Gilbert E Nathan
Insider
First SEC filing: May 23, 2023 · Latest: May 23, 2023
Insider at
Insider transactions
9 buys (P)
0 sells (S)
Net: $608,110
Avg return of open purchases vs now: 238.7%
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. 14, 2026 | ALTO | P | 10,000 | $3.93 | $39,300 | 866,393 Direct | +1.17% | Acquired | -4.1% (price as of 2026-10-02) |
| Aug. 11, 2026 | ALTO | P | 50,000 | $4.15 | $207,500 | 856,393 Direct | +6.20% | Acquired | -9.2% (price as of 2026-10-02) |
| Aug. 1, 2026 | MX | A | 51,191 | · | · | 265,682 Direct | +23.87% | Acquired | (price as of 2026-10-02) |
| June 23, 2026 | ALTO | A | 31,652 | · | · | 806,393 Direct | +4.09% | Acquired | (price as of 2026-10-02) |
| May 13, 2026 | ALTO | P | 5,000 | $4.45 | $22,250 | 774,741 Direct | +0.65% | Acquired | -15.3% (price as of 2026-10-02) |
| May 12, 2026 | ALTO | P | 20,000 | $4.61 | $92,200 | 769,741 Direct | +2.67% | Acquired | -18.2% (price as of 2026-10-02) |
| March 16, 2026 | MX | P | 21,994 | $2.87 | $63,123 | 158,200 Indirect | +16.15% | Acquired | 28.2% (price as of 2026-10-02) |
| March 13, 2026 | MX | P | 13,006 | $2.79 | $36,287 | 136,206 Indirect | +10.56% | Acquired | 31.9% (price as of 2026-10-02) |
| March 12, 2026 | MX | P | 25,000 | $2.75 | $68,750 | 123,200 Indirect | +25.46% | Acquired | 33.8% (price as of 2026-10-02) |
| March 6, 2026 | RCD | P | 30,000 | $1.95 | $58,500 | 216,358 Direct | +16.10% | Acquired | 1070.8% (price as of 2026-10-02) |
| March 5, 2026 | RCD | P | 10,000 | $2.02 | $20,200 | 128,106 Direct | +8.47% | Acquired | 1030.2% (price as of 2026-10-02) |
| March 5, 2026 | RCD | A | 58,252 | · | · | 186,358 Direct | +45.47% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2026 | MX | A | 1,478 | · | · | 214,491 Direct | +0.69% | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2025 | MX | A | 6,320 | · | · | 213,013 Direct | +3.06% | Acquired | (price as of 2026-10-02) |
| July 9, 2025 | ALTO | A | 49,166 | · | · | 749,741 Direct | +7.02% | Acquired | (price as of 2026-10-02) |
| July 1, 2025 | MX | A | 50,650 | · | · | 206,693 Direct | +32.46% | Acquired | (price as of 2026-10-02) |
| March 13, 2025 | MX | P | 20,000 | $3.68 | $73,600 | 98,200 Indirect | +25.58% | Acquired | 0.0% (price as of 2026-10-02) |
| March 10, 2025 | RCD | P | 5,000 | $5.12 | $25,600 | 118,106 Direct | +4.42% | Acquired | 345.9% (price as of 2026-10-02) |
| Feb. 22, 2025 | RCD | A | 17,857 | · | · | 113,106 Direct | +18.75% | Acquired | (price as of 2026-10-02) |
| Nov. 13, 2024 | ALTO | P | 5,000 | $1.32 | $6,600 | 31,200 Indirect | +19.08% | Acquired | 185.6% (price as of 2026-10-02) |
| Nov. 13, 2024 | ALTO | P | 25,000 | $1.34 | $33,500 | 700,575 Direct | +3.70% | Acquired | 181.3% (price as of 2026-10-02) |
| June 20, 2024 | ALTO | A | 36,666 | · | · | 675,575 Direct | +5.74% | Acquired | (price as of 2026-10-02) |
| June 15, 2024 | MX | A | 39,157 | · | · | 156,043 Direct | +33.50% | Acquired | (price as of 2026-10-02) |
| May 24, 2024 | RCD | P | 10,000 | $8.29 | $82,900 | 95,249 Direct | +11.73% | Acquired | 175.4% (price as of 2026-10-02) |
