Mark Campbell Winmill
Insider
Activist
First SEC filing: Nov. 19, 2003 · Latest: Dec. 5, 2025
Insider at
Insider transactions
9 buys (P)
0 sells (S)
Net: $125,944
Avg return of open purchases vs now: -5.9%
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 10, 2026 | SELF | P | 50 | $5.16 | $258 | 372,290 Direct | +0.01% | Acquired | -6.0% (price as of 2026-10-02) |
| Sept. 10, 2026 | SELF | P | 292 | $5.16 | $1,507 | 372,582 Direct | +0.08% | Acquired | -6.0% (price as of 2026-10-02) |
| Sept. 9, 2026 | SELF | P | 1,600 | $5.16 | $8,256 | 370,182 Direct | +0.43% | Acquired | -6.0% (price as of 2026-10-02) |
| Sept. 9, 2026 | SELF | P | 2,058 | $5.16 | $10,619 | 372,240 Direct | +0.56% | Acquired | -6.0% (price as of 2026-10-02) |
| May 14, 2026 | SELF | P | 4,000 | $5.33 | $21,320 | 368,582 Direct | +1.10% | Acquired | -9.0% (price as of 2026-10-02) |
| March 24, 2026 | SELF | A | 12,672 | $5.10 | $64,627 | 364,582 Direct | +3.60% | Acquired | -4.9% (price as of 2026-10-02) |
| March 24, 2026 | SELF | A | 12,672 | $5.08 | $64,374 | 351,910 Direct | +3.74% | Acquired | -4.5% (price as of 2026-10-02) |
| Dec. 5, 2025 | SELF | P | 3,600 | $5.09 | $18,324 | 339,238 Direct | +1.07% | Acquired | -4.7% (price as of 2026-10-02) |
| Dec. 5, 2025 | SELF | P | 800 | $5.05 | $4,040 | 335,638 Direct | +0.24% | Acquired | -4.0% (price as of 2026-10-02) |
| Dec. 4, 2025 | SELF | P | 6,000 | $5.14 | $30,840 | 334,838 Direct | +1.82% | Acquired | -5.6% (price as of 2026-10-02) |
| Dec. 3, 2025 | SELF | P | 6,000 | $5.13 | $30,780 | 328,838 Direct | +1.86% | Acquired | -5.5% (price as of 2026-10-02) |
| May 19, 2025 | SELF | P | 10,000 | $5.67 | $56,700 | 322,838 Direct | +3.20% | Acquired | -14.5% (price as of 2026-10-02) |
| March 25, 2025 | SELF | A | 12,672 | $4.32 | $54,743 | 312,838 Direct | +4.22% | Acquired | 12.3% (price as of 2026-10-02) |
| March 25, 2025 | SELF | A | 12,672 | $5.08 | $64,374 | 300,166 Direct | +4.41% | Acquired | -4.5% (price as of 2026-10-02) |
| May 30, 2024 | SELF | P | 20,000 | $4.97 | $99,400 | 287,494 Direct | +7.48% | Acquired | -2.4% (price as of 2026-10-02) |
| May 28, 2024 | SELF | P | 100 | $4.90 | $490 | 267,494 Direct | +0.04% | Acquired | -1.0% (price as of 2026-10-02) |
| May 28, 2024 | SELF | P | 375 | $4.91 | $1,841 | 267,394 Direct | +0.14% | Acquired | -1.2% (price as of 2026-10-02) |
| May 28, 2024 | SELF | P | 24 | $4.91 | $118 | 267,019 Direct | +0.01% | Acquired | -1.2% (price as of 2026-10-02) |
| May 28, 2024 | SELF | P | 2,400 | $4.90 | $11,760 | 266,995 Direct | +0.91% | Acquired | -1.0% (price as of 2026-10-02) |
| March 25, 2024 | SELF | A | 38,054 | $4.32 | $164,393 | 264,595 Direct | +16.80% | Acquired | 12.3% (price as of 2026-10-02) |
| March 25, 2024 | SELF | A | 3,467 | $4.32 | $14,977 | 226,541 Direct | +1.55% | Acquired | 12.3% (price as of 2026-10-02) |
| March 25, 2024 | SELF | A | 12,672 | $4.32 | $54,743 | 223,074 Direct | +6.02% | Acquired | 12.3% (price as of 2026-10-02) |
| Nov. 16, 2023 | SELF | P | 1,000 | $4.84 | $4,840 | 210,402 Direct | +0.48% | Acquired | 0.2% (price as of 2026-10-02) |
| Nov. 16, 2023 | SELF | P | 1,000 | $4.81 | $4,810 | 209,402 Direct | +0.48% | Acquired | 0.8% (price as of 2026-10-02) |
