Winmill & Co. Incorporated

CIK 52234 · View on SEC EDGAR ↗

Insider Activist

First SEC filing: Dec. 1, 2025 · Latest: Dec. 5, 2025

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Institution

WINMILL & CO. INC

Insider at

Insider transactions

27 buys (P) 0 sells (S) Net: $748,230 + 3 non-open-market transactions below Avg return of open purchases vs now: 1.7% last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

3 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 18, 2026 SELF P 5,736 $5.32 $30,516 184,287 Direct +3.21% Acquired -0.9% (price as of 2026-08-20)
Aug. 17, 2026 SELF P 7,117 $5.33 $37,934 178,551 Direct +4.15% Acquired -1.1% (price as of 2026-08-20)
Aug. 14, 2026 SELF P 6,029 $5.23 $31,532 171,434 Direct +3.64% Acquired 0.8% (price as of 2026-08-20)
Aug. 13, 2026 SELF P 5,629 $5.20 $29,271 165,405 Direct +3.52% Acquired 1.3% (price as of 2026-08-20)
Aug. 12, 2026 SELF P 6,248 $5.15 $32,177 159,776 Direct +4.07% Acquired 2.3% (price as of 2026-08-20)
Aug. 11, 2026 SELF P 5,887 $5.17 $30,436 153,528 Direct +3.99% Acquired 1.9% (price as of 2026-08-20)
Dec. 1, 2025 SELF P 3,062 $5.18 $15,861 147,641 Direct +2.12% Acquired 1.7% (price as of 2026-08-20)
Nov. 28, 2025 SELF P 3,342 $5.16 $17,245 144,579 Direct +2.37% Acquired 2.1% (price as of 2026-08-20)
Nov. 26, 2025 SELF P 4,873 $5.17 $25,193 141,237 Direct +3.57% Acquired 1.9% (price as of 2026-08-20)
Nov. 25, 2025 SELF P 4,547 $5.18 $23,553 136,364 Direct +3.45% Acquired 1.7% (price as of 2026-08-20)
Nov. 24, 2025 SELF P 4,064 $5.14 $20,889 131,817 Direct +3.18% Acquired 2.5% (price as of 2026-08-20)
Nov. 21, 2025 SELF P 6,226 $5.09 $31,690 127,753 Direct +5.12% Acquired 3.5% (price as of 2026-08-20)
Nov. 20, 2025 SELF P 5,870 $5.08 $29,820 121,527 Direct +5.08% Acquired 3.7% (price as of 2026-08-20)
Nov. 19, 2025 SELF P 6,226 $5.13 $31,939 115,657 Direct +5.69% Acquired 2.7% (price as of 2026-08-20)
Nov. 18, 2025 SELF P 5,618 $5.16 $28,989 109,431 Direct +5.41% Acquired 2.1% (price as of 2026-08-20)
Nov. 17, 2025 SELF P 6,226 $5.12 $31,877 103,813 Direct +6.38% Acquired 2.9% (price as of 2026-08-20)
Nov. 14, 2025 SELF P 7,035 $5.09 $35,808 97,587 Direct +7.77% Acquired 3.5% (price as of 2026-08-20)
Nov. 13, 2025 SELF P 6,694 $5.03 $33,671 90,552 Direct +7.98% Acquired 4.8% (price as of 2026-08-20)
Nov. 12, 2025 SELF P 6,055 $5.03 $30,457 83,858 Direct +7.78% Acquired 4.8% (price as of 2026-08-20)
Nov. 11, 2025 SELF P 2,069 $4.97 $10,283 77,803 Direct +2.73% Acquired 6.0% (price as of 2026-08-20)
Aug. 29, 2025 SELF P 4,592 $5.48 $25,164 75,734 Direct +6.45% Acquired -3.8% (price as of 2026-08-20)
Aug. 28, 2025 SELF P 7,209 $5.42 $39,073 71,142 Direct +11.28% Acquired -2.8% (price as of 2026-08-20)
Aug. 27, 2025 SELF P 5,477 $5.36 $29,357 63,933 Direct +9.37% Acquired -1.7% (price as of 2026-08-20)
Aug. 26, 2025 SELF P 7,788 $5.26 $40,965 58,456 Direct +15.37% Acquired 0.2% (price as of 2026-08-20)
Aug. 25, 2025 SELF P 7,823 $5.22 $40,836 50,668 Direct +18.26% Acquired 1.0% (price as of 2026-08-20)
Aug. 22, 2025 SELF P 2,160 $5.15 $11,124 42,845 Direct +5.31% Acquired 2.3% (price as of 2026-08-20)
