Gary W. Mize
Insider
First SEC filing: May 10, 2016 · Latest: May 29, 2026
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-250,614
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 27, 2026 | GEVO | A | 70,000 | · | · | 351,226 Direct | +24.89% | Acquired | (price as of 2026-10-02) |
| March 12, 2026 | GEVO | S | 107,100 | $2.34 | $250,614 | 281,226 Direct | -27.58% | Disposed | -44.0% (price as of 2026-10-02) |
| Aug. 18, 2025 | GEVO | M | 224,639 | $0.67 | $150,508 | 479,785 Direct | +88.04% | Acquired | 95.5% (price as of 2026-10-02) |
| Aug. 18, 2025 | GEVO | S | 91,459 | $1.68 | $153,651 | 388,326 Direct | -19.06% | Disposed | -22.0% (price as of 2026-10-02) |
| Aug. 18, 2025 | GEVO | M | 224,639 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 22, 2025 | GEVO | A | 134,517 | · | · | 134,517 Direct | · | Acquired | (price as of 2026-10-02) |
| May 7, 2025 | DAR | A | 4,549 | · | · | 46,293 Direct | +10.90% | Acquired | (price as of 2026-10-02) |
| May 23, 2024 | GEVO | A | 224,639 | · | · | 224,639 Direct | · | Acquired | (price as of 2026-10-02) |
| May 7, 2024 | DAR | A | 3,369 | · | · | 41,744 Direct | +8.78% | Acquired | (price as of 2026-10-02) |
| Aug. 11, 2023 | DAR | P | 1,550 | $63.97 | $99,154 | 38,375 Direct | +4.21% | Acquired | -1.6% (price as of 2026-10-02) |
| May 23, 2023 | GEVO | A | 100,807 | · | · | 255,146 Direct | +65.32% | Acquired | (price as of 2026-10-02) |
| May 9, 2023 | DAR | A | 2,571 | · | · | 36,825 Direct | +7.51% | Acquired | (price as of 2026-10-02) |
| Aug. 22, 2022 | GEVO | S 10b5-1 | 9,883 | $3.08 | $30,440 | 154,339 Direct | -6.02% | Disposed | -57.5% (price as of 2026-10-02) |
| July 7, 2022 | GEVO | S 10b5-1 | 15,260 | $2.53 | $38,608 | 164,222 Direct | -8.50% | Disposed | -48.2% (price as of 2026-10-02) |
| June 3, 2022 | GEVO | A | 27,353 | · | · | 179,482 Direct | +17.98% | Acquired | (price as of 2026-10-02) |
| May 10, 2022 | DAR | A | 1,817 | · | · | 34,254 Direct | +5.60% | Acquired | (price as of 2026-10-02) |
| March 24, 2022 | GEVO | P | 35,339 | $4.48 | $158,319 | 253,472 Direct | +16.20% | Acquired | -70.8% (price as of 2026-10-02) |
| March 24, 2022 | GEVO | S | 101,343 | $4.47 | $453,003 | 152,129 Direct | -39.98% | Disposed | -70.7% (price as of 2026-10-02) |
| Aug. 20, 2021 | GEVO | A | 65,886 | · | · | 218,133 Direct | +43.28% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2021 | GEVO | A | 65,885 | · | · | 65,885 Direct | · | Acquired | (price as of 2026-10-02) |
| May 11, 2021 | DAR | A | 1,908 | · | · | 32,437 Direct | +6.25% | Acquired | (price as of 2026-10-02) |
| July 6, 2020 | GEVO | A | 101,729 | · | · | 152,247 Direct | +201.37% | Acquired | (price as of 2026-10-02) |
| May 5, 2020 | DAR | A | 5,363 | · | · | 30,529 Direct | +21.31% | Acquired | (price as of 2026-10-02) |
| June 24, 2019 | GEVO | A | 39,474 | · | · | 50,518 Direct | +357.42% | Acquired | (price as of 2026-10-02) |
| May 7, 2019 | DAR | A | 5,299 | · | · | 25,166 Direct | +26.67% | Acquired | (price as of 2026-10-02) |
| Aug. 9, 2018 | GEVO | A | 11,000 | · | · | 11,044 Direct | +25000.00% | Acquired | (price as of 2026-10-02) |
| July 30, 2018 | GEVO | M | 1 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 30, 2018 | GEVO | M | 1 | · | · | 44 Direct | +2.33% | Acquired | (price as of 2026-10-02) |
| June 29, 2018 | GEVO | M | 1 | · | · | 1 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| June 29, 2018 | GEVO | M | 1 | · | · | 43 Direct | +2.38% | Acquired | (price as of 2026-10-02) |
| May 29, 2018 | GEVO | M | 18 | · | · | 33 Direct | -35.29% | Disposed | (price as of 2026-10-02) |
| May 29, 2018 | GEVO | F | 5 | $0.24 | $1 | 832 Direct | -0.60% | Disposed | -72.7% (price as of 2026-10-02) |