| Nov. 16, 2023 | SELF | P | 2,000 | $4.87 | $9,740 | 208,402 Direct | +0.97% | Acquired | -0.4% (price as of 2026-10-02) |
| Nov. 16, 2023 | SELF | P | 1,511 | $4.81 | $7,268 | 206,402 Direct | +0.74% | Acquired | 0.8% (price as of 2026-10-02) |
| Nov. 16, 2023 | SELF | P | 489 | $4.81 | $2,352 | 204,891 Direct | +0.24% | Acquired | 0.8% (price as of 2026-10-02) |
| Nov. 16, 2023 | SELF | P | 1,200 | $4.82 | $5,784 | 204,402 Direct | +0.59% | Acquired | 0.6% (price as of 2026-10-02) |
| Aug. 17, 2023 | SELF | P | 1,000 | $5.07 | $5,070 | 203,202 Direct | +0.49% | Acquired | -4.3% (price as of 2026-10-02) |
| May 15, 2023 | SELF | P | 1,800 | $5.13 | $9,234 | 202,202 Direct | +0.90% | Acquired | -5.5% (price as of 2026-10-02) |
| May 15, 2023 | SELF | P | 1,500 | $5.10 | $7,650 | 200,402 Direct | +0.75% | Acquired | -4.9% (price as of 2026-10-02) |
| May 15, 2023 | SELF | P | 1,300 | $5.15 | $6,695 | 198,902 Direct | +0.66% | Acquired | -5.8% (price as of 2026-10-02) |
| May 15, 2023 | SELF | P | 200 | $5.13 | $1,026 | 197,602 Direct | +0.10% | Acquired | -5.5% (price as of 2026-10-02) |
| May 15, 2023 | SELF | P | 655 | $5.15 | $3,373 | 197,402 Direct | +0.33% | Acquired | -5.8% (price as of 2026-10-02) |
| May 15, 2023 | SELF | P | 100 | $5.13 | $513 | 196,747 Direct | +0.05% | Acquired | -5.5% (price as of 2026-10-02) |
| May 15, 2023 | SELF | P | 745 | $5.10 | $3,800 | 196,647 Direct | +0.38% | Acquired | -4.9% (price as of 2026-10-02) |
| May 15, 2023 | SELF | P | 1,500 | $5.10 | $7,650 | 195,902 Direct | +0.77% | Acquired | -4.9% (price as of 2026-10-02) |
| March 27, 2023 | SELF | A | 2,093 | $5.52 | $11,553 | 194,402 Direct | +1.09% | Acquired | -12.1% (price as of 2026-10-02) |
| March 27, 2023 | SELF | A | 12,672 | $5.11 | $64,754 | 192,309 Direct | +7.05% | Acquired | -5.1% (price as of 2026-10-02) |
| Nov. 18, 2022 | SELF | P | 900 | $5.18 | $4,662 | 179,637 Direct | +0.50% | Acquired | -6.4% (price as of 2026-10-02) |
| Nov. 18, 2022 | SELF | P | 1,100 | $5.17 | $5,687 | 178,737 Direct | +0.62% | Acquired | -6.2% (price as of 2026-10-02) |
| Nov. 18, 2022 | SELF | P | 900 | $5.18 | $4,662 | 177,637 Direct | +0.51% | Acquired | -6.4% (price as of 2026-10-02) |
| Nov. 18, 2022 | SELF | P | 100 | $5.17 | $517 | 176,737 Direct | +0.06% | Acquired | -6.2% (price as of 2026-10-02) |
| Aug. 23, 2022 | SELF | P | 600 | $6.07 | $3,642 | 176,637 Direct | +0.34% | Acquired | -20.1% (price as of 2026-10-02) |
| Aug. 23, 2022 | SELF | P | 1,400 | $6.07 | $8,498 | 176,037 Direct | +0.80% | Acquired | -20.1% (price as of 2026-10-02) |
| Aug. 23, 2022 | SELF | P | 1,400 | $6.07 | $8,498 | 174,637 Direct | +0.81% | Acquired | -20.1% (price as of 2026-10-02) |
| Aug. 23, 2022 | SELF | P | 1,400 | $6.07 | $8,498 | 173,237 Direct | +0.81% | Acquired | -20.1% (price as of 2026-10-02) |
| May 20, 2022 | SELF | P | 1,700 | $5.74 | $9,758 | 171,837 Direct | +1.00% | Acquired | -15.5% (price as of 2026-10-02) |
| March 28, 2022 | SELF | A | 8,025 | $5.52 | $44,298 | 170,137 Direct | +4.95% | Acquired | -12.1% (price as of 2026-10-02) |
| Aug. 24, 2021 | SELF | P | 1,000 | $5.12 | $5,120 | 162,112 Direct | +0.62% | Acquired | -5.3% (price as of 2026-10-02) |
| Aug. 20, 2021 | SELF | P | 1,000 | $5.10 | $5,100 | 161,112 Direct | +0.62% | Acquired | -4.9% (price as of 2026-10-02) |
