
Director, President and CEO · Global Self Storage, Inc. · Common Stock
Open-market purchase
$258 reported value · 0.0% of prior position
Disclosed 1 business day after execution (deadline: 2)
2 prior trades recorded in this security
No clustered activity in the dataset
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
| Score | Actor | Security | Side | Value | Disclosed | Evidence |
|---|---|---|---|---|---|---|
| 34 | Winmill Mark CampbellDirector, President and CEO | Open-market purchase | BUY | $11K 2,058 sh | Sep 11, 2026 traded Sep 9, 2026 | |
| 25 | Winmill Mark CampbellDirector, President and CEO | Open-market purchase | BUY | $1,507 292 sh | Sep 11, 2026 traded Sep 10, 2026 | |
| 34 | Winmill Mark CampbellDirector, President and CEO | Open-market purchase | BUY | $8,256 1,600 sh | Sep 11, 2026 traded Sep 9, 2026 | |
| 29 | Winmill & Co. IncSee "Explanation of Responses" | Open-market purchase | BUY | $43K 7,547 sh | Aug 26, 2026 traded Aug 25, 2026 | |
| 30 | Winmill & Co. IncSee "Explanation of Responses" | Open-market purchase | BUY | $44K 7,761 sh | Aug 26, 2026 traded Aug 26, 2026 | |
| 9 | Burke Russell E IiiDirector | Grant or award | A | $1,000 196 sh | Aug 13, 2026 traded Aug 11, 2026 | |
| 9 | Zachary William ChesterDirector | Grant or award | A | $1,000 196 sh | Aug 13, 2026 traded Aug 11, 2026 | |
| 13 | Klimoski Donald IIGeneral Counsel | Grant or award | A | $28K 5,527 sh | Mar 25, 2026 traded Mar 24, 2026 | |
| 13 | Klimoski Donald IIGeneral Counsel | Grant or award | A | $28K 5,527 sh | Mar 25, 2026 traded Mar 24, 2026 | |
| 13 | Kamerman RussellAssistant General Counsel | Grant or award | A | $2,550 500 sh | Mar 25, 2026 traded Mar 24, 2026 |
Read directly from the primary public document; every field below is as reported by the filer.
Value = shares × reported price per share
= $258
Winmill Mark Campbell filed this Form 4 reporting a open-market purchase of SELF on Sep 10, 2026. It became public on Sep 11, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
No field has changed since this record was first ingested.
No material filings recorded for this issuer.