| May 29, 2018 | GEVO | M | 18 | · | · | 837 Direct | +2.20% | Acquired | (price as of 2026-10-02) |
| May 8, 2018 | DAR | A | 6,567 | · | · | 19,867 Direct | +49.38% | Acquired | (price as of 2026-10-02) |
| April 30, 2018 | GEVO | M | 18 | · | · | 51 Direct | -26.09% | Disposed | (price as of 2026-10-02) |
| April 30, 2018 | GEVO | F | 5 | $0.36 | $2 | 819 Direct | -0.61% | Disposed | -81.8% (price as of 2026-10-02) |
| April 30, 2018 | GEVO | M | 18 | · | · | 824 Direct | +2.23% | Acquired | (price as of 2026-10-02) |
| March 29, 2018 | GEVO | M | 18 | · | · | 811 Direct | +2.27% | Acquired | (price as of 2026-10-02) |
| March 29, 2018 | GEVO | M | 18 | · | · | 69 Direct | -20.69% | Disposed | (price as of 2026-10-02) |
| March 29, 2018 | GEVO | F | 5 | $0.46 | $2 | 806 Direct | -0.62% | Disposed | -85.8% (price as of 2026-10-02) |
| Feb. 28, 2018 | GEVO | M | 18 | · | · | 798 Direct | +2.31% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2018 | GEVO | F | 5 | $0.45 | $2 | 793 Direct | -0.63% | Disposed | -85.4% (price as of 2026-10-02) |
| Feb. 28, 2018 | GEVO | M | 18 | · | · | 87 Direct | -17.14% | Disposed | (price as of 2026-10-02) |
| Jan. 29, 2018 | GEVO | M | 18 | · | · | 105 Direct | -14.63% | Disposed | (price as of 2026-10-02) |
| Jan. 29, 2018 | GEVO | F | 5 | $0.55 | $3 | 780 Direct | -0.64% | Disposed | -88.1% (price as of 2026-10-02) |
| Jan. 29, 2018 | GEVO | M | 18 | · | · | 785 Direct | +2.35% | Acquired | (price as of 2026-10-02) |
| Dec. 29, 2017 | GEVO | M | 18 | · | · | 123 Direct | -12.77% | Disposed | (price as of 2026-10-02) |
| Dec. 29, 2017 | GEVO | F | 5 | $0.59 | $3 | 767 Direct | -0.65% | Disposed | -88.9% (price as of 2026-10-02) |
| Dec. 29, 2017 | GEVO | M | 18 | · | · | 772 Direct | +2.39% | Acquired | (price as of 2026-10-02) |
| Nov. 29, 2017 | GEVO | M | 18 | · | · | 141 Direct | -11.32% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2017 | GEVO | F | 5 | $0.63 | $3 | 754 Direct | -0.66% | Disposed | -89.6% (price as of 2026-10-02) |
| Nov. 29, 2017 | GEVO | M | 18 | · | · | 759 Direct | +2.43% | Acquired | (price as of 2026-10-02) |
| Oct. 30, 2017 | GEVO | M | 18 | · | · | 159 Direct | -10.17% | Disposed | (price as of 2026-10-02) |
| Oct. 30, 2017 | GEVO | F | 5 | $0.65 | $3 | 741 Direct | -0.67% | Disposed | -89.9% (price as of 2026-10-02) |
| Oct. 30, 2017 | GEVO | M | 18 | · | · | 746 Direct | +2.47% | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2017 | GEVO | M | 18 | · | · | 177 Direct | -9.23% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2017 | GEVO | F | 5 | $0.62 | $3 | 728 Direct | -0.68% | Disposed | -89.4% (price as of 2026-10-02) |
| Sept. 29, 2017 | GEVO | M | 18 | · | · | 733 Direct | +2.52% | Acquired | (price as of 2026-10-02) |
| Aug. 29, 2017 | GEVO | M | 18 | · | · | 720 Direct | +2.56% | Acquired | (price as of 2026-10-02) |
| Aug. 29, 2017 | GEVO | M | 18 | · | · | 195 Direct | -8.45% | Disposed | (price as of 2026-10-02) |
| Aug. 29, 2017 | GEVO | F | 5 | $0.59 | $3 | 715 Direct | -0.69% | Disposed | -88.9% (price as of 2026-10-02) |
| July 31, 2017 | GEVO | M | 18 | · | · | 213 Direct | -7.79% | Disposed | (price as of 2026-10-02) |
| July 31, 2017 | GEVO | F | 5 | $0.65 | $3 | 702 Direct | -0.71% | Disposed | -89.9% (price as of 2026-10-02) |
| July 31, 2017 | GEVO | M | 18 | · | · | 707 Direct | +2.61% | Acquired | (price as of 2026-10-02) |
| June 29, 2017 | GEVO | M | 18 | · | · | 231 Direct | -7.23% | Disposed | (price as of 2026-10-02) |
| June 29, 2017 | GEVO | F | 5 | $0.73 | $4 | 689 Direct | -0.72% | Disposed | -91.0% (price as of 2026-10-02) |
| June 29, 2017 | GEVO | M | 18 | · | · | 694 Direct | +2.66% | Acquired | (price as of 2026-10-02) |
