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Are Global Self Storage Insiders Buying or Selling?
Global Self Storage (SELF) has had 17 insider transactions in the past 90 days, all buys — insider buying is generally read as a bullish signal. The most recent was WINMILL MARK CAMPBELL, who bought 292 shares at $5.16 on September 10, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the SELF AI Score. For government officials trading this stock, see SELF congressional trading.
Who’s Trading Global Self Storage Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| WINMILL & CO. INC | Bought $990,000 | 33 | Aug 26, 2026 |
| WINMILL MARK CAMPBELL | Bought $150,000 | 9 | Sep 10, 2026 |
| CORP TUXIS | Bought $100,000 | 2 | May 16, 2025 |
| Carroll Sally Coonrad | Bought $10,000 | 1 | May 21, 2025 |
| BURKE RUSSELL E III | Bought $9,900 | 3 | Aug 13, 2026 |
| Klimoski Donald II | Bought $2,300 | 1 | Dec 2, 2025 |
Recent Global Self Storage Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| WINMILL MARK CAMPBELL | Sep 10, 2026 | Buy | 292 | $5.16 | $1,500 |
| WINMILL MARK CAMPBELL | Sep 10, 2026 | Buy | 50 | $5.16 | $260 |
| WINMILL MARK CAMPBELL | Sep 9, 2026 | Buy | 2,058 | $5.16 | $11,000 |
| WINMILL MARK CAMPBELL | Sep 9, 2026 | Buy | 1,600 | $5.16 | $8,300 |
| WINMILL & CO. INC | Aug 26, 2026 | Buy | 7,761 | $5.64 | $44,000 |
| WINMILL & CO. INC | Aug 25, 2026 | Buy | 7,547 | $5.66 | $43,000 |
| WINMILL & CO. INC | Aug 24, 2026 | Buy | 8,022 | $5.62 | $45,000 |
| WINMILL & CO. INC | Aug 21, 2026 | Buy | 7,117 | $5.45 | $39,000 |
| WINMILL & CO. INC | Aug 20, 2026 | Buy | 6,901 | $5.42 | $37,000 |
| WINMILL & CO. INC | Aug 19, 2026 | Buy | 6,877 | $5.4 | $37,000 |
| WINMILL & CO. INC | Aug 18, 2026 | Buy | 5,736 | $5.32 | $31,000 |
| WINMILL & CO. INC | Aug 17, 2026 | Buy | 7,117 | $5.33 | $38,000 |
| WINMILL & CO. INC | Aug 14, 2026 | Buy | 6,029 | $5.23 | $32,000 |
| BURKE RUSSELL E III | Aug 13, 2026 | Buy | 1,625 | $5.21 | $8,500 |
| WINMILL & CO. INC | Aug 13, 2026 | Buy | 5,629 | $5.2 | $29,000 |
| WINMILL & CO. INC | Aug 12, 2026 | Buy | 6,248 | $5.15 | $32,000 |
| WINMILL & CO. INC | Aug 11, 2026 | Buy | 5,887 | $5.17 | $30,000 |
| WINMILL MARK CAMPBELL | May 14, 2026 | Buy | 4,000 | $5.33 | $21,000 |
| WINMILL MARK CAMPBELL | Dec 5, 2025 | Buy | 3,600 | $5.09 | $18,000 |
| WINMILL MARK CAMPBELL | Dec 5, 2025 | Buy | 800 | $5.05 | $4,000 |
| WINMILL MARK CAMPBELL | Dec 4, 2025 | Buy | 6,000 | $5.14 | $31,000 |
| Klimoski Donald II | Dec 2, 2025 | Buy | 446 | $5.05 | $2,300 |
| WINMILL & CO. INC | Dec 1, 2025 | Buy | 3,062 | $5.18 | $16,000 |
| WINMILL & CO. INC | Nov 28, 2025 | Buy | 3,342 | $5.16 | $17,000 |
| WINMILL & CO. INC | Nov 26, 2025 | Buy | 4,873 | $5.17 | $25,000 |
| WINMILL & CO. INC | Nov 25, 2025 | Buy | 4,547 | $5.18 | $24,000 |
| WINMILL & CO. INC | Nov 24, 2025 | Buy | 4,064 | $5.14 | $21,000 |
| WINMILL & CO. INC | Nov 21, 2025 | Buy | 6,226 | $5.09 | $32,000 |
| WINMILL & CO. INC | Nov 20, 2025 | Buy | 5,870 | $5.08 | $30,000 |
| WINMILL & CO. INC | Nov 19, 2025 | Buy | 6,226 | $5.13 | $32,000 |
| WINMILL & CO. INC | Nov 18, 2025 | Buy | 5,618 | $5.16 | $29,000 |
| WINMILL & CO. INC | Nov 17, 2025 | Buy | 6,226 | $5.12 | $32,000 |
| WINMILL & CO. INC | Nov 14, 2025 | Buy | 7,035 | $5.09 | $36,000 |
| WINMILL & CO. INC | Nov 13, 2025 | Buy | 6,694 | $5.03 | $34,000 |
| WINMILL & CO. INC | Nov 12, 2025 | Buy | 6,055 | $5.03 | $30,000 |
| WINMILL & CO. INC | Nov 11, 2025 | Buy | 2,069 | $4.97 | $10,000 |
| WINMILL & CO. INC | Aug 29, 2025 | Buy | 4,592 | $5.48 | $25,000 |
| WINMILL & CO. INC | Aug 28, 2025 | Buy | 7,209 | $5.42 | $39,000 |
| WINMILL & CO. INC | Aug 27, 2025 | Buy | 5,477 | $5.36 | $29,000 |
| WINMILL & CO. INC | Aug 26, 2025 | Buy | 7,788 | $5.26 | $41,000 |
| WINMILL & CO. INC | Aug 25, 2025 | Buy | 7,823 | $5.22 | $41,000 |
| BURKE RUSSELL E III | Aug 25, 2025 | Buy | 105 | $5.25 | $550 |
| WINMILL & CO. INC | Aug 22, 2025 | Buy | 2,160 | $5.15 | $11,000 |
| WINMILL & CO. INC | Aug 21, 2025 | Buy | 502 | $5.12 | $2,600 |
| Carroll Sally Coonrad | May 21, 2025 | Buy | 1,776 | $5.63 | $10,000 |
| WINMILL MARK CAMPBELL | May 19, 2025 | Buy | 10,000 | $5.67 | $57,000 |
| CORP TUXIS | May 16, 2025 | Buy | 9,600 | $5.22 | $50,000 |
| CORP TUXIS | May 15, 2025 | Buy | 9,680 | $5.21 | $50,000 |
| BURKE RUSSELL E III | Nov 21, 2024 | Buy | 168 | $5.26 | $880 |
Frequently Asked Questions: Global Self Storage Insider Trading
In the past 90 days, Global Self Storage insiders have made 17 buys and 0 sells. The net buying may indicate insider confidence in the company’s outlook.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
WINMILL & CO. INC has bought the most SELF stock in the last 2 years, with a total value of $990,000.
According to our estimates, the total value of insider transactions for Global Self Storage in the last 2 years is positive, amounting to $1.3M. This indicates that insiders have predominantly bought shares, showcasing their confidence in the company's future prospects.