| March 22, 2024 | RCD | P | 7,000 | $9.12 | $63,840 | 7,000 Indirect | · | Acquired | 150.3% (price as of 2026-10-02) |
| March 22, 2024 | RCD | P | 2,150 | $9.13 | $19,630 | 85,249 Direct | +2.59% | Acquired | 150.1% (price as of 2026-10-02) |
| March 14, 2024 | RCD | P | 10,000 | $8.65 | $86,500 | 83,099 Direct | +13.68% | Acquired | 163.9% (price as of 2026-10-02) |
| Feb. 22, 2024 | RCD | A | 12,693 | · | · | 73,099 Direct | +21.01% | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2023 | MX | P | 10,000 | $6.80 | $68,000 | 78,200 Indirect | +14.66% | Acquired | -45.9% (price as of 2026-10-02) |
| Nov. 15, 2023 | MX | A | 3,222 | · | · | 116,886 Direct | +2.83% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2023 | MX | P | 10,000 | $8.39 | $83,900 | 68,200 Indirect | +17.18% | Acquired | -56.1% (price as of 2026-10-02) |
| June 22, 2023 | ALTO | A | 55,000 | · | · | 638,909 Direct | +9.42% | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | MX | A | 17,479 | · | · | 113,664 Direct | +18.17% | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | ALTO | P | 5,000 | $1.97 | $9,850 | 583,909 Direct | +0.86% | Acquired | 91.4% (price as of 2026-10-02) |
| May 31, 2023 | ALTO | P | 5,000 | $1.99 | $9,950 | 578,909 Direct | +0.87% | Acquired | 89.4% (price as of 2026-10-02) |
| March 17, 2023 | ALTO | P | 10,000 | $1.71 | $17,100 | 573,909 Direct | +1.77% | Acquired | 120.5% (price as of 2026-10-02) |
| March 16, 2023 | ALTO | P | 10,000 | $1.81 | $18,100 | 563,909 Direct | +1.81% | Acquired | 108.3% (price as of 2026-10-02) |
| March 15, 2023 | ALTO | P | 15,000 | $1.86 | $27,900 | 553,909 Direct | +2.78% | Acquired | 102.7% (price as of 2026-10-02) |
| March 8, 2023 | RCD | P | 3,841 | $11.05 | $42,443 | 60,406 Direct | +6.79% | Acquired | 106.6% (price as of 2026-10-02) |
| March 7, 2023 | RCD | P | 5,000 | $10.95 | $54,750 | 56,565 Direct | +9.70% | Acquired | 108.5% (price as of 2026-10-02) |
| Feb. 12, 2023 | RCD | A | 8,860 | · | · | 51,565 Direct | +20.75% | Acquired | (price as of 2026-10-02) |
| Dec. 16, 2022 | ALTO | P | 35,000 | $2.71 | $94,850 | 538,909 Direct | +6.95% | Acquired | 39.1% (price as of 2026-10-02) |
| June 23, 2022 | ALTO | A | 20,109 | · | · | 503,909 Direct | +4.16% | Acquired | (price as of 2026-10-02) |
| May 20, 2022 | ALTO | P | 20,000 | $4.04 | $80,800 | 483,800 Direct | +4.31% | Acquired | -6.7% (price as of 2026-10-02) |
| Feb. 12, 2022 | RCD | A | 7,752 | · | · | 42,705 Direct | +22.18% | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2021 | ALTO | P | 10,000 | $4.96 | $49,600 | 463,800 Direct | +2.20% | Acquired | -24.0% (price as of 2026-10-02) |
| Nov. 30, 2021 | RCD | P | 2,000 | $15.29 | $30,580 | 34,953 Direct | +6.07% | Acquired | 49.3% (price as of 2026-10-02) |
| Nov. 29, 2021 | RCD | P | 1,000 | $15.51 | $15,510 | 32,953 Direct | +3.13% | Acquired | 47.2% (price as of 2026-10-02) |
| Nov. 22, 2021 | ALTO | P | 5,000 | $5.16 | $25,800 | 453,800 Direct | +1.11% | Acquired | -26.9% (price as of 2026-10-02) |
| Nov. 19, 2021 | ALTO | P | 5,000 | $5.13 | $25,650 | 448,800 Direct | +1.13% | Acquired | -26.5% (price as of 2026-10-02) |
