting Person has dividend and voting rights on all of these shares, including unvested shares. |
Common Stock
|
12,672 |
| 2026-03-24 | WINMILL MARK CAMPBELL |
Director, President and CEO |
Award↑
Filing footnotes — Common Stock (Direct)
Shares earned based on achieving certain 2025 performance targets. The shares will vest 6.25% quarterly retroactively from 2025 over a four year period. The Reporting Person has voting and dividend rights on all of these shares, including unvested shares. |
Common Stock
|
12,672 |
| 2026-03-24 | Klimoski Donald II |
Assistant General Counsel |
Award↑
Filing footnotes — Common Stock (Direct)
Shares will be earned based upon achieving certain 2026 performance targets, then will vest 6.25% quarterly retroactively from 2026 over a four year period. The Reporting Person has dividend and voting rights on all of these shares, including unvested shares. |
Common Stock
|
5,527 |
| 2025-12-05 | WINMILL MARK CAMPBELL |
Director, President and CEO |
Buy↑
|
Common Stock
|
800 |
| 2025-12-05 | WINMILL MARK CAMPBELL |
Director, President and CEO |
Buy↑
|
Common Stock
|
3,600 |
| 2025-12-04 | WINMILL MARK CAMPBELL |
Director, President and CEO |
Buy↑
|
Common Stock
|
6,000 |
| 2025-12-03 | WINMILL MARK CAMPBELL |
Director, President and CEO |
Buy↑
|
Common Stock
|
6,000 |
| 2025-12-02 | Klimoski Donald II |
Assistant General Counsel |
Buy↑
|
Common Stock
|
446 |
| 2025-12-01 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
3,062 |
| 2025-11-28 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
3,342 |
| 2025-11-26 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
4,873 |
| 2025-11-25 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
4,547 |
| 2025-11-24 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
4,064 |
| 2025-11-21 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
6,226 |
| 2025-11-20 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
5,870 |
| 2025-11-19 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
6,226 |
| 2025-11-18 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
5,618 |
| 2025-11-17 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
6,226 |
| 2025-11-14 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
7,035 |
| 2025-11-13 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
6,694 |
| 2025-11-13 | BURKE RUSSELL E III |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
248 |
| 2025-11-13 | Zachary William Chester |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
2,584 |
| 2025-11-12 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
6,055 |
| 2025-11-11 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
2,069 |
| 2025-08-29 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
4,592 |
| 2025-08-28 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
7,209 |
| 2025-08-27 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
5,477 |
| 2025-08-26 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
7,788 |
| 2025-08-25 | BURKE RUSSELL E III |
Director |
Buy↑
|
Common Stock
|
105 |
| 2025-08-25 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
7,823 |
| 2025-08-22 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
2,160 |
| 2025-08-21 | WINMILL & CO. INC |
Insider |
Buy↑
|
Common Stock
|
502 |
| 2025-08-19 | Zachary William Chester |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
146 |
| 2025-08-19 | BURKE RUSSELL E III |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
146 |
| 2025-06-17 | Zachary William Chester |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
88 |
| 2025-06-17 | BURKE RUSSELL E III |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
88 |
| 2025-05-21 | Carroll Sally Coonrad |
Director |
Buy↑
|
Common Stock
|
1,776 |
| 2025-05-20 | BURKE RUSSELL E III |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
87 |
| 2025-05-20 | Zachary William Chester |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Shares are compensation for director fees in lieu of cash and are fully vested. The Reporting Person has dividend and voting rights on all these shares. |
Common Stock
|
87 |
| 2025-05-19 | WINMILL MARK CAMPBELL |
Director, President and CEO |
Buy↑
|
Common Stock
|
10,000 |
| 2025-05-16 | TUXIS CORP |
Insider |
Buy↑
|
Common Stock
|
9,600 |