| May 30, 2017 | GEVO | M | 18 | · | · | 249 Direct | -6.74% | Disposed | (price as of 2026-10-02) |
| May 30, 2017 | GEVO | F | 5 | $0.67 | $3 | 676 Direct | -0.73% | Disposed | -90.2% (price as of 2026-10-02) |
| May 30, 2017 | GEVO | M | 18 | · | · | 681 Direct | +2.71% | Acquired | (price as of 2026-10-02) |
| May 9, 2017 | DAR | A | 7,097 | · | · | 13,300 Direct | +114.41% | Acquired | (price as of 2026-10-02) |
| May 1, 2017 | GEVO | M | 18 | · | · | 668 Direct | +2.77% | Acquired | (price as of 2026-10-02) |
| May 1, 2017 | GEVO | F | 5 | $1.02 | $5 | 663 Direct | -0.75% | Disposed | -93.6% (price as of 2026-10-02) |
| May 1, 2017 | GEVO | M | 18 | · | · | 267 Direct | -6.32% | Disposed | (price as of 2026-10-02) |
| March 29, 2017 | GEVO | M | 18 | · | · | 285 Direct | -5.94% | Disposed | (price as of 2026-10-02) |
| March 29, 2017 | GEVO | F | 5 | $1.17 | $6 | 650 Direct | -0.76% | Disposed | -94.4% (price as of 2026-10-02) |
| March 29, 2017 | GEVO | M | 18 | · | · | 655 Direct | +2.83% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2017 | GEVO | M | 18 | · | · | 642 Direct | +2.88% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2017 | GEVO | F | 5 | $1.01 | $5 | 637 Direct | -0.78% | Disposed | -93.5% (price as of 2026-10-02) |
| Feb. 28, 2017 | GEVO | M | 18 | · | · | 303 Direct | -5.61% | Disposed | (price as of 2026-10-02) |
| Jan. 30, 2017 | GEVO | M | 18 | · | · | 321 Direct | -5.31% | Disposed | (price as of 2026-10-02) |
| Jan. 30, 2017 | GEVO | F | 5 | $2.87 | $14 | 624 Direct | -0.79% | Disposed | -97.7% (price as of 2026-10-02) |
| Jan. 30, 2017 | GEVO | M | 18 | · | · | 629 Direct | +2.95% | Acquired | (price as of 2026-10-02) |
| Dec. 29, 2016 | GEVO | M | 357 | · | · | 6,773 Direct | -5.01% | Disposed | (price as of 2026-10-02) |
| Dec. 29, 2016 | GEVO | F | 114 | $0.20 | $23 | 12,211 Direct | -0.92% | Disposed | -98.4% (price as of 2026-10-02) |
| Dec. 29, 2016 | GEVO | M | 357 | · | · | 12,325 Direct | +2.98% | Acquired | (price as of 2026-10-02) |
| Nov. 29, 2016 | GEVO | M | 357 | · | · | 12,082 Direct | +3.04% | Acquired | (price as of 2026-10-02) |
| Nov. 29, 2016 | GEVO | M | 357 | · | · | 7,130 Direct | -4.77% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2016 | GEVO | F | 114 | $0.33 | $38 | 11,968 Direct | -0.94% | Disposed | -99.0% (price as of 2026-10-02) |
| Oct. 31, 2016 | GEVO | M | 357 | · | · | 7,487 Direct | -4.55% | Disposed | (price as of 2026-10-02) |
| Oct. 31, 2016 | GEVO | F | 114 | $0.40 | $46 | 11,725 Direct | -0.96% | Disposed | -99.2% (price as of 2026-10-02) |
| Oct. 31, 2016 | GEVO | M | 357 | · | · | 11,839 Direct | +3.11% | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2016 | GEVO | M | 357 | · | · | 7,844 Direct | -4.35% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2016 | GEVO | F | 114 | $0.49 | $56 | 11,482 Direct | -0.98% | Disposed | -99.3% (price as of 2026-10-02) |
| Sept. 29, 2016 | GEVO | M | 357 | · | · | 11,596 Direct | +3.18% | Acquired | (price as of 2026-10-02) |
| Aug. 29, 2016 | GEVO | M | 357 | · | · | 8,201 Direct | -4.17% | Disposed | (price as of 2026-10-02) |
| Aug. 29, 2016 | GEVO | F | 114 | $0.59 | $67 | 11,239 Direct | -1.00% | Disposed | -99.4% (price as of 2026-10-02) |
| Aug. 29, 2016 | GEVO | M | 357 | · | · | 11,353 Direct | +3.25% | Acquired | (price as of 2026-10-02) |
| July 29, 2016 | GEVO | M | 357 | · | · | 8,558 Direct | -4.00% | Disposed | (price as of 2026-10-02) |
| July 29, 2016 | GEVO | F | 114 | $0.53 | $60 | 10,996 Direct | -1.03% | Disposed | -99.4% (price as of 2026-10-02) |
Showing latest 100 of 146 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 |
|---|---|---|---|---|---|---|---|
