John Webster Nurkin
Insider
First SEC filing: Sept. 29, 2015 · Latest: Sept. 29, 2015
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 1, 2024 | SPXC | F | 1,115 | $117.19 | $130,667 | 80,618 Direct | -1.36% | Disposed | 50.0% (price as of 2026-10-06) |
| Feb. 16, 2024 | SPXC | A | 1,777 | · | · | 84,731 Direct | +2.14% | Acquired | (price as of 2026-10-06) |
| Feb. 16, 2024 | SPXC | F | 2,998 | $109.57 | $328,491 | 81,733 Direct | -3.54% | Disposed | 60.5% (price as of 2026-10-06) |
| June 1, 2023 | SPXC | M | 7,757 | $12.85 | $99,677 | 95,953 Direct | +8.80% | Acquired | 1268.2% (price as of 2026-10-06) |
| June 1, 2023 | SPXC | M | 3,376 | $27.40 | $92,502 | 99,329 Direct | +3.52% | Acquired | 541.7% (price as of 2026-10-06) |
| June 1, 2023 | SPXC | S 10b5-1 | 6,492 | $76.56 | $497,028 | 92,837 Direct | -6.54% | Disposed | 129.6% (price as of 2026-10-06) |
| June 1, 2023 | SPXC | S 10b5-1 | 4,641 | $76.98 | $357,264 | 88,196 Direct | -5.00% | Disposed | 128.4% (price as of 2026-10-06) |
| June 1, 2023 | SPXC | M | 3,376 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| June 1, 2023 | SPXC | M | 7,757 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| April 3, 2023 | SPXC | M | 7,757 | $12.85 | $99,677 | 95,953 Direct | +8.80% | Acquired | 1268.2% (price as of 2026-10-06) |
| April 3, 2023 | SPXC | M | 3,374 | $27.40 | $92,448 | 99,327 Direct | +3.52% | Acquired | 541.7% (price as of 2026-10-06) |
| April 3, 2023 | SPXC | S 10b5-1 | 1,830 | $70.94 | $129,820 | 97,497 Direct | -1.84% | Disposed | 147.8% (price as of 2026-10-06) |
| April 3, 2023 | SPXC | S 10b5-1 | 8,901 | $71.52 | $636,600 | 88,596 Direct | -9.13% | Disposed | 145.8% (price as of 2026-10-06) |
| April 3, 2023 | SPXC | S 10b5-1 | 400 | $72.50 | $29,000 | 88,196 Direct | -0.45% | Disposed | 142.5% (price as of 2026-10-06) |
| April 3, 2023 | SPXC | M | 3,374 | · | · | 3,376 Direct | -49.99% | Disposed | (price as of 2026-10-06) |
| April 3, 2023 | SPXC | M | 7,757 | · | · | 7,757 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| March 1, 2023 | SPXC | A | 7,378 | · | · | 88,955 Direct | +9.04% | Acquired | (price as of 2026-10-06) |
| March 1, 2023 | SPXC | F | 364 | $70.44 | $25,640 | 88,591 Direct | -0.41% | Disposed | 149.6% (price as of 2026-10-06) |
| March 1, 2023 | SPXC | F | 395 | $70.44 | $27,824 | 88,196 Direct | -0.45% | Disposed | 149.6% (price as of 2026-10-06) |
| March 1, 2023 | SPXC | A | 5,671 | · | · | 5,671 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2023 | SPXC | A | 5,341 | · | · | 84,325 Direct | +6.76% | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2023 | SPXC | F | 2,361 | $73.56 | $173,675 | 81,964 Direct | -2.80% | Disposed | 139.0% (price as of 2026-10-06) |
| Feb. 20, 2023 | SPXC | F | 387 | $73.56 | $28,468 | 81,577 Direct | -0.47% | Disposed | 139.0% (price as of 2026-10-06) |
| Feb. 1, 2023 | SPXC | M | 7,757 | $12.85 | $99,677 | 86,741 Direct | +9.82% | Acquired | 1268.2% (price as of 2026-10-06) |
