Sanjeev Gupta
Insider
First SEC filing: March 23, 2026 · Latest: March 23, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 19, 2026 | AMTX | A | 200,000 | $2.64 | $528,000 | 1,385,000 Direct | +16.88% | Acquired | -35.4% (price as of 2026-10-05) |
| Jan. 16, 2025 | AMTX | A | 34,432 | · | · | 1,039,432 Direct | +3.43% | Acquired | (price as of 2026-10-05) |
| Jan. 16, 2025 | AMTX | A | 165,568 | · | · | 1,205,000 Direct | +15.93% | Acquired | (price as of 2026-10-05) |
| Jan. 18, 2024 | AMTX | A | 200,000 | · | · | 1,005,000 Direct | +24.84% | Acquired | (price as of 2026-10-05) |
| Jan. 5, 2023 | AMTX | A | 12,500 | $3.75 | $46,875 | 12,500 Direct | · | Acquired | -54.5% (price as of 2026-10-05) |
| Jan. 5, 2023 | AMTX | A | 137,500 | $3.75 | $515,625 | 137,500 Direct | · | Acquired | -54.5% (price as of 2026-10-05) |
| Aug. 18, 2022 | AMTX | A | 50,000 | $10.11 | $505,500 | 50,000 Direct | · | Acquired | -83.1% (price as of 2026-10-05) |
| Jan. 6, 2022 | AMTX | A | 100,000 | $11.31 | $1,131,000 | 100,000 Direct | · | Acquired | -84.9% (price as of 2026-10-05) |
| Nov. 18, 2021 | AMTX | A | 9,434 | · | · | 9,434 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2021 | AMTX | A | 3,066 | · | · | 3,066 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 16, 2021 | AMTX | M | 100,000 | $1.72 | $172,000 | 113,014 Direct | +768.40% | Acquired | -0.9% (price as of 2026-10-05) |
| Sept. 16, 2021 | AMTX | F | 12,122 | $14.19 | $172,011 | 100,892 Direct | -10.73% | Disposed | -88.0% (price as of 2026-10-05) |
| Sept. 16, 2021 | AMTX | M | 24,800 | $0.60 | $14,880 | 125,692 Direct | +24.58% | Acquired | 184.2% (price as of 2026-10-05) |
| Sept. 16, 2021 | AMTX | F | 1,049 | $14.19 | $14,885 | 124,643 Direct | -0.83% | Disposed | -88.0% (price as of 2026-10-05) |
| Sept. 16, 2021 | AMTX | S | 23,751 | $14.37 | $341,302 | 100,892 Direct | -19.06% | Disposed | -88.1% (price as of 2026-10-05) |
| Sept. 16, 2021 | AMTX | S | 87,878 | $14.37 | $1,262,807 | 13,014 Direct | -87.10% | Disposed | -88.1% (price as of 2026-10-05) |
| Sept. 16, 2021 | AMTX | S | 12,871 | $14.37 | $184,956 | 143 Direct | -98.90% | Disposed | -88.1% (price as of 2026-10-05) |
| Sept. 16, 2021 | AMTX | M | 100,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 16, 2021 | AMTX | M | 24,800 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 15, 2021 | AMTX | S | 50,000 | $14.25 | $712,500 | 13,014 Direct | -79.35% | Disposed | -88.0% (price as of 2026-10-05) |
| Sept. 15, 2021 | AMTX | F | 7,875 | $13.03 | $102,611 | 63,014 Direct | -11.11% | Disposed | -86.9% (price as of 2026-10-05) |
| Sept. 15, 2021 | AMTX | M | 60,000 | $1.71 | $102,600 | 70,889 Direct | +551.01% | Acquired | -0.3% (price as of 2026-10-05) |
| Sept. 15, 2021 | AMTX | M | 60,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 16, 2021 | AMTX | F | 13,835 | $13.77 | $190,508 | 64,158 Direct | -17.74% | Disposed | -87.6% (price as of 2026-10-05) |
| June 16, 2021 | AMTX | S | 53,269 | $14.21 | $756,952 | 10,889 Direct | -83.03% | Disposed | -88.0% (price as of 2026-10-05) |
| June 16, 2021 | AMTX | D | 53,269 | $14.21 | $756,952 | 21,731 Direct | -71.03% | Disposed | -88.0% (price as of 2026-10-05) |
| April 19, 2021 | AMTX | F | 1,192 | $18.99 | $22,636 | 39,442 Direct | -2.93% | Disposed | -91.0% (price as of 2026-10-05) |
| April 19, 2021 | AMTX | S | 36,449 | $20.08 | $731,896 | 2,993 Direct | -92.41% | Disposed | -91.5% (price as of 2026-10-05) |
| April 19, 2021 | AMTX | D | 36,449 | $20.08 | $731,896 | 113,551 Direct | -24.30% | Disposed | -91.5% (price as of 2026-10-05) |
| March 17, 2021 | AMTX | S | 91,270 | $18.92 | $1,726,828 | 2,934 Direct | -96.89% | Disposed | -91.0% (price as of 2026-10-05) |
| March 17, 2021 | AMTX | D | 15,823 | $18.92 | $299,371 | 4,177 Direct | -79.12% | Disposed | -91.0% (price as of 2026-10-05) |
| March 17, 2021 | AMTX | D | 26,101 | $18.92 | $493,831 | 3,899 Direct | -87.00% | Disposed | -91.0% (price as of 2026-10-05) |