| Aug. 18, 2025 | GEVO | Stock Option | Common Stock | $0.67 | May 22, 2034 | 224,639 | Disposed |
| May 22, 2025 | GEVO | Stock Option | Common Stock | $1.08 | May 22, 2035 | 134,517 | Acquired |
| May 23, 2024 | GEVO | Stock Option | Common Stock | $0.67 | May 22, 2034 | 224,639 | Acquired |
| Aug. 20, 2021 | GEVO | Stock Option | Common Stock | $4.98 | Aug. 19, 2031 | 65,885 | Acquired |
| July 30, 2018 | GEVO | Restricted Stock Units | Common Stock | · | · | 1 | Disposed |
| June 29, 2018 | GEVO | Restricted Stock Units | Common Stock | · | · | 1 | Disposed |
| May 29, 2018 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| April 30, 2018 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| March 29, 2018 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Feb. 28, 2018 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Jan. 29, 2018 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Dec. 29, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Nov. 29, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Oct. 30, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Sept. 29, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Aug. 29, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| July 31, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| June 29, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| May 30, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| May 1, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| March 29, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Feb. 28, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Jan. 30, 2017 | GEVO | Restricted Stock Units | Common Stock | · | · | 18 | Disposed |
| Dec. 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Nov. 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Oct. 31, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Sept. 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Aug. 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| July 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| June 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| May 31, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| April 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| March 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Feb. 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Jan. 29, 2016 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Dec. 29, 2015 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Nov. 29, 2015 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Oct. 29, 2015 | GEVO | Restricted Stock Units | Common Stock | · | · | 357 | Disposed |
| Oct. 5, 2015 | GEVO | Restricted Stock Units | Common Stock | · | · | 714 | Disposed |
| Oct. 5, 2015 | GEVO | Non-Qualified Stock Option | Common Stock | $2.19 | July 29, 2015 | 13,993 | Acquired |
| Oct. 5, 2015 | GEVO | Restricted Stock Units | Common Stock | · | · | 12,842 | Acquired |
| March 12, 2014 | GEVO | Non-Qualified Stock Option (right to buy) | Common Stock | $1.46 | March 12, 2024 | 67,204 | Acquired |
| Dec. 16, 2013 | GEVO | Common Stock Warrant (right to buy) | Common Stock | · | Dec. 16, 2018 | 18,519 | Acquired |
| March 21, 2013 | GEVO | Non-Qualified Stock Option (right to buy) | Common Stock | $1.89 | March 15, 2023 | 6,250 | Acquired |
| March 14, 2012 | GEVO | Non-Qualified Stock Option (right to buy) | Common Stock | $9.41 | March 14, 2022 | 6,250 | Acquired |
| Sept. 15, 2011 | GEVO | Non-Qualified Stock Option (right to buy) | Common Stock | $8.73 | Sept. 15, 2021 | 10,828 | Acquired |
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 |
|---|---|---|---|---|
| May 10, 2016 | DAR | No securities beneficially owned | 0 | Direct |