| Feb. 1, 2023 | SPXC | M | 3,374 | $27.40 | $92,448 | 90,115 Direct | +3.89% | Acquired | 541.7% (price as of 2026-10-06) |
| Feb. 1, 2023 | SPXC | S 10b5-1 | 7,757 | $74.90 | $580,999 | 82,358 Direct | -8.61% | Disposed | 134.7% (price as of 2026-10-06) |
| Feb. 1, 2023 | SPXC | S 10b5-1 | 3,374 | $74.89 | $252,679 | 78,984 Direct | -4.10% | Disposed | 134.8% (price as of 2026-10-06) |
| Feb. 1, 2023 | SPXC | M | 3,374 | · | · | 6,750 Direct | -33.33% | Disposed | (price as of 2026-10-06) |
| Feb. 1, 2023 | SPXC | M | 7,757 | · | · | 15,514 Direct | -33.33% | Disposed | (price as of 2026-10-06) |
| Dec. 1, 2022 | SPXC | M | 7,757 | $12.85 | $99,677 | 86,741 Direct | +9.82% | Acquired | 1268.2% (price as of 2026-10-06) |
| Dec. 1, 2022 | SPXC | M | 3,374 | $27.40 | $92,448 | 90,115 Direct | +3.89% | Acquired | 541.7% (price as of 2026-10-06) |
| Dec. 1, 2022 | SPXC | S 10b5-1 | 8,972 | $66.65 | $597,984 | 81,143 Direct | -9.96% | Disposed | 163.8% (price as of 2026-10-06) |
| Dec. 1, 2022 | SPXC | S 10b5-1 | 2,159 | $67.41 | $145,538 | 78,984 Direct | -2.66% | Disposed | 160.8% (price as of 2026-10-06) |
| Dec. 1, 2022 | SPXC | M | 7,757 | · | · | 23,271 Direct | -25.00% | Disposed | (price as of 2026-10-06) |
| Dec. 1, 2022 | SPXC | M | 3,374 | · | · | 10,124 Direct | -25.00% | Disposed | (price as of 2026-10-06) |
| March 1, 2022 | SPXC | A | 6,789 | · | · | 6,789 Direct | · | Acquired | (price as of 2026-10-06) |
| March 1, 2022 | SPXC | A | 8,040 | · | · | 78,984 Direct | +11.33% | Acquired | (price as of 2026-10-06) |
| March 1, 2022 | SPXC | F | 325 | $50.70 | $16,478 | 70,944 Direct | -0.46% | Disposed | 246.8% (price as of 2026-10-06) |
| Feb. 22, 2022 | SPXC | F | 345 | $52.01 | $17,943 | 71,269 Direct | -0.48% | Disposed | 238.1% (price as of 2026-10-06) |
| Feb. 22, 2022 | SPXC | F | 536 | $52.01 | $27,877 | 71,614 Direct | -0.74% | Disposed | 238.1% (price as of 2026-10-06) |
| Feb. 22, 2022 | SPXC | F | 4,400 | $52.01 | $228,844 | 72,150 Direct | -5.75% | Disposed | 238.1% (price as of 2026-10-06) |
| Feb. 22, 2022 | SPXC | F | 345 | $52.01 | $17,943 | 71,207 Direct | -0.48% | Disposed | 238.1% (price as of 2026-10-06) |
| Feb. 22, 2022 | SPXC | F | 536 | $52.01 | $27,877 | 71,552 Direct | -0.74% | Disposed | 238.1% (price as of 2026-10-06) |
| Feb. 22, 2022 | SPXC | F | 4,502 | $52.01 | $234,149 | 72,088 Direct | -5.88% | Disposed | 238.1% (price as of 2026-10-06) |
| Feb. 22, 2022 | SPXC | F | 586 | $56.03 | $32,834 | 67,231 Direct | -0.86% | Disposed | 213.8% (price as of 2026-10-06) |
| Feb. 21, 2022 | SPXC | A | 2,909 | · | · | 76,590 Direct | +3.95% | Acquired | (price as of 2026-10-06) |
| March 1, 2021 | SPXC | A | 6,365 | · | · | 6,365 Direct | · | Acquired | (price as of 2026-10-06) |
| March 1, 2021 | SPXC | A | 7,403 | · | · | 73,681 Direct | +11.17% | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2021 | SPXC | F | 373 | $56.03 | $20,899 | 66,278 Direct | -0.56% | Disposed | 213.8% (price as of 2026-10-06) |
