Winmill & Co. Inc Insider Trading Activity
Winmill & Co. Inc, an institutional filer, recorded 31 transactions over the last 12 months across 2 companies totaling $1.4M.
Activity concentrated in SELF with 18 filings. The largest single transaction was a purchase of BXSY for $95K on Aug 13, 2026.
Performance Scorecard
Forward stock performance after each transaction by Winmill & Co. Inc. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | -0.5% | — | 42% | 36 |
| 90 days | +2.6% | — | 50% | 36 |
| 120 days | +2.6% | — | 50% | 36 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade Markers🔒 Subscribe to see trade entries
Pro members see exactly when Winmill & Co. Inc bought and sold BXSY.
Upgrade to ProRecent Trades
Showing the 50 most recent of 53 disclosed trades.
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Aug 26, 2026 | SELF | Buy | 7,761 | $5.64 | $44K | +3.5% | Other | |
Aug 25, 2026 | SELF | Buy | 7,547 | $5.66 | $43K | +3.5% | Other | |
Aug 24, 2026 | SELF | Buy | 8,022 | $5.62 | $45K | +3.9% | Other | |
Aug 21, 2026 | SELF | Buy | 7,117 | $5.45 | $39K | +3.6% | Other | |
Aug 14, 2026 | BXSY | Buy | 5,200 | $18.08 | $94K | +1.7% | Other | |
Aug 13, 2026 | BXSY | Buy | 5,250 | $18.01 | $95K | +1.7% | Other | |
Aug 12, 2026 | BXSY | Buy | 5,250 | $17.95 | $94K | +1.7% | Other | |
Aug 11, 2026 | BXSY | Buy | 5,000 | $17.95 | $90K | +1.7% | Other | |
Jul 29, 2026 | BXSY | Buy | 5,000 | $17.03 | $85K | +1.9% | Other | |
Jul 28, 2026 | BXSY | Buy | 2,029 | $16.91 | $34K | +0.8% | Other | |
Jul 23, 2026 | BXSY | Buy | 4,500 | $17.13 | $77K | +1.8% | Other | |
Jul 22, 2026 | BXSY | Buy | 3,887 | $17.20 | $67K | +1.6% | Other | |
Jul 20, 2026 | BXSY | Buy | 4,500 | $17.03 | $77K | +1.8% | Other | |
Jul 17, 2026 | BXSY | Buy | 4,500 | $17.01 | $77K | +1.9% | Other | |
Jul 13, 2026 | BXSY | Buy | 4,500 | $17.04 | $77K | +1.9% | Other | |
Jun 29, 2026 | BXSY | Buy | 1 | $17.03 | $17.03 | +0.0% | Other | |
Jun 26, 2026 | BXSY | Buy | 300 | $17.03 | $5K | +0.1% | Other | |
Dec 1, 2025 | SELF | Buy | 3,062 | $5.18 | $16K | +2.1% | Other | |
Nov 28, 2025 | SELF | Buy | 3,342 | $5.16 | $17K | +2.4% | Other | |
Nov 26, 2025 | SELF | Buy | 4,873 | $5.17 | $25K | +3.6% | Other | |
Nov 25, 2025 | SELF | Buy | 4,547 | $5.18 | $24K | +3.4% | Other | |
Nov 24, 2025 | SELF | Buy | 4,064 | $5.14 | $21K | +3.2% | Other | |
Nov 21, 2025 | SELF | Buy | 6,226 | $5.09 | $32K | +5.1% | Other | |
Nov 20, 2025 | SELF | Buy | 5,870 | $5.08 | $30K | +5.1% | Other | |
Nov 19, 2025 | SELF | Buy | 6,226 | $5.13 | $32K | +5.7% | Other | |
Nov 18, 2025 | SELF | Buy | 5,618 | $5.16 | $29K | +5.4% | Other | |
Nov 17, 2025 | SELF | Buy | 6,226 | $5.12 | $32K | +6.4% | Other | |
Nov 14, 2025 | SELF | Buy | 7,035 | $5.09 | $36K | +7.8% | Other | |
Nov 13, 2025 | SELF | Buy | 6,694 | $5.03 | $34K | +8.0% | Other | |
Nov 12, 2025 | SELF | Buy | 6,055 | $5.03 | $30K | +7.8% | Other | |
Nov 11, 2025 | SELF | Buy | 2,069 | $4.97 | $10K | +2.7% | Other | |
Aug 29, 2025 | SELF | Buy | 4,592 | $5.48 | $25K | +6.5% | Other | |
Aug 28, 2025 | SELF | Buy | 7,209 | $5.42 | $39K | +11.3% | Other | |
Aug 27, 2025 | SELF | Buy | 5,477 | $5.36 | $29K | +9.4% | Other | |
Aug 26, 2025 | SELF | Buy | 7,788 | $5.26 | $41K | +15.4% | Other | |
Aug 25, 2025 | SELF | Buy | 7,823 | $5.22 | $41K | +18.3% | Other | |
Aug 22, 2025 | SELF | Buy | 2,160 | $5.15 | $11K | +5.3% | Other | |
Aug 21, 2025 | SELF | Buy | 502 | $5.12 | $3K | +1.2% | Other | |
Jul 30, 2025 | BXSY | Buy | 6,255 | $13.80 | $86K | +2.8% | Other | |
Jul 28, 2025 | BXSY | Buy | 9,500 | $13.87 | $132K | +4.5% | Other | |
Jul 25, 2025 | BXSY | Buy | 2,500 | $13.70 | $34K | +1.2% | Other | |
Jul 22, 2025 | BXSY | Buy | 1,312 | $13.57 | $18K | +0.6% | Other | |
Jul 21, 2025 | BXSY | Buy | 2,300 | $13.55 | $31K | +1.1% | Other | |
Jul 18, 2025 | BXSY | Buy | 277 | $13.53 | $4K | +0.1% | Other | |
Jul 17, 2025 | BXSY | Buy | 1,396 | $13.56 | $19K | +0.7% | Other | |
Jul 16, 2025 | BXSY | Buy | 10,000 | $13.53 | $135K | +5.2% | Other | |
Jul 15, 2025 | BXSY | Buy | 10,000 | $13.55 | $136K | +5.4% | Other | |
Jul 14, 2025 | BXSY | Buy | 2,982 | $13.58 | $40K | +1.6% | Other | |
Jul 11, 2025 | BXSY | Buy | 10,000 | $13.59 | $136K | +5.8% | Other | |
Jul 7, 2025 | BXSY | Buy | 3,600 | $13.59 | $49K | +2.1% | Other |