Aug. 21, 2025 SELF P 502 $5.12 $2,570 40,685 Direct +1.25% Acquired 2.9% (price as of 2026-08-20)
July 30, 2025 52234 P 6,255 $13.80 $86,319 227,570 Direct +2.83% Acquired
July 28, 2025 52234 P 9,500 $13.87 $131,765 221,315 Direct +4.49% Acquired
July 25, 2025 52234 P 2,500 $13.70 $34,250 211,815 Direct +1.19% Acquired
July 22, 2025 52234 P 1,312 $13.57 $17,804 209,315 Direct +0.63% Acquired
July 21, 2025 52234 P 2,300 $13.55 $31,165 208,003 Direct +1.12% Acquired
July 18, 2025 52234 P 277 $13.53 $3,748 205,703 Direct +0.13% Acquired
July 17, 2025 52234 P 1,396 $13.56 $18,930 205,426 Direct +0.68% Acquired
July 16, 2025 52234 P 10,000 $13.53 $135,300 204,030 Direct +5.15% Acquired
July 15, 2025 52234 P 10,000 $13.55 $135,500 194,030 Direct +5.43% Acquired
July 14, 2025 52234 P 2,982 $13.58 $40,496 184,030 Direct +1.65% Acquired
July 11, 2025 52234 P 10,000 $13.59 $135,900 181,048 Direct +5.85% Acquired
July 7, 2025 52234 P 3,600 $13.59 $48,924 171,048 Direct +2.15% Acquired
July 2, 2025 52234 P 10,000 $13.51 $135,100 167,448 Direct +6.35% Acquired
July 1, 2025 52234 P 2,216 $13.31 $29,495 157,448 Direct +1.43% Acquired
June 30, 2025 52234 P 459 $13.38 $6,141 155,232 Direct +0.30% Acquired
Aug. 30, 2024 SELF P 1,836 $5.21 $9,566 40,183 Direct +4.79% Acquired 1.2% (price as of 2026-08-20)
Aug. 29, 2024 SELF P 800 $5.23 $4,184 38,347 Direct +2.13% Acquired 0.8% (price as of 2026-08-20)
Aug. 28, 2024 52234 P 2,395 $13.22 $31,662 154,773 Direct +1.57% Acquired
Aug. 27, 2024 52234 P 11,500 $13.18 $151,570 152,378 Direct +8.16% Acquired
Aug. 27, 2024 SELF P 133 $5.20 $692 37,547 Direct +0.36% Acquired 1.3% (price as of 2026-08-20)
Aug. 27, 2024 SELF P 2,966 $5.19 $15,394 37,414 Direct +8.61% Acquired 1.5% (price as of 2026-08-20)
Aug. 26, 2024 52234 P 2,450 $13.31 $32,610 140,878 Direct +1.77% Acquired
Aug. 26, 2024 SELF P 1,632 $5.16 $8,421 34,448 Direct +4.97% Acquired 2.1% (price as of 2026-08-20)
Aug. 23, 2024 SELF P 1,744 $5.19 $9,051 32,816 Direct +5.61% Acquired 1.5% (price as of 2026-08-20)
Aug. 22, 2024 SELF P 6,962 $5.20 $36,202 31,072 Direct +28.88% Acquired 1.3% (price as of 2026-08-20)
Aug. 22, 2024 52234 P 1,305 $13.15 $17,161 138,428 Direct +0.95% Acquired
Aug. 21, 2024 SELF P 2,524 $5.12 $12,923 24,110 Direct +11.69% Acquired 2.9% (price as of 2026-08-20)
Aug. 20, 2024 SELF P 4,803 $5.09 $24,447 21,586 Direct +28.62% Acquired 3.5% (price as of 2026-08-20)
Aug. 20, 2024 52234 P 6 $13.13 $79 137,123 Direct 0.00% Acquired
Aug. 19, 2024 52234 P 2,915 $13.14 $38,303 137,117 Direct +2.17% Acquired
Aug. 19, 2024 SELF P 4,195 $5.02 $21,059 16,783 Direct +33.33% Acquired 5.0% (price as of 2026-08-20)
Aug. 16, 2024 SELF P 3,301 $5.09 $16,802 12,588 Direct +35.54% Acquired 3.5% (price as of 2026-08-20)
Aug. 15, 2024 SELF P 2,300 $4.98 $11,454 9,287 Direct +32.92% Acquired 5.8% (price as of 2026-08-20)
Aug. 14, 2024 SELF P 1,900 $4.96 $9,424 6,987 Direct +37.35% Acquired 6.2% (price as of 2026-08-20)
Aug. 13, 2024 52234 P 1,981 $12.88 $25,515 134,202 Direct +1.50% Acquired
Aug. 9, 2024 52234 P 3,092 $12.87 $39,794 132,221 Direct +2.39% Acquired