| Feb. 22, 2021 | SPXC | F | 580 | $56.03 | $32,497 | 66,651 Direct | -0.86% | Disposed | 213.8% (price as of 2026-10-06) |
| Feb. 22, 2021 | SPXC | F | 2,614 | $56.03 | $146,462 | 67,817 Direct | -3.71% | Disposed | 213.8% (price as of 2026-10-06) |
| Feb. 22, 2021 | SPXC | A | 2,508 | · | · | 70,431 Direct | +3.69% | Acquired | (price as of 2026-10-06) |
| July 21, 2020 | SPXC | M | 18,408 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| July 21, 2020 | SPXC | S 10b5-1 | 18,408 | $42.18 | $776,449 | 68,373 Direct | -21.21% | Disposed | 316.8% (price as of 2026-10-06) |
| July 21, 2020 | SPXC | M | 18,408 | $12.36 | $227,523 | 86,781 Direct | +26.92% | Acquired | 1322.5% (price as of 2026-10-06) |
| May 27, 2020 | SPXC | M | 16,508 | · | · | 18,408 Direct | -47.28% | Disposed | (price as of 2026-10-06) |
| May 27, 2020 | SPXC | S 10b5-1 | 16,508 | $40.81 | $673,691 | 68,373 Direct | -19.45% | Disposed | 330.8% (price as of 2026-10-06) |
| May 27, 2020 | SPXC | M | 16,508 | $12.36 | $204,039 | 84,881 Direct | +24.14% | Acquired | 1322.5% (price as of 2026-10-06) |
| May 26, 2020 | SPXC | M | 1,900 | · | · | 34,916 Direct | -5.16% | Disposed | (price as of 2026-10-06) |
| May 26, 2020 | SPXC | S 10b5-1 | 1,900 | $40.06 | $76,114 | 68,373 Direct | -2.70% | Disposed | 338.9% (price as of 2026-10-06) |
| May 26, 2020 | SPXC | M | 1,900 | $12.36 | $23,484 | 70,273 Direct | +2.78% | Acquired | 1322.5% (price as of 2026-10-06) |
| March 3, 2020 | SPXC | M | 18,408 | · | · | 36,816 Direct | -33.33% | Disposed | (price as of 2026-10-06) |
| March 3, 2020 | SPXC | S 10b5-1 | 18,408 | $44.29 | $815,290 | 68,373 Direct | -21.21% | Disposed | 297.0% (price as of 2026-10-06) |
| March 3, 2020 | SPXC | M | 18,408 | $12.36 | $227,523 | 86,781 Direct | +26.92% | Acquired | 1322.5% (price as of 2026-10-06) |
| March 2, 2020 | SPXC | F | 621 | $41.93 | $26,039 | 68,373 Direct | -0.90% | Disposed | 319.3% (price as of 2026-10-06) |
| Feb. 24, 2020 | SPXC | F | 545 | $50.30 | $27,414 | 68,994 Direct | -0.78% | Disposed | 249.5% (price as of 2026-10-06) |
| Feb. 21, 2020 | SPXC | F | 3,406 | $50.09 | $170,607 | 69,539 Direct | -4.67% | Disposed | 251.0% (price as of 2026-10-06) |
| Feb. 21, 2020 | SPXC | A | 2,344 | · | · | 72,945 Direct | +3.32% | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2020 | SPXC | A | 7,527 | · | · | 7,527 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2020 | SPXC | A | 7,863 | · | · | 70,601 Direct | +12.53% | Acquired | (price as of 2026-10-06) |
| March 4, 2019 | SPXC | F | 1,472 | $36.48 | $53,699 | 62,738 Direct | -2.29% | Disposed | 382.0% (price as of 2026-10-06) |
| March 1, 2019 | SPXC | F | 667 | $36.36 | $24,252 | 64,210 Direct | -1.03% | Disposed | 383.6% (price as of 2026-10-06) |
| Feb. 22, 2019 | SPXC | F | 7,306 | $36.51 | $266,742 | 64,877 Direct | -10.12% | Disposed | 381.6% (price as of 2026-10-06) |
| Feb. 22, 2019 | SPXC | A | 5,171 | $36.51 | $188,793 | 72,183 Direct | +7.72% | Acquired | 381.6% (price as of 2026-10-06) |
