| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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President And CEO
1 company
Winmill Mark Campbell is a President And CEO at SELF. Recent filings cover 70 purchases and 0 sales. Those positions are worth an estimated $1.9M at current prices.
Our model assigns Winmill Mark Campbell a middling insider score of 64/100, based on 14 past trades. Over a 12-month horizon, 54.5% of those trades were profitable, with an average 12-month return of +5.0%.
Winmill Mark Campbell's largest disclosed position is in SELF as President And CEO, worth about $1.9M. Net of sales, the recent Form 4 record there shows accumulation of 124,968 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | SELF Global Self Storage, Inc. | President And CEO | Buy | 4,000 | $5.16 | $20,640.00 | +1.1% | - | - | |
| May 14, 2026 | SELF Global Self Storage, Inc. | President And CEO | Buy | 4,000 | $5.33 | $21,320.00 | +1.1% | -2.8% | - | |
| Dec 5, 2025 | SELF Global Self Storage, Inc. | President And CEO | Buy | 16,400 | $5.12 | $83,983.40 | +5.1% | +2.8% | - | |
| May 19, 2025 | SELF Global Self Storage, Inc. | President And CEO | Buy | 10,000 | $5.67 | $56,700.00 | +3.2% | -10.4% | -6.5% | |
| May 30, 2024 | SELF Global Self Storage, Inc. | President And CEO | Buy | 22,899 | $4.96 | $113,582.85 | +8.7% | +4.6% | +15.7% | |
| Nov 16, 2023 | SELF Global Self Storage, Inc. | President And CEO | Buy | 7,200 | $4.83 | $34,787.72 | +3.5% | -10.4% | +7.1% | |
| Aug 17, 2023 | SELF Global Self Storage, Inc. | President And CEO | Buy | 1,000 | $5.07 | $5,070.00 | +0.5% | -4.5% | 0.0% | |
| May 15, 2023 | SELF Global Self Storage, Inc. | President And CEO | Buy | 7,800 | $5.12 | $39,937.87 | +4.0% | -2.3% | +0.2% | |
| Nov 18, 2022 | SELF Global Self Storage, Inc. | President And CEO | Buy | 3,000 | $5.18 | $15,529.34 | +1.7% | +5.7% | -7.8% | |
| Aug 23, 2022 | SELF Global Self Storage, Inc. | President And CEO | Buy | 4,800 | $6.07 | $29,136.00 | +2.8% | -13.4% | -14.9% |