Todd M Duchene
First SEC filing: June 10, 2026 · Latest: June 10, 2026
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 1, 2026 | CORZ | F | 8,228 | $15.98 | $131,483 | 1,179,668 Direct | -0.69% | Disposed | 3.9% (price as of 2026-10-05) |
| Sept. 28, 2026 | CORZ | S 10b5-1 | 10,000 | $16.76 | $167,600 | 1,187,896 Direct | -0.83% | Disposed | -1.0% (price as of 2026-10-05) |
| Sept. 21, 2026 | CORZ | S 10b5-1 | 10,000 | $18.37 | $183,700 | 1,197,896 Direct | -0.83% | Disposed | -9.6% (price as of 2026-10-05) |
| Sept. 14, 2026 | CORZ | S 10b5-1 | 10,000 | $17.14 | $171,400 | 1,207,896 Direct | -0.82% | Disposed | -3.2% (price as of 2026-10-05) |
| Sept. 9, 2026 | CORZ | G | 95,000 | · | · | 422,133 Direct | -18.37% | Disposed | (price as of 2026-10-05) |
| Sept. 8, 2026 | CORZ | S 10b5-1 | 10,000 | $18.67 | $186,700 | 1,217,896 Direct | -0.81% | Disposed | -11.1% (price as of 2026-10-05) |
| Aug. 31, 2026 | CORZ | S 10b5-1 | 10,000 | $16.23 | $162,300 | 1,927,896 Direct | -0.52% | Disposed | 2.3% (price as of 2026-10-05) |
| Aug. 24, 2026 | CORZ | S 10b5-1 | 10,000 | $17.45 | $174,500 | 1,937,896 Direct | -0.51% | Disposed | -4.9% (price as of 2026-10-05) |
| Aug. 17, 2026 | CORZ | S 10b5-1 | 10,000 | $20.10 | $201,000 | 1,959,101 Direct | -0.51% | Disposed | -17.4% (price as of 2026-10-05) |
| Aug. 17, 2026 | CORZ | F | 11,205 | $20.13 | $225,557 | 1,947,896 Direct | -0.57% | Disposed | -17.5% (price as of 2026-10-05) |
| Aug. 10, 2026 | CORZ | S 10b5-1 | 9,000 | $19.90 | $179,100 | 1,970,101 Direct | -0.45% | Disposed | -16.6% (price as of 2026-10-05) |
| Aug. 10, 2026 | CORZ | S 10b5-1 | 1,000 | $20.65 | $20,650 | 1,969,101 Direct | -0.05% | Disposed | -19.6% (price as of 2026-10-05) |
| Aug. 3, 2026 | CORZ | S 10b5-1 | 1,000 | $20.39 | $20,390 | 1,988,101 Direct | -0.05% | Disposed | -18.6% (price as of 2026-10-05) |
| Aug. 3, 2026 | CORZ | S 10b5-1 | 1,500 | $21.55 | $32,325 | 1,986,601 Direct | -0.08% | Disposed | -23.0% (price as of 2026-10-05) |
| Aug. 3, 2026 | CORZ | S 10b5-1 | 7,500 | $22.62 | $169,650 | 1,979,101 Direct | -0.38% | Disposed | -26.6% (price as of 2026-10-05) |
| July 27, 2026 | CORZ | S 10b5-1 | 100 | $22.49 | $2,249 | 1,989,101 Direct | -0.01% | Disposed | -26.2% (price as of 2026-10-05) |
| July 27, 2026 | CORZ | S 10b5-1 | 1,600 | $21.89 | $35,024 | 1,989,201 Direct | -0.08% | Disposed | -24.2% (price as of 2026-10-05) |
| July 27, 2026 | CORZ | S 10b5-1 | 8,300 | $20.75 | $172,225 | 1,990,801 Direct | -0.42% | Disposed | -20.0% (price as of 2026-10-05) |
| July 20, 2026 | CORZ | S 10b5-1 | 10,000 | $22.30 | $223,000 | 1,999,101 Direct | -0.50% | Disposed | -25.6% (price as of 2026-10-05) |
| July 16, 2026 | CORZ | F | 4,325 | $22.72 | $98,264 | 2,009,101 Direct | -0.21% | Disposed | -26.9% (price as of 2026-10-05) |
