SELF insider trading — Global Self Storage, Inc.
Over the last 90 days, insiders at Global Self Storage, Inc. (SELF) made 15 open-market purchases worth $466K and 0 open-market sales worth $0, making them net buyers by $466K. The largest purchase was by Winmill & Co. Inc (-), who bought 8,022 shares for $45K on Aug 24, 2026. 3 different insiders bought shares in this period — a cluster buy, which many investors watch closely.
Updated Oct 16, 2026.
Recent SELF insider transactions
Every Form 4 filed by Global Self Storage, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | Winmill Mark Campbell | President and CEO | P · Purchase | Direct | 342 | $5.16 | $2K | Form 4 |
| Sep 9, 2026 | Winmill Mark Campbell | President and CEO | P · Purchase | Direct | 3,658 | $5.16 | $19K | Form 4 |
| Aug 26, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 7,761 | $5.64 | $44K | Form 4 |
| Aug 25, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 7,547 | $5.66 | $43K | Form 4 |
| Aug 24, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 8,022 | $5.62 | $45K | Form 4 |
| Aug 21, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 7,117 | $5.45 | $39K | Form 4 |
| Aug 20, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 6,901 | $5.42 | $37K | Form 4 |
| Aug 19, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 6,877 | $5.40 | $37K | Form 4 |
| Aug 18, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 5,736 | $5.32 | $31K | Form 4 |
| Aug 17, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 7,117 | $5.33 | $38K | Form 4 |
| Aug 13, 2026 | Burke Russell E Iii | Director | P · Purchase | Direct | 1,625 | $5.21 | $8K | Form 4 |
| Aug 14, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 6,029 | $5.23 | $32K | Form 4 |
| Aug 13, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 5,629 | $5.20 | $29K | Form 4 |
| Aug 11, 2026 | Zachary William Chester | Director | A · Grant/award | Direct | 196 | $5.10 | $1,000 | Form 4 |
| Aug 11, 2026 | Burke Russell E Iii | Director | A · Grant/award | Direct | 196 | $5.10 | $1,000 | Form 4 |
| Aug 12, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 6,248 | $5.15 | $32K | Form 4 |
| Aug 11, 2026 | Winmill & Co. Inc | - | P · Purchase | Direct | 5,887 | $5.17 | $30K | Form 4 |
SELF insider trading FAQ
Are insiders buying SELF stock?
Yes. In the last 90 days, Global Self Storage, Inc. insiders made 15 open-market purchases totaling $466K, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading SELF?
Recent buyers: Burke Russell E Iii, Winmill & Co. Inc, Winmill Mark Campbell.
Where does SELF insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.