| Feb. 21, 2019 | SPXC | A | 11,189 | · | · | 11,189 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2019 | SPXC | A | 12,222 | · | · | 67,012 Direct | +22.31% | Acquired | (price as of 2026-10-06) |
| Nov. 9, 2018 | SPXC | I | 17,811 | $29.37 | $523,109 | 21,674 Indirect | +461.07% | Acquired | 498.6% (price as of 2026-10-06) |
| Nov. 9, 2018 | SPXC | S | 16,800 | $29.08 | $488,544 | 54,790 Direct | -23.47% | Disposed | 504.6% (price as of 2026-10-06) |
| Oct. 15, 2018 | SPXC | F | 7,547 | $29.75 | $224,523 | 71,590 Direct | -9.54% | Disposed | 491.0% (price as of 2026-10-06) |
| Aug. 20, 2018 | SPXC | F | 1,285 | $34.63 | $44,500 | 79,137 Direct | -1.60% | Disposed | 407.7% (price as of 2026-10-06) |
| March 2, 2018 | SPXC | F | 1,026 | $30.81 | $31,611 | 80,422 Direct | -1.26% | Disposed | 470.7% (price as of 2026-10-06) |
| March 1, 2018 | SPXC | F | 462 | $31.23 | $14,428 | 81,448 Direct | -0.56% | Disposed | 463.0% (price as of 2026-10-06) |
| Feb. 22, 2018 | SPXC | A | 11,778 | · | · | 11,778 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2018 | SPXC | A | 8,232 | · | · | 81,910 Direct | +11.17% | Acquired | (price as of 2026-10-06) |
| Jan. 2, 2018 | SPXC | F | 1,532 | $31.39 | $48,089 | 73,678 Direct | -2.04% | Disposed | 460.1% (price as of 2026-10-06) |
| Aug. 21, 2017 | SPXC | F | 1,115 | $24.14 | $26,916 | 75,210 Direct | -1.46% | Disposed | 628.3% (price as of 2026-10-06) |
| March 2, 2017 | SPXC | F | 1,136 | $27.40 | $31,126 | 76,325 Direct | +1.51% | Acquired | 541.7% (price as of 2026-10-06) |
| March 1, 2017 | SPXC | A | 13,498 | · | · | 13,498 Direct | · | Acquired | (price as of 2026-10-06) |
| March 1, 2017 | SPXC | A | 9,374 | · | · | 77,461 Direct | +13.77% | Acquired | (price as of 2026-10-06) |
| Jan. 5, 2017 | SPXC | F | 1,096 | $23.72 | $25,997 | 68,087 Direct | -1.58% | Disposed | 641.2% (price as of 2026-10-06) |
| Jan. 5, 2017 | SPXC | D | 3,399 | · | · | 69,183 Direct | -4.68% | Disposed | (price as of 2026-10-06) |
| Jan. 3, 2017 | SPXC | F | 2,162 | $23.72 | $51,283 | 72,582 Direct | -2.89% | Disposed | 641.2% (price as of 2026-10-06) |
| Aug. 22, 2016 | SPXC | F | 1,123 | $18.62 | $20,910 | 74,744 Direct | -1.48% | Disposed | 844.3% (price as of 2026-10-06) |
| March 2, 2016 | SPXC | A | 31,028 | · | · | 31,028 Direct | · | Acquired | (price as of 2026-10-06) |
| March 2, 2016 | SPXC | A | 20,682 | · | · | 75,867 Direct | +37.48% | Acquired | (price as of 2026-10-06) |
| Jan. 6, 2016 | SPXC | F | 1,728 | $9.50 | $16,416 | 55,185 Direct | -3.04% | Disposed | 1750.7% (price as of 2026-10-06) |
| Jan. 6, 2016 | SPXC | D | 4,487 | · | · | 56,913 Direct | -7.31% | Disposed | (price as of 2026-10-06) |
| Jan. 4, 2016 | SPXC | F | 3,086 | $9.33 | $28,792 | 61,400 Direct | -4.79% | Disposed | 1784.5% (price as of 2026-10-06) |
| Oct. 13, 2015 | SPXC | A | 55,224 | · | · | 55,224 Direct | · | Acquired | (price as of 2026-10-06) |
| Oct. 13, 2015 | SPXC | A | 16,788 | · | · | 64,486 Direct | +35.20% | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| June 1, 2023 | SPXC | Employee stock option to purchase common stock | Common Stock | $27.40 | March 1, 2027 | 3,376 | Disposed |