| July 13, 2026 | CORZ | S 10b5-1 | 300 | $23.01 | $6,903 | 2,013,426 Direct | -0.01% | Disposed | -27.9% (price as of 2026-10-05) |
| July 13, 2026 | CORZ | S 10b5-1 | 9,700 | $22.43 | $217,571 | 2,013,726 Direct | -0.48% | Disposed | -26.0% (price as of 2026-10-05) |
| July 6, 2026 | CORZ | S 10b5-1 | 10,000 | $22.63 | $226,300 | 2,023,426 Direct | -0.49% | Disposed | -26.6% (price as of 2026-10-05) |
| June 30, 2026 | CORZ | F | 5,469 | $25.59 | $139,952 | 2,033,426 Direct | -0.27% | Disposed | -35.1% (price as of 2026-10-05) |
| June 29, 2026 | CORZ | S 10b5-1 | 8,800 | $25.99 | $228,712 | 2,040,095 Direct | -0.43% | Disposed | -36.1% (price as of 2026-10-05) |
| June 29, 2026 | CORZ | S 10b5-1 | 100 | $27.95 | $2,795 | 2,038,895 Direct | 0.00% | Disposed | -40.6% (price as of 2026-10-05) |
| June 29, 2026 | CORZ | S 10b5-1 | 1,100 | $27.42 | $30,162 | 2,038,995 Direct | -0.05% | Disposed | -39.5% (price as of 2026-10-05) |
| June 22, 2026 | CORZ | S 10b5-1 | 2,400 | $29.88 | $71,712 | 2,048,895 Direct | -0.12% | Disposed | -44.4% (price as of 2026-10-05) |
| June 22, 2026 | CORZ | S 10b5-1 | 7,600 | $29.11 | $221,236 | 2,051,295 Direct | -0.37% | Disposed | -43.0% (price as of 2026-10-05) |
| June 15, 2026 | CORZ | S 10b5-1 | 100 | $28.79 | $2,879 | 2,058,895 Direct | 0.00% | Disposed | -42.3% (price as of 2026-10-05) |
| June 15, 2026 | CORZ | S 10b5-1 | 9,900 | $28.19 | $279,081 | 2,058,995 Direct | -0.48% | Disposed | -41.1% (price as of 2026-10-05) |
| June 8, 2026 | CORZ | S 10b5-1 | 4,500 | $27.11 | $121,995 | 2,068,895 Direct | -0.22% | Disposed | -38.8% (price as of 2026-10-05) |
| June 8, 2026 | CORZ | S 10b5-1 | 5,500 | $26.64 | $146,520 | 2,073,395 Direct | -0.26% | Disposed | -37.7% (price as of 2026-10-05) |
| June 1, 2026 | CORZ | S 10b5-1 | 5,500 | $28.76 | $158,180 | 2,078,895 Direct | -0.26% | Disposed | -42.3% (price as of 2026-10-05) |
| June 1, 2026 | CORZ | S 10b5-1 | 3,200 | $28.27 | $90,464 | 2,084,395 Direct | -0.15% | Disposed | -41.3% (price as of 2026-10-05) |
| June 1, 2026 | CORZ | S 10b5-1 | 1,300 | $26.93 | $35,009 | 2,087,595 Direct | -0.06% | Disposed | -38.4% (price as of 2026-10-05) |
| May 26, 2026 | CORZ | S 10b5-1 | 10,000 | $26.25 | $262,500 | 2,088,895 Direct | -0.48% | Disposed | -36.8% (price as of 2026-10-05) |
| May 20, 2026 | CORZ | A | 138,547 | · | · | 2,098,895 Direct | +7.07% | Acquired | (price as of 2026-10-05) |
| May 18, 2026 | CORZ | S 10b5-1 | 400 | $23.76 | $9,504 | 1,960,348 Direct | -0.02% | Disposed | -30.1% (price as of 2026-10-05) |
| May 18, 2026 | CORZ | S 10b5-1 | 9,600 | $23.12 | $221,952 | 1,960,748 Direct | -0.49% | Disposed | -28.2% (price as of 2026-10-05) |
| May 11, 2026 | CORZ | S 10b5-1 | 7,400 | $23.39 | $173,086 | 1,970,348 Direct | -0.37% | Disposed | -29.0% (price as of 2026-10-05) |