| Aug. 20, 2021 | SELF | P | 1,000 | $5.10 | $5,100 | 160,112 Direct | +0.63% | Acquired | -4.9% (price as of 2026-10-02) |
| Aug. 20, 2021 | SELF | P | 1,000 | $5.10 | $5,100 | 159,112 Direct | +0.63% | Acquired | -4.9% (price as of 2026-10-02) |
| Aug. 20, 2021 | SELF | P | 1,000 | $5.10 | $5,100 | 158,112 Direct | +0.64% | Acquired | -4.9% (price as of 2026-10-02) |
| March 25, 2021 | SELF | A | 24,100 | $4.51 | $108,691 | 157,112 Direct | +18.12% | Acquired | 7.5% (price as of 2026-10-02) |
| March 25, 2021 | SELF | A | 8,025 | $4.51 | $36,193 | 133,012 Direct | +6.42% | Acquired | 7.5% (price as of 2026-10-02) |
| March 25, 2021 | SELF | D | 6,988 | · | · | 124,987 Direct | -5.29% | Disposed | (price as of 2026-10-02) |
| Nov. 20, 2020 | SELF | P | 500 | $4.00 | $2,000 | 131,975 Direct | +0.38% | Acquired | 21.2% (price as of 2026-10-02) |
| Nov. 20, 2020 | SELF | P | 2,000 | $4.00 | $8,000 | 131,475 Direct | +1.54% | Acquired | 21.2% (price as of 2026-10-02) |
| Nov. 19, 2020 | SELF | P | 500 | $4.00 | $2,000 | 129,475 Direct | +0.39% | Acquired | 21.2% (price as of 2026-10-02) |
| Nov. 19, 2020 | SELF | P | 1,000 | $4.00 | $4,000 | 128,975 Direct | +0.78% | Acquired | 21.2% (price as of 2026-10-02) |
| Nov. 19, 2020 | SELF | P | 3,000 | $4.00 | $12,000 | 127,975 Direct | +2.40% | Acquired | 21.2% (price as of 2026-10-02) |
| Nov. 19, 2020 | SELF | P | 3,000 | $4.00 | $12,000 | 124,975 Direct | +2.46% | Acquired | 21.2% (price as of 2026-10-02) |
| Aug. 19, 2020 | SELF | P | 1,923 | $3.92 | $7,538 | 121,975 Direct | +1.60% | Acquired | 23.7% (price as of 2026-10-02) |
| Aug. 19, 2020 | SELF | P | 77 | $3.92 | $302 | 120,052 Direct | +0.06% | Acquired | 23.7% (price as of 2026-10-02) |
| Aug. 19, 2020 | SELF | P | 3,000 | $3.92 | $11,760 | 119,975 Direct | +2.56% | Acquired | 23.7% (price as of 2026-10-02) |
| Aug. 19, 2020 | SELF | P | 300 | $3.92 | $1,176 | 116,975 Direct | +0.26% | Acquired | 23.7% (price as of 2026-10-02) |
| Aug. 19, 2020 | SELF | P | 700 | $3.85 | $2,695 | 116,675 Direct | +0.60% | Acquired | 26.0% (price as of 2026-10-02) |
| Aug. 19, 2020 | SELF | P | 1,000 | $3.91 | $3,910 | 115,975 Direct | +0.87% | Acquired | 24.0% (price as of 2026-10-02) |
| July 31, 2020 | SELF | W | 11,999 | $3.75 | $44,996 | 114,975 Direct | +11.65% | Acquired | 29.3% (price as of 2026-10-02) |
| May 20, 2020 | SELF | P | 550 | $3.73 | $2,052 | 102,976 Direct | +0.54% | Acquired | 30.0% (price as of 2026-10-02) |
| May 20, 2020 | SELF | P | 1,000 | $3.71 | $3,710 | 102,426 Direct | +0.99% | Acquired | 30.7% (price as of 2026-10-02) |
| May 20, 2020 | SELF | P | 2,000 | $3.74 | $7,480 | 101,426 Direct | +2.01% | Acquired | 29.7% (price as of 2026-10-02) |
| March 26, 2020 | SELF | A | 8,025 | $3.58 | $28,730 | 99,426 Direct | +8.78% | Acquired | 35.5% (price as of 2026-10-02) |
| Dec. 13, 2019 | SELF | X | 21,308 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 13, 2019 | SELF | X | 7,667 | $4.18 | $32,048 | 91,401 Direct | +9.16% | Acquired | 16.0% (price as of 2026-10-02) |
| May 28, 2019 | SELF | P | 1,000 | $3.70 | $3,700 | 83,374 Direct | +1.21% | Acquired | 31.1% (price as of 2026-10-02) |
| May 28, 2019 | SELF | P | 1,000 | $3.70 | $3,700 | 82,734 Direct | +1.22% | Acquired | 31.1% (price as of 2026-10-02) |