| March 17, 2021 | AMTX | D | 49,346 | $18.92 | $933,626 | 3,361 Direct | -93.62% | Disposed | -91.0% (price as of 2026-10-05) |
| March 16, 2021 | AMTX | S | 47,293 | $19.54 | $924,105 | 94,204 Direct | -33.42% | Disposed | -91.3% (price as of 2026-10-05) |
| March 16, 2021 | AMTX | D | 10,035 | $19.54 | $196,084 | 0 Direct | -100.00% | Disposed | -91.3% (price as of 2026-10-05) |
| March 16, 2021 | AMTX | D | 47,293 | $19.54 | $924,105 | 52,707 Direct | -47.29% | Disposed | -91.3% (price as of 2026-10-05) |
| March 15, 2021 | AMTX | D | 50,885 | $19.92 | $1,013,629 | 0 Direct | -100.00% | Disposed | -91.4% (price as of 2026-10-05) |
| March 13, 2021 | AMTX | F | 8,503 | $20.83 | $177,117 | 141,497 Direct | -5.67% | Disposed | -91.8% (price as of 2026-10-05) |
| Jan. 7, 2021 | AMTX | A | 125,000 | · | · | 125,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 28, 2020 | AMTX | A | 150,000 | $0.60 | $90,000 | 150,000 Direct | · | Acquired | 184.2% (price as of 2026-10-05) |
| Jan. 9, 2020 | AMTX | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 6, 2019 | AMTX | A | 60,000 | · | · | 60,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 8, 2019 | AMTX | A | 100,000 | $0.70 | $70,000 | 100,000 Direct | · | Acquired | 143.6% (price as of 2026-10-05) |
| May 17, 2018 | AMTX | A | 60,000 | · | · | 60,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 18, 2018 | AMTX | A | 100,000 | $0.70 | $70,000 | 100,000 Direct | · | Acquired | 143.6% (price as of 2026-10-05) |
| Nov. 16, 2017 | AMTX | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 19, 2017 | AMTX | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 19, 2016 | AMTX | A | 75,000 | · | · | 75,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 10, 2015 | AMTX | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 21, 2015 | AMTX | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 16, 2015 | AMTX | X | 10,000 | $2.10 | $21,000 | 0 Direct | -100.00% | Disposed | 224.8% (price as of 2026-10-05) |
| March 16, 2015 | AMTX | X | 4,642 | $2.10 | $9,748 | 60,920 Direct | +8.25% | Acquired | 224.8% (price as of 2026-10-05) |
| Dec. 15, 2014 | AMTX | A | 10,000 | $46600.00 | $466,000,000 | 10,000 Direct | · | Acquired | -100.0% (price as of 2026-10-05) |
| May 19, 2014 | AMTX | X | 50,000 | $1.60 | $80,000 | 0 Direct | -100.00% | Disposed | 326.3% (price as of 2026-10-05) |
| May 19, 2014 | AMTX | X | 36,278 | $1.60 | $58,045 | 56,278 Direct | +181.39% | Acquired | 326.3% (price as of 2026-10-05) |
| March 13, 2014 | AMTX | A | 150,000 | · | · | 2,050,000 Direct | +7.89% | Acquired | (price as of 2026-10-05) |
| Aug. 2, 2013 | AMTX | A | 300,000 | $0.40 | $120,000 | 464,650 Direct | +182.20% | Acquired | 70.5% (price as of 2026-10-05) |
| March 14, 2013 | AMTX | A | 300,000 | · | · | 1,275,350 Direct | +30.76% | Acquired | (price as of 2026-10-05) |
| Nov. 26, 2012 | AMTX | J | 60,000 | · | · | 975,350 Direct | -5.80% | Disposed | (price as of 2026-10-05) |
| Nov. 5, 2012 | AMTX | A | 300,000 | · | · | 1,035,350 Direct | +40.80% | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| March 19, 2026 | AMTX | Option (right to buy) | Common Stock | $2.64 | March 19, 2036 | 200,000 | Acquired |
| Jan. 16, 2025 | AMTX | Option (right to buy) | Common Stock | $2.73 | Jan. 16, 2035 | 34,432 | Acquired |
| Jan. 16, 2025 | AMTX | Option (right to buy) | Common Stock | $2.73 | Jan. 16, 2035 | 165,568 | Acquired |
| Jan. 18, 2024 | AMTX | Option (right to buy) | Common stock and Series B Preferred [F2] | $3.09 | Jan. 18, 2034 | 200,000 | Acquired |
| Jan. 5, 2023 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $3.75 | Jan. 5, 2033 | 12,500 | Acquired |
| Jan. 5, 2023 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $3.75 | Jan. 5, 2033 | 137,500 | Acquired |
| Aug. 18, 2022 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $10.11 | Aug. 18, 2032 | 50,000 | Acquired |