| May 11, 2026 | CORZ | S 10b5-1 | 2,600 | $22.82 | $59,332 | 1,977,748 Direct | -0.13% | Disposed | -27.3% (price as of 2026-10-05) |
| May 4, 2026 | CORZ | S 10b5-1 | 100 | $21.53 | $2,153 | 1,980,348 Direct | -0.01% | Disposed | -22.9% (price as of 2026-10-05) |
| May 4, 2026 | CORZ | S 10b5-1 | 9,900 | $20.85 | $206,415 | 1,980,448 Direct | -0.50% | Disposed | -20.4% (price as of 2026-10-05) |
| April 27, 2026 | CORZ | S 10b5-1 | 10,000 | $20.94 | $209,400 | 1,990,348 Direct | -0.50% | Disposed | -20.7% (price as of 2026-10-05) |
| April 20, 2026 | CORZ | S 10b5-1 | 10,000 | $19.80 | $198,000 | 2,000,348 Direct | -0.50% | Disposed | -16.2% (price as of 2026-10-05) |
| April 16, 2026 | CORZ | F | 16,741 | $19.08 | $319,418 | 2,010,348 Direct | -0.83% | Disposed | -13.0% (price as of 2026-10-05) |
| April 13, 2026 | CORZ | S 10b5-1 | 400 | $18.99 | $7,596 | 2,027,089 Direct | -0.02% | Disposed | -12.6% (price as of 2026-10-05) |
| April 13, 2026 | CORZ | S 10b5-1 | 9,600 | $18.61 | $178,656 | 2,027,489 Direct | -0.47% | Disposed | -10.8% (price as of 2026-10-05) |
| April 6, 2026 | CORZ | S 10b5-1 | 10,000 | $16.49 | $164,900 | 2,037,089 Direct | -0.49% | Disposed | 0.7% (price as of 2026-10-05) |
| April 1, 2026 | CORZ | S 10b5-1 | 10,000 | $15.25 | $152,500 | 2,047,089 Direct | -0.49% | Disposed | 8.9% (price as of 2026-10-05) |
| March 31, 2026 | CORZ | F | 97,652 | $14.96 | $1,460,874 | 2,057,089 Direct | -4.53% | Disposed | 11.0% (price as of 2026-10-05) |
| March 31, 2026 | CORZ | A | 216,734 | · | · | 2,154,741 Direct | +11.18% | Acquired | (price as of 2026-10-05) |
| Dec. 31, 2025 | CORZ | F | 139,873 | $15.08 | $2,109,285 | 1,938,007 Direct | -6.73% | Disposed | 10.1% (price as of 2026-10-05) |
| Dec. 31, 2025 | CORZ | A | 55,758 | · | · | 2,077,880 Direct | +2.76% | Acquired | (price as of 2026-10-05) |
| Dec. 9, 2025 | CORZ | G | 20,000 | · | · | 517,133 Direct | -3.72% | Disposed | (price as of 2026-10-05) |
| Sept. 30, 2025 | CORZ | F | 8,228 | $17.94 | $147,610 | 2,021,428 Direct | -0.41% | Disposed | -7.5% (price as of 2026-10-05) |
| Aug. 15, 2025 | CORZ | F | 11,805 | $14.13 | $166,805 | 2,029,656 Direct | -0.58% | Disposed | 17.5% (price as of 2026-10-05) |
| July 1, 2025 | CORZ | F | 8,228 | $17.07 | $140,452 | 2,041,461 Direct | -0.40% | Disposed | -2.8% (price as of 2026-10-05) |
| June 25, 2025 | CORZ | S | 7,759 | $12.39 | $96,134 | 2,049,689 Direct | -0.38% | Disposed | 34.0% (price as of 2026-10-05) |
| June 4, 2025 | CORZ | S 10b5-1 | 50,000 | $12.31 | $615,500 | 2,050,102 Direct | -2.38% | Disposed | 34.8% (price as of 2026-10-05) |
| June 3, 2025 | CORZ | S | 60,000 | $11.33 | $679,800 | 2,100,102 Direct | -2.78% | Disposed | 46.5% (price as of 2026-10-05) |