| March 27, 2019 | SELF | A | 6,724 | $4.42 | $29,720 | 81,734 Direct | +8.96% | Acquired | 9.7% (price as of 2026-10-02) |
| March 27, 2019 | SELF | A | 8,025 | $3.94 | $31,618 | 75,010 Direct | +11.98% | Acquired | 23.1% (price as of 2026-10-02) |
| May 18, 2018 | SELF | P | 1,400 | $4.18 | $5,852 | 66,985 Direct | +2.13% | Acquired | 16.0% (price as of 2026-10-02) |
| March 29, 2018 | SELF | A | 8,025 | $4.42 | $35,470 | 65,585 Direct | +13.94% | Acquired | 9.7% (price as of 2026-10-02) |
| March 29, 2018 | SELF | A | 24,100 | $4.42 | $106,522 | 57,560 Direct | +72.03% | Acquired | 9.7% (price as of 2026-10-02) |
| Aug. 23, 2017 | SELF | P | 1,000 | $4.88 | $4,880 | 33,460 Direct | +3.08% | Acquired | -0.6% (price as of 2026-10-02) |
| Aug. 23, 2017 | SELF | P | 2,000 | $4.89 | $9,780 | 32,460 Direct | +6.57% | Acquired | -0.8% (price as of 2026-10-02) |
| Nov. 30, 2016 | SELF | P | 1,000 | $5.00 | $5,000 | 30,460 Direct | +3.39% | Acquired | -3.0% (price as of 2026-10-02) |
| Aug. 23, 2016 | SELF | P | 2,000 | $5.50 | $11,000 | 29,460 Direct | +7.28% | Acquired | -11.8% (price as of 2026-10-02) |
| May 26, 2016 | SELF | P | 190 | $4.83 | $918 | 27,460 Direct | +0.70% | Acquired | 0.4% (price as of 2026-10-02) |
| May 25, 2016 | SELF | P | 200 | $4.77 | $954 | 27,270 Direct | +0.74% | Acquired | 1.7% (price as of 2026-10-02) |
| May 24, 2016 | SELF | P | 5,829 | $4.70 | $27,396 | 27,070 Direct | +27.44% | Acquired | 3.2% (price as of 2026-10-02) |
| May 23, 2016 | SELF | P | 1,000 | $4.69 | $4,690 | 21,241 Direct | +4.94% | Acquired | 3.4% (price as of 2026-10-02) |
| March 27, 2012 | SELF | P | 2,380 | $4.07 | $9,687 | 20,241 Direct | +13.33% | Acquired | 19.2% (price as of 2026-10-02) |
| March 26, 2012 | SELF | P | 7,620 | $4.07 | $31,013 | 17,861 Direct | +74.41% | Acquired | 19.2% (price as of 2026-10-02) |
| March 16, 2012 | SELF | P | 841 | $4.02 | $3,381 | 10,241 Direct | +8.95% | Acquired | 20.6% (price as of 2026-10-02) |
| March 15, 2012 | SELF | P | 1,000 | $4.07 | $4,070 | 9,400 Direct | +11.90% | Acquired | 19.2% (price as of 2026-10-02) |
| March 9, 2012 | SELF | P | 2,400 | $4.00 | $9,600 | 8,400 Direct | +40.00% | Acquired | 21.2% (price as of 2026-10-02) |
| March 7, 2012 | SELF | P | 5,000 | $4.00 | $20,000 | 6,000 Direct | +500.00% | Acquired | 21.2% (price as of 2026-10-02) |
| Nov. 17, 2003 | 52234 | M | 2,500 | $1.51 | $3,775 | 0 Direct | -100.00% | Disposed | |
| Nov. 17, 2003 | 52234 | M | 15,000 | $1.50 | $22,500 | 0 Direct | -100.00% | Disposed | |
| Nov. 17, 2003 | 52234 | D | 55,404 | $4.15 | $229,927 | 47,564 Direct | -53.81% | Disposed |
Showing latest 100 of 103 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 | 21,308 | Disposed |
| Nov. 17, 2003 | 52234 | Incentive Stock Option | Class A Common Stock | $1.51 | Dec. 9, 2007 | 2,500 | Disposed |
| Nov. 17, 2003 | 52234 | Incentive Stock Option | Class A Common Stock | $1.50 | Dec. 11, 2005 | 15,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $467,000,447,000 | $1,796,217,192 | $128,748,273,879 | · | · | · | $7,976,675,252 | $693,476,813,323 |
| 2021 | · | $14,500 | · | · | · | · | · | · |
| 2020 | · | $13,731 | · | · | · | · | · | · |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.