| Jan. 6, 2022 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $11.31 | Jan. 6, 2032 | 100,000 | Acquired |
| Nov. 18, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $18.53 | Nov. 18, 2031 | 9,434 | Acquired |
| Nov. 18, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $18.53 | Nov. 18, 2031 | 3,066 | Acquired |
| Sept. 16, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $1.72 | Jan. 19, 2027 | 100,000 | Disposed |
| Sept. 16, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.60 | March 28, 2030 | 24,800 | Disposed |
| Sept. 15, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $1.71 | May 17, 2023 | 60,000 | Disposed |
| June 16, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $2.54 | May 21, 2026 | 53,269 | Disposed |
| April 19, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.60 | March 28, 2030 | 36,449 | Disposed |
| March 17, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $4.35 | May 21, 2022 | 15,823 | Disposed |
| March 17, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.67 | Nov. 16, 2027 | 26,101 | Disposed |
| March 17, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.70 | Jan. 18, 2028 | 49,346 | Disposed |
| March 16, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.70 | Jan. 18, 2028 | 47,293 | Disposed |
| Jan. 7, 2021 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $3.09 | Jan. 7, 2031 | 125,000 | Acquired |
| March 28, 2020 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.60 | March 28, 2030 | 150,000 | Acquired |
| Jan. 9, 2020 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.86 | Jan. 9, 2030 | 100,000 | Acquired |
| June 6, 2019 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.92 | June 5, 2029 | 60,000 | Acquired |
| Jan. 8, 2019 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.70 | Jan. 7, 2029 | 100,000 | Acquired |
| May 17, 2018 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $1.71 | May 17, 2023 | 60,000 | Acquired |
| Jan. 18, 2018 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $0.70 | Jan. 18, 2028 | 100,000 | Acquired |
| Nov. 16, 2017 | AMTX | Option (right to buy) | Common stock and Series B Preferred | · | Nov. 16, 2027 | 30,000 | Acquired |
| Jan. 19, 2017 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $1.72 | Jan. 19, 2027 | 100,000 | Acquired |
| May 19, 2016 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $2.54 | May 21, 2026 | 75,000 | Acquired |
| Dec. 10, 2015 | AMTX | Warrant (right to buy) | Common stock and Series B Preferred | $2.59 | Dec. 10, 2025 | 20,000 | Acquired |
| May 21, 2015 | AMTX | Option (right to buy) | Common stock and Series B Preferred | $4.35 | May 21, 2022 | 20,000 | Acquired |
| March 16, 2015 | AMTX | Incentive Stock Option | Common Stock | $2.10 | March 17, 2015 | 10,000 | Disposed |
| Dec. 15, 2014 | AMTX | Incentive Stock Option (right to buy) | Common Stock | $4.66 | Dec. 15, 2019 | 10,000 | Acquired |
| May 19, 2014 | AMTX | Incentive Stock Option | Common Stock | $1.60 | May 20, 2014 | 50,000 | Disposed |
| March 13, 2014 | AMTX | Incentive stock option (Right to Buy) | Common Stock | $0.42 | March 13, 2019 | 150,000 | Acquired |
| Aug. 2, 2013 | AMTX | Common stock warrant | Common Stock | $0.40 | Aug. 2, 2018 | 300,000 | Acquired |
| March 14, 2013 | AMTX | Incentive Stock Option (Right to Buy) | Common Stock | $0.65 | March 14, 2018 | 300,000 | Acquired |
| Nov. 26, 2012 | AMTX | Incentive Stock Option (Right to Buy) | Common Stock | $3.00 | Nov. 26, 2012 | 60,000 | Disposed |
| Nov. 5, 2012 | AMTX | Incentive Stock Option (Right to Buy) | Common Stock | $0.55 | Nov. 5, 2017 | 300,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 | $400,000 | $125,000 | · | $464,000 | · | · | $14,000 | $1,003,000 |
| 2024 | $280,000 | $0 | · | $527,534 | · | · | $11,200 | $818,734 |
| 2023 | $280,000 | $300,000 | · | $514,694 | · | · | $10,733 | $1,105,427 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.