| May 27, 2025 | CORZ | S | 50,000 | $11.23 | $561,500 | 2,160,102 Direct | -2.26% | Disposed | 47.8% (price as of 2026-10-05) |
| April 28, 2025 | CORZ | A | 194,600 | · | · | 2,210,102 Direct | +9.66% | Acquired | (price as of 2026-10-05) |
| April 1, 2025 | CORZ | S | 7,921 | $7.52 | $59,566 | 2,015,502 Direct | -0.39% | Disposed | 120.7% (price as of 2026-10-05) |
| Jan. 24, 2025 | CORZ | S | 25,277 | $16.24 | $410,498 | 2,023,423 Direct | -1.23% | Disposed | 2.2% (price as of 2026-10-05) |
| Jan. 3, 2025 | CORZ | S | 2,949 | $14.57 | $42,967 | 2,048,700 Direct | -0.14% | Disposed | 13.9% (price as of 2026-10-05) |
| Jan. 2, 2025 | CORZ | S | 129,861 | $14.24 | $1,849,221 | 2,051,649 Direct | -5.95% | Disposed | 16.6% (price as of 2026-10-05) |
| Dec. 31, 2024 | CORZ | A | 55,758 | · | · | 2,181,510 Direct | +2.62% | Acquired | (price as of 2026-10-05) |
| Dec. 12, 2024 | CORZ | X | 267,301 | $0.01 | $2,673 | 2,125,752 Direct | +14.38% | Acquired | 165900.0% (price as of 2026-10-05) |
| Dec. 12, 2024 | CORZ | G | 20,000 | · | · | 537,133 Direct | -3.59% | Disposed | (price as of 2026-10-05) |
| Dec. 12, 2024 | CORZ | X | 267,301 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2024 | CORZ | X | 196,977 | · | · | 267,301 Direct | -42.43% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2024 | CORZ | X | 196,977 | $0.01 | $1,970 | 1,858,451 Direct | +11.86% | Acquired | 165900.0% (price as of 2026-10-05) |
| Nov. 20, 2024 | CORZ | S | 25,000 | $17.10 | $427,500 | 1,661,474 Direct | -1.48% | Disposed | -2.9% (price as of 2026-10-05) |
| Aug. 16, 2024 | CORZ | S | 11,582 | $9.41 | $108,987 | 1,686,474 Direct | -0.68% | Disposed | 76.4% (price as of 2026-10-05) |
| July 19, 2024 | CORZ | A | 83,637 | · | · | 1,698,056 Direct | +5.18% | Acquired | (price as of 2026-10-05) |
| July 19, 2024 | CORZ | A | 250,909 | · | · | 1,614,419 Direct | +18.40% | Acquired | (price as of 2026-10-05) |
| July 19, 2024 | CORZ | A | 1,003,633 | · | · | 1,363,510 Direct | +278.88% | Acquired | (price as of 2026-10-05) |
| June 25, 2024 | CORZ | S | 7,321 | $9.39 | $68,744 | 359,877 Direct | -1.99% | Disposed | 76.8% (price as of 2026-10-05) |
| June 14, 2024 | CORZ | S | 26,230 | $9.90 | $259,677 | 367,198 Direct | -6.67% | Disposed | 67.7% (price as of 2026-10-05) |
| June 13, 2024 | CORZ | S | 3,770 | $9.99 | $37,662 | 393,428 Direct | -0.95% | Disposed | 66.2% (price as of 2026-10-05) |
| Feb. 22, 2024 | CORZ | F | 24,153 | $3.24 | $78,256 | 397,198 Direct | -5.73% | Disposed | 412.3% (price as of 2026-10-05) |