| Nov. 15, 2021 | RCD | P | 2,000 | $15.84 | $31,680 | 31,953 Direct | +6.68% | Acquired | 44.1% (price as of 2026-10-02) |
| Nov. 15, 2021 | ALTO | P | 15,000 | $5.47 | $82,050 | 443,800 Direct | +3.50% | Acquired | -31.1% (price as of 2026-10-02) |
| Nov. 12, 2021 | ALTO | P | 10,000 | $5.73 | $57,300 | 428,800 Direct | +2.39% | Acquired | -34.2% (price as of 2026-10-02) |
| Aug. 30, 2021 | ALTO | P | 8,504 | $4.85 | $41,244 | 418,800 Direct | +2.07% | Acquired | -22.3% (price as of 2026-10-02) |
| Aug. 20, 2021 | ALTO | P | 6,000 | $4.45 | $26,700 | 410,296 Direct | +1.48% | Acquired | -15.3% (price as of 2026-10-02) |
| Aug. 13, 2021 | ALTO | P | 20,000 | $4.96 | $99,200 | 404,296 Direct | +5.20% | Acquired | -24.0% (price as of 2026-10-02) |
| Aug. 12, 2021 | ALTO | P | 5,000 | $5.10 | $25,500 | 384,296 Direct | +1.32% | Acquired | -26.1% (price as of 2026-10-02) |
| June 17, 2021 | ALTO | A | 32,736 | · | · | 379,296 Direct | +9.45% | Acquired | (price as of 2026-10-02) |
| June 11, 2021 | ALTO | P | 25,000 | $6.08 | $152,000 | 346,560 Direct | +7.77% | Acquired | -38.0% (price as of 2026-10-02) |
| June 10, 2021 | ALTO | P | 15,000 | $6.15 | $92,250 | 321,560 Direct | +4.89% | Acquired | -38.7% (price as of 2026-10-02) |
| May 24, 2021 | RCD | P | 3,000 | $14.66 | $43,980 | 29,953 Direct | +11.13% | Acquired | 55.7% (price as of 2026-10-02) |
| May 19, 2021 | ALTO | P | 5,000 | $5.38 | $26,900 | 306,560 Direct | +1.66% | Acquired | -29.9% (price as of 2026-10-02) |
| May 18, 2021 | ALTO | P | 66,134 | $5.65 | $373,657 | 301,560 Direct | +28.09% | Acquired | -33.3% (price as of 2026-10-02) |
| May 17, 2021 | ALTO | P | 6,200 | $5.09 | $31,558 | 26,200 Indirect | +31.00% | Acquired | -25.9% (price as of 2026-10-02) |
| May 17, 2021 | ALTO | P | 7,325 | $5.11 | $37,431 | 235,426 Direct | +3.21% | Acquired | -26.2% (price as of 2026-10-02) |
| May 11, 2021 | RCD | S | None | $51956.54 | · | 0 Direct | · | Disposed | -100.0% (price as of 2026-10-02) |
| May 11, 2021 | RCD | P | 4,000 | $13.66 | $54,640 | 26,953 Direct | +17.43% | Acquired | 67.1% (price as of 2026-10-02) |
| Feb. 12, 2021 | RCD | A | 7,800 | · | · | 22,953 Direct | +51.47% | Acquired | (price as of 2026-10-02) |
| Dec. 10, 2020 | ALTO | A | 28,710 | · | · | 228,101 Direct | +14.40% | Acquired | (price as of 2026-10-02) |
| Aug. 26, 2020 | ALTO | P | 3,811 | $3.53 | $13,453 | 20,000 Indirect | +23.54% | Acquired | 6.8% (price as of 2026-10-02) |
| Aug. 26, 2020 | ALTO | P | 16,089 | $3.53 | $56,794 | 16,189 Indirect | +16089.00% | Acquired | 6.8% (price as of 2026-10-02) |
| Aug. 26, 2020 | ALTO | P | 100 | $3.52 | $352 | 100 Indirect | · | Acquired | 7.1% (price as of 2026-10-02) |
| Aug. 26, 2020 | ALTO | P | 5,300 | $3.53 | $18,709 | 199,391 Direct | +2.73% | Acquired | 6.8% (price as of 2026-10-02) |
| Aug. 26, 2020 | ALTO | P | 5,000 | $3.32 | $16,600 | 194,091 Direct | +2.64% | Acquired | 13.6% (price as of 2026-10-02) |
| Aug. 26, 2020 | ALTO | P | 7,083 | $3.31 | $23,445 | 189,091 Direct | +3.89% | Acquired | 13.9% (price as of 2026-10-02) |
| Aug. 26, 2020 | ALTO | P | 100 | $3.30 | $330 | 182,008 Direct | +0.05% | Acquired | 14.2% (price as of 2026-10-02) |
