Insider trades › Winmill & Co. Inc
Winmill & Co. Inc
A corporate insider: an officer, director or owner of more than 10% of a company. Insiders report their trades to the SEC on Form 4The form insiders use to report each purchase or sale of their company's stock. It is due within two business days of the trade. · Last filing Aug 26, 2026
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Using 13F.ai, list Winmill & Co. Inc's open-market buys and sells across companies in the last two years, with the Form 4 links.
Using 13F.ai, how did the stocks Winmill & Co. Inc bought perform after the purchase compared with the S&P 500?
Using 13F.ai, are other insiders at the same companies buying or selling at the same time as Winmill & Co. Inc?
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Buying and selling by quarter
Dollars bought and sold on the open market over the last two years.
Bought Sold
By trade date, using the shares and price reported for each trade. Stock grants, option exercises and shares withheld for tax are left out.
Roles
The companies where this person reports as an insider, and their position at each, most recent first.
Latest open-market trades
Purchases and sales at every company, most recent filing first.
| How the stock has done since the trade date, measured against the S&P 500 over the same days. It describes the stock, not the trader's actual gain or loss. | Filing | ||||||
|---|---|---|---|---|---|---|---|
| Aug 26, 2026 | SELF Global Self Storage, Inc. | Buy | 7,761 | $5.64 | $43.8K | -12.0% | Form 4 ↗ |
| Aug 25, 2026 | SELF Global Self Storage, Inc. | Buy | 7,547 | $5.66 | $42.7K | -12.7% | Form 4 ↗ |
| Aug 24, 2026 | SELF Global Self Storage, Inc. | Buy | 8,022 | $5.62 | $45.1K | -13.3% | Form 4 ↗ |
| Aug 21, 2026 | SELF Global Self Storage, Inc. | Buy | 7,117 | $5.45 | $38.8K | -11.1% | Form 4 ↗ |
| Aug 20, 2026 | SELF Global Self Storage, Inc. | Buy | 6,901 | $5.42 | $37.4K | -11.5% | Form 4 ↗ |
| Aug 19, 2026 | SELF Global Self Storage, Inc. | Buy | 6,877 | $5.40 | $37.1K | -8.4% | Form 4 ↗ |
| Aug 18, 2026 | BXSY Bexil Investment Trust | Buy | 2,500 | $17.97 | $44.9K | — | Form 4 ↗ |
| Aug 18, 2026 | SELF Global Self Storage, Inc. | Buy | 5,736 | $5.32 | $30.5K | -9.1% | Form 4 ↗ |
| Aug 17, 2026 | BXSY Bexil Investment Trust | Buy | 5,200 | $18.08 | $94.0K | — | Form 4 ↗ |
| Aug 17, 2026 | SELF Global Self Storage, Inc. | Buy | 7,117 | $5.33 | $37.9K | -5.6% | Form 4 ↗ |
| Aug 14, 2026 | SELF Global Self Storage, Inc. | Buy | 6,029 | $5.23 | $31.5K | -6.5% | Form 4 ↗ |
| Aug 14, 2026 | BXSY Bexil Investment Trust | Buy | 5,200 | $18.08 | $94.0K | — | Form 4 ↗ |
| Aug 13, 2026 | SELF Global Self Storage, Inc. | Buy | 5,629 | $5.20 | $29.3K | -3.0% | Form 4 ↗ |
| Aug 13, 2026 | BXSY Bexil Investment Trust | Buy | 5,250 | $18.01 | $94.6K | — | Form 4 ↗ |
| Aug 12, 2026 | SELF Global Self Storage, Inc. | Buy | 6,248 | $5.15 | $32.2K | -3.1% | Form 4 ↗ |
| Aug 12, 2026 | BXSY Bexil Investment Trust | Buy | 5,250 | $17.95 | $94.2K | — | Form 4 ↗ |
| Aug 11, 2026 | SELF Global Self Storage, Inc. | Buy | 5,887 | $5.17 | $30.4K | -2.8% | Form 4 ↗ |