| Jan. 23, 2024 | CORZ | A | 464,278 | · | · | 464,278 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2024 | CORZ | A | 557,133 | · | · | 557,133 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2024 | CORZ | A | 51,347 | · | · | 421,351 Direct | +13.88% | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2024 | CORZ | A | 370,004 | · | · | 370,004 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2024 | CORZ | D | 3,700,040 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 23, 2024 | CORZ | A | 51,347 | · | · | 3,751,387 Direct | +1.39% | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2024 | CORZ | A | 3,700,040 | · | · | 3,700,040 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 23, 2024 | CORZ | D | 3,700,040 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 1, 2022 | CORZ | F | 13,119 | $0.14 | $1,837 | 3,700,040 Direct | -0.35% | Disposed | 11757.1% (price as of 2026-10-05) |
| Nov. 1, 2022 | CORZ | F | 13,119 | $0.18 | $2,361 | 3,713,159 Direct | -0.35% | Disposed | 9122.2% (price as of 2026-10-05) |
| Oct. 3, 2022 | CORZ | F | 13,119 | $1.37 | $17,973 | 3,726,278 Direct | -0.35% | Disposed | 1111.7% (price as of 2026-10-05) |
| Sept. 1, 2022 | CORZ | F | 13,119 | $2.12 | $27,812 | 3,739,397 Direct | -0.35% | Disposed | 683.0% (price as of 2026-10-05) |
| Aug. 24, 2022 | CORZ | F | 13,119 | $2.74 | $35,946 | 3,752,516 Direct | -0.35% | Disposed | 505.8% (price as of 2026-10-05) |
| Aug. 15, 2022 | CORZ | A | 1,200,000 | · | · | 3,765,635 Direct | +46.77% | Acquired | (price as of 2026-10-05) |
| July 1, 2022 | CORZ | F | 13,119 | $1.51 | $19,810 | 2,565,635 Direct | -0.51% | Disposed | 999.3% (price as of 2026-10-05) |
| June 24, 2022 | CORZ | F | 78,708 | $2.09 | $164,500 | 2,578,754 Direct | -2.96% | Disposed | 694.3% (price as of 2026-10-05) |
| June 13, 2022 | CORZ | F | 542,842 | $2.02 | $1,096,541 | 2,657,462 Direct | -16.96% | Disposed | 721.8% (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 |
|---|---|---|---|---|---|---|---|
| Sept. 9, 2026 | CORZ | Tranche 1 Warrants | Common Stock | $6.81 | Jan. 23, 2027 | 95,000 | Disposed |
| Dec. 9, 2025 | CORZ | Tranche 1 Warrants | Common Stock | $6.81 | Jan. 23, 2027 | 20,000 | Disposed |
| Dec. 12, 2024 | CORZ | Tranche 1 Warrants | Common Stock | $6.81 | Jan. 23, 2027 | 20,000 | Disposed |
| Dec. 12, 2024 | CORZ | Tranche 2 Warrants | Common Stock | $0.01 | Jan. 23, 2029 | 267,301 | Disposed |
| Dec. 5, 2024 | CORZ | Tranche 2 Warrants | Common Stock | $0.01 | Jan. 23, 2029 | 196,977 | Disposed |
| Jan. 23, 2024 | CORZ | Tranche 2 Warrants | Common Stock, par value $0.00001 per share | $0.01 | Jan. 23, 2029 | 464,278 | Acquired |
| Jan. 23, 2024 | CORZ | Tranche 1 Warrants | Common Stock, par value $0.00001 per share | $6.81 | Jan. 23, 2027 | 557,133 | Acquired |
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 |
|---|---|---|---|---|---|---|---|---|
| 2020 | $300,000 | · | · | · | · | · | · | $1,095,049 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.