| Aug. 26, 2020 | ALTO | P | 12,817 | $3.30 | $42,296 | 181,908 Direct | +7.58% | Acquired | 14.2% (price as of 2026-10-02) |
| Aug. 26, 2020 | ALTO | P | 2,500 | $3.37 | $8,425 | 169,091 Direct | +1.50% | Acquired | 11.9% (price as of 2026-10-02) |
| Aug. 25, 2020 | ALTO | P | 4,400 | $4.00 | $17,600 | 166,591 Direct | +2.71% | Acquired | -5.8% (price as of 2026-10-02) |
| Aug. 25, 2020 | ALTO | P | 100 | $4.00 | $400 | 162,191 Direct | +0.06% | Acquired | -5.8% (price as of 2026-10-02) |
| Aug. 25, 2020 | ALTO | P | 3,000 | $3.99 | $11,970 | 162,091 Direct | +1.89% | Acquired | -5.5% (price as of 2026-10-02) |
| Aug. 25, 2020 | ALTO | P | 2,500 | $4.02 | $10,050 | 159,091 Direct | +1.60% | Acquired | -6.2% (price as of 2026-10-02) |
| Aug. 24, 2020 | ALTO | P | 10,000 | $3.83 | $38,300 | 156,591 Direct | +6.82% | Acquired | -1.6% (price as of 2026-10-02) |
| Aug. 14, 2020 | ALTO | P | 50,000 | $3.42 | $171,000 | 146,591 Direct | +51.76% | Acquired | 10.2% (price as of 2026-10-02) |
| Aug. 13, 2020 | ALTO | P | 725 | $3.22 | $2,334 | 96,591 Direct | +0.76% | Acquired | 17.1% (price as of 2026-10-02) |
| Aug. 13, 2020 | ALTO | P | 3,000 | $3.22 | $9,660 | 95,866 Direct | +3.23% | Acquired | 17.1% (price as of 2026-10-02) |
| Aug. 13, 2020 | ALTO | P | 3,000 | $3.18 | $9,540 | 92,866 Direct | +3.34% | Acquired | 18.6% (price as of 2026-10-02) |
| May 22, 2020 | RCD | P | None | $8335.00 | · | · Direct | · | Acquired | -99.7% (price as of 2026-10-02) |
| May 21, 2020 | RCD | P | None | $16577.00 | · | · Direct | · | Acquired | -99.9% (price as of 2026-10-02) |
| May 14, 2020 | RCD | P | None | $7711.54 | · | · Direct | · | Acquired | -99.7% (price as of 2026-10-02) |
| March 19, 2020 | RCD | P | 2,000 | $5.94 | $11,880 | 14,324 Direct | +16.23% | Acquired | 284.3% (price as of 2026-10-02) |
| March 18, 2020 | RCD | P | 2,000 | $5.37 | $10,740 | 12,324 Direct | +19.37% | Acquired | 325.1% (price as of 2026-10-02) |
| March 10, 2020 | RCD | A | 6,268 | · | · | 10,324 Direct | +154.54% | Acquired | (price as of 2026-10-02) |
| Nov. 18, 2019 | ALTO | A | 31,666 | · | · | 89,866 Direct | +54.41% | Acquired | (price as of 2026-10-02) |
| June 11, 2019 | RCD | A | 4,056 | · | · | 4,056 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| May 11, 2021 | RCD | 7.00% Convertible Senior Notes due 2023 | Common stock | · | Aug. 11, 2023 | · | Disposed |
| May 22, 2020 | RCD | 7.00% Convertible Senior Notes due 2023 | Common Stock | · | Aug. 11, 2023 | · | Acquired |
| May 21, 2020 | RCD | 7.00% Convertible Senior Notes due 2023 | Common Stock | · | Aug. 11, 2023 | · | Acquired |
| May 14, 2020 | RCD | 7.00% Convertible Senior Notes due 2023 | Common Stock | · | Aug. 11, 2023 | · | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 23, 2023 | MX | Common Stock | 96,185 | Direct |
| May 23, 2023 | MX | Common Stock | 58,200 | Indirect |
| May 23, 2023 | MX | Common Stock | 1,905 | Indirect |
| May 23, 2023 | MX | Common Stock | 1,690 | Indirect |
| May 23, 2023 | MX | Common Stock | 1,675 | Indirect |
| May 23, 2023 | MX | Common Stock | 1,860 | Indirect |
| Nov. 15, 2019 | ALTO | Common Stock | 58,200 | Direct |