Aug. 7, 2024 52234 P 6,320 $12.63 $79,822 129,129 Direct +5.15% Acquired
Aug. 6, 2024 52234 P 4,919 $12.43 $61,143 122,809 Direct +4.17% Acquired
Aug. 5, 2024 52234 P 13,500 $12.23 $165,105 117,890 Direct +12.93% Acquired
Aug. 2, 2024 52234 P 13,000 $12.93 $168,090 104,390 Direct +14.22% Acquired
Aug. 1, 2024 52234 P 12,500 $13.34 $166,750 91,390 Direct +15.84% Acquired
July 31, 2024 52234 P 200 $13.26 $2,652 78,890 Direct +0.25% Acquired
July 30, 2024 52234 P 6,105 $13.30 $81,196 78,690 Direct +8.41% Acquired
July 29, 2024 52234 P 5,550 $13.18 $73,149 72,585 Direct +8.28% Acquired
July 26, 2024 52234 P 6,105 $13.14 $80,220 67,035 Direct +10.02% Acquired
July 24, 2024 52234 P 13,000 $13.26 $172,380 60,930 Direct +27.12% Acquired
July 19, 2024 52234 P 800 $13.10 $10,480 47,930 Direct +1.70% Acquired
July 18, 2024 52234 P 8,220 $13.35 $109,737 47,130 Direct +21.13% Acquired
July 17, 2024 52234 P 13,000 $13.34 $173,420 38,910 Direct +50.17% Acquired
July 16, 2024 52234 P 1,000 $13.12 $13,120 25,910 Direct +4.01% Acquired
July 12, 2024 52234 P 4,320 $12.90 $55,728 24,910 Direct +20.98% Acquired
July 10, 2024 52234 P 100 $12.53 $1,253 20,590 Direct +0.49% Acquired
July 9, 2024 52234 P 2,530 $12.52 $31,676 20,490 Direct +14.09% Acquired
July 8, 2024 52234 P 6,201 $12.54 $77,761 17,960 Direct +52.73% Acquired
July 5, 2024 52234 P 3,804 $12.51 $47,588 11,759 Direct +47.82% Acquired
July 3, 2024 52234 P 1,021 $12.54 $12,803 7,955 Direct +14.72% Acquired
July 1, 2024 52234 P 6,934 $12.52 $86,814 6,934 Direct — Acquired
Nov. 21, 2016 SELF P 358 $4.85 $1,736 128,227 Direct +0.28% Acquired 8.7% (price as of 2026-08-20)
Aug. 2, 2012 SELF P 200 $4.02 $804 127,869 Direct +0.16% Acquired 31.1% (price as of 2026-08-20)
Aug. 1, 2012 SELF P 250 $4.10 $1,025 127,669 Direct +0.20% Acquired 28.5% (price as of 2026-08-20)
July 31, 2012 SELF P 1,100 $4.10 $4,510 127,419 Direct +0.87% Acquired 28.5% (price as of 2026-08-20)
July 30, 2012 SELF P 488 $4.08 $1,991 126,319 Direct +0.39% Acquired 29.2% (price as of 2026-08-20)
July 27, 2012 SELF P 500 $4.09 $2,045 125,831 Direct +0.40% Acquired 28.9% (price as of 2026-08-20)
July 25, 2012 SELF P 1,950 $4.03 $7,858 125,331 Direct +1.58% Acquired 30.8% (price as of 2026-08-20)
July 24, 2012 SELF P 1,100 $4.03 $4,433 123,381 Direct +0.90% Acquired 30.8% (price as of 2026-08-20)
July 17, 2012 SELF P 300 $4.04 $1,212 122,281 Direct +0.25% Acquired 30.4% (price as of 2026-08-20)
July 13, 2012 SELF P 810 $4.06 $3,289 121,981 Direct +0.67% Acquired 29.8% (price as of 2026-08-20)
July 12, 2012 SELF P 4,757 $4.04 $19,218 121,171 Direct +4.09% Acquired 30.4% (price as of 2026-08-20)
July 9, 2012 SELF P 2,206 $4.05 $8,934 116,414 Direct +1.93% Acquired 30.1% (price as of 2026-08-20)
July 6, 2012 SELF P 10,000 $4.05 $40,500 114,208 Direct +9.60% Acquired 30.1% (price as of 2026-08-20)

Showing latest 100 of 113 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Dec. 13, 2019 SELF Subscription Rights (right to buy) Common Stock — Dec. 13, 2019 33,242 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Aug. 2, 2011 SELF Common Stock 4,838 Direct