| June 1, 2023 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.85 | March 2, 2026 | 7,757 | Disposed |
| April 3, 2023 | SPXC | Employee stock option to purchase common stock | Common Stock | $27.40 | March 1, 2027 | 3,374 | Disposed |
| April 3, 2023 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.85 | March 2, 2026 | 7,757 | Disposed |
| March 1, 2023 | SPXC | Employee stock option to purchase common stock | Common Stock | $71.93 | March 1, 2033 | 5,671 | Acquired |
| Feb. 1, 2023 | SPXC | Employee stock option to purchase common stock | Common Stock | $27.40 | March 1, 2027 | 3,374 | Disposed |
| Feb. 1, 2023 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.85 | March 2, 2026 | 7,757 | Disposed |
| Dec. 1, 2022 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.85 | March 2, 2026 | 7,757 | Disposed |
| Dec. 1, 2022 | SPXC | Employee stock option to purchase common stock | Common Stock | $27.40 | March 1, 2027 | 3,374 | Disposed |
| March 1, 2022 | SPXC | Employee stock option to purchase common stock | Common Stock | $48.97 | March 1, 2032 | 6,789 | Acquired |
| March 1, 2021 | SPXC | Employee stock option to purchase common stock | Common Stock | $58.34 | March 1, 2031 | 6,365 | Acquired |
| July 21, 2020 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.36 | Oct. 13, 2025 | 18,408 | Disposed |
| May 27, 2020 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.36 | Oct. 13, 2025 | 16,508 | Disposed |
| May 26, 2020 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.36 | Oct. 13, 2025 | 1,900 | Disposed |
| March 3, 2020 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.36 | Oct. 13, 2025 | 18,408 | Disposed |
| Feb. 20, 2020 | SPXC | Employee stock option to purchase common stock | Common Stock | $50.09 | Feb. 20, 2030 | 7,527 | Acquired |
| Feb. 21, 2019 | SPXC | Employee stock option to purchase common stock | Common Stock | $36.51 | Feb. 21, 2029 | 11,189 | Acquired |
| Feb. 22, 2018 | SPXC | Employee stock option to purchase common stock | Common Stock | $32.69 | Feb. 22, 2028 | 11,778 | Acquired |
| March 1, 2017 | SPXC | Employee stock option to purchase common stock | Common Stock | $27.40 | March 1, 2027 | 13,498 | Acquired |
| March 2, 2016 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.85 | March 2, 2026 | 31,028 | Acquired |
| Oct. 13, 2015 | SPXC | Employee stock option to purchase common stock | Common Stock | $12.36 | Oct. 13, 2025 | 55,224 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 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 |
|---|---|---|---|---|---|---|---|---|
| 2020 | $391,921 | $62,825 | $403,084 | $130,970 | $213,587 | · | $30,542 | $1,232,929 |
| 2019 | $379,482 | · | $499,350 | $148,926 | $461,545 | · | $21,918 | $1,511,221 |
| 2018 | $366,253 | · | $281,164 | $137,331 | $366,681 | · | $43,735 | $1,195,164 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.