| Aug 11, 2026 | BXSY Bexil Investment Trust | Buy | 5,000 | $17.95 | $89.8K | — | Form 4 ↗ |
| Aug 10, 2026 | BXSY Bexil Investment Trust | Buy | 5,000 | $17.78 | $88.9K | — | Form 4 ↗ |
| Aug 7, 2026 | BXSY Bexil Investment Trust | Buy | 5,000 | $17.78 | $88.9K | — | Form 4 ↗ |
| Aug 6, 2026 | BXSY Bexil Investment Trust | Buy | 2,310 | $17.54 | $40.5K | — | Form 4 ↗ |
| Aug 5, 2026 | BXSY Bexil Investment Trust | Buy | 5,000 | $17.80 | $89.0K | — | Form 4 ↗ |
| Jul 31, 2026 | BXSY Bexil Investment Trust | Buy | 5,000 | $17.18 | $85.9K | — | Form 4 ↗ |
| Jul 29, 2026 | BXSY Bexil Investment Trust | Buy | 5,000 | $17.03 | $85.2K | — | Form 4 ↗ |
| Jul 28, 2026 | BXSY Bexil Investment Trust | Buy | 2,029 | $16.91 | $34.3K | — | Form 4 ↗ |
| Jul 27, 2026 | BXSY Bexil Investment Trust | Buy | 4,700 | $16.93 | $79.6K | — | Form 4 ↗ |
| Jul 24, 2026 | BXSY Bexil Investment Trust | Buy | 4,700 | $16.93 | $79.6K | — | Form 4 ↗ |
| Jul 23, 2026 | BXSY Bexil Investment Trust | Buy | 4,500 | $17.13 | $77.1K | — | Form 4 ↗ |
| Jul 22, 2026 | BXSY Bexil Investment Trust | Buy | 3,887 | $17.20 | $66.9K | — | Form 4 ↗ |
| Jul 20, 2026 | BXSY Bexil Investment Trust | Buy | 4,500 | $17.03 | $76.6K | — | Form 4 ↗ |
| Jul 17, 2026 | BXSY Bexil Investment Trust | Buy | 4,500 | $17.01 | $76.5K | — | Form 4 ↗ |
| Jul 15, 2026 | BXSY Bexil Investment Trust | Buy | 4,500 | $16.99 | $76.5K | — | Form 4 ↗ |
| Jul 13, 2026 | BXSY Bexil Investment Trust | Buy | 4,500 | $17.04 | $76.7K | — | Form 4 ↗ |
| Jun 29, 2026 | BXSY Bexil Investment Trust | Buy | 1 | $17.03 | $17.03 | — | Form 4 ↗ |
| Jun 26, 2026 | BXSY Bexil Investment Trust | Buy | 300 | $17.03 | $5,109 | — | Form 4 ↗ |
| Jun 25, 2026 | BXSY Bexil Investment Trust | Buy | 1,050 | $16.97 | $17.8K | — | Form 4 ↗ |
| Jun 24, 2026 | BXSY Bexil Investment Trust | Buy | 1,000 | $16.81 | $16.8K | — | Form 4 ↗ |
| Jun 23, 2026 | BXSY Bexil Investment Trust | Buy | 1,135 | $16.78 | $19.0K | — | Form 4 ↗ |
| Dec 1, 2025 | SELF Global Self Storage, Inc. | Buy | 3,062 | $5.18 | $15.9K | -16.7% | Form 4 ↗ |
| Nov 28, 2025 | SELF Global Self Storage, Inc. | Buy | 3,342 | $5.16 | $17.2K | -15.9% | Form 4 ↗ |
| Nov 26, 2025 | SELF Global Self Storage, Inc. | Buy | 4,873 | $5.17 | $25.2K | -15.5% | Form 4 ↗ |
| Nov 25, 2025 | SELF Global Self Storage, Inc. | Buy | 4,547 | $5.18 | $23.6K | -17.9% | Form 4 ↗ |
| Nov 24, 2025 | SELF Global Self Storage, Inc. | Buy | 4,064 | $5.14 | $20.9K | -17.9% | Form 4 ↗ |
| Nov 21, 2025 | SELF Global Self Storage, Inc. | Buy | 6,226 | $5.09 | $31.7K | -18.6% | Form 4 ↗ |
| Nov 20, 2025 | SELF Global Self Storage, Inc. | Buy | 5,870 | $5.08 | $29.8K | -19.4% | Form 4 ↗ |
| Nov 19, 2025 | SELF Global Self Storage, Inc. | Buy | 6,226 | $5.13 | $31.9K | -18.0% | Form 4 ↗ |
| Nov 18, 2025 | SELF Global Self Storage, Inc. | Buy | 5,618 | $5.16 | $29.0K | -20.4% | Form 4 ↗ |
| Nov 17, 2025 | SELF Global Self Storage, Inc. | Buy | 6,226 | $5.12 | $31.9K | -18.4% | Form 4 ↗ |
| Nov 14, 2025 | SELF Global Self Storage, Inc. | Buy | 7,035 | $5.09 | $35.8K | -16.8% | Form 4 ↗ |
| Nov 13, 2025 | SELF Global Self Storage, Inc. | Buy | 6,694 | $5.03 | $33.7K | -15.8% | Form 4 ↗ |
| Nov 12, 2025 | SELF Global Self Storage, Inc. | Buy | 6,055 | $5.03 | $30.5K | -14.3% | Form 4 ↗ |
| Nov 11, 2025 | SELF Global Self Storage, Inc. | Buy | 2,069 | $4.97 | $10.3K | -12.7% | Form 4 ↗ |
| Aug 29, 2025 | SELF Global Self Storage, Inc. | Buy | 4,592 | $5.48 | $25.2K | -28.0% | Form 4 ↗ |
| Aug 28, 2025 | SELF Global Self Storage, Inc. | Buy | 7,209 | $5.42 | $39.1K | -27.1% | Form 4 ↗ |
| Aug 27, 2025 | SELF Global Self Storage, Inc. | Buy | 5,477 | $5.36 | $29.4K | -26.7% | Form 4 ↗ |
| Aug 26, 2025 | SELF Global Self Storage, Inc. | Buy | 7,788 | $5.26 | $41.0K | -24.9% | Form 4 ↗ |
| Aug 25, 2025 | SELF Global Self Storage, Inc. | Buy | 7,823 | $5.22 | $40.8K | -24.7% | Form 4 ↗ |
| Aug 22, 2025 | SELF Global Self Storage, Inc. | Buy | 2,160 | $5.15 | $11.1K | -22.9% | Form 4 ↗ |
| Aug 21, 2025 | SELF Global Self Storage, Inc. | Buy | 502 | $5.12 | $2,570 | -23.8% | Form 4 ↗ |
| Jul 30, 2025 | BXSY Bexil Investment Trust | Buy | 6,255 | $13.80 | $86.3K | — | Form 4 ↗ |
| Jul 28, 2025 | BXSY Bexil Investment Trust | Buy | 9,500 | $13.87 | $131.8K | — | Form 4 ↗ |
| Jul 25, 2025 | BXSY Bexil Investment Trust | Buy | 2,500 | $13.70 | $34.3K | — | Form 4 ↗ |
| Jul 22, 2025 | BXSY Bexil Investment Trust | Buy | 1,312 | $13.57 | $17.8K | — | Form 4 ↗ |
| Jul 21, 2025 | BXSY Bexil Investment Trust | Buy | 2,300 | $13.55 | $31.2K | — | Form 4 ↗ |
| Jul 18, 2025 | BXSY Bexil Investment Trust | Buy | 277 | $13.53 | $3,748 | — | Form 4 ↗ |
| Jul 17, 2025 | BXSY Bexil Investment Trust | Buy | 1,396 | $13.56 | $18.9K | — | Form 4 ↗ |
| Jul 16, 2025 | BXSY Bexil Investment Trust | Buy | 10,000 | $13.53 | $135.3K | — | Form 4 ↗ |
| Jul 15, 2025 | BXSY Bexil Investment Trust | Buy | 10,000 | $13.55 | $135.5K | — | Form 4 ↗ |
| Jul 14, 2025 | BXSY Bexil Investment Trust | Buy | 2,982 | $13.58 | $40.5K | — | Form 4 ↗ |
| Jul 11, 2025 | BXSY Bexil Investment Trust | Buy | 10,000 | $13.59 | $135.9K | — | Form 4 ↗ |
| Jul 7, 2025 | BXSY Bexil Investment Trust | Buy | 3,600 | $13.59 | $48.9K | — | Form 4 ↗ |
| Jul 2, 2025 | BXSY Bexil Investment Trust | Buy | 10,000 | $13.51 | $135.1K | — | Form 4 ↗ |
| Jul 1, 2025 | BXSY Bexil Investment Trust | Buy | 2,216 | $13.31 | $29.5K | — | Form 4 ↗ |
| Jun 30, 2025 | BXSY Bexil Investment Trust | Buy | 459 | $13.38 | $6,141 | — | Form 4 ↗ |
Each row links to its Form 4. Since trade compares the stock’s move from the close on the trade date (or the next trading day) to its latest close with the S&P 500 over the same days, adjusted for splits and excluding dividends. It describes the stock, not what the trader made: we don’t know their purchase price, position size or later sales. A dash means the trade isn’t matched to a listed stock, or there is no closing price after it yet.
When several people report on the same filing, we list it under the first one named, so trades by someone usually listed second may be missing here. Information, not investment